Sharon has owned, directed and worked as a psychiatric clinician for Collaborative Psychiatric Associates since September 1995.  As an psychiatric mental health practice owner she has developed an innovative patient centered program that has provided a wide milieu of therapies and methods that keep pace with vast science and evidence based practice in the psychiatric, mental and behavioral health.    She directs a growing staff of clinicians and offices centered in various centers (Abington, Bala and Willow Grove) in Montgomery County, as well as actively engaging in expanding services directly to Patient Centered Medical Homes (primary care offices).   As a psychiatric mental health nurse practitioner, she presents a balanced, holistic, and evidence based practice approach to stabilizing psychiatric issues.  Focusing on symptoms and understanding of underlying medical issues she assess and adapts patient needs through variety of psychopharmacology agents, vitamins, holistic modalities (exercise, mindfulness meditation, psychotherapy, etc.) and coordinates care with primary care providers.  She has been an clinical educator for Drexel and Penn School of Nursing, as well as frequent presenter at national conferences focusing on integrated mental health and clinical practice issues.

BSN: American University
MSN: Child and Adolescent Psychiatric Mental Health Nursing, University of Pennsylvania
Post Masters: Family Psychiatric Mental Health Nurse Practitioner, University of Pennsylvania
Marriage and Family Therapy: Family Institute of Philadelphia

1997: Lillian Shultz Brenner Alumni Award for Innovative Clinical Practice, University of Pennsylvania School of Nursing
2007: Expert in Clinical Practice, Alumni Award University of Pennsylvania School of Nursing
2015: American Psychiatric Nurses Association Innovative Practice Award


Sudha Jairaj, MD

CCA of Abington

Dr. Jairaj is a psychiatrist with 43 years of practice experience.  She received her medical degree from B.J. Medical College – University of Prune.  After medical school, she completed her residency at Einstein Medical Center in Philadelphia, where she is still affiliated. Dr. Jairaj works with therapists at Collaborative Care to help diagnose and treat mental, emotional, and behavioral disorders. Her practices cater to adults with a variety of issues including anxiety disorders, mood disorders, psychotic disorders, personality disorders, obsessive-compulsive disorder (OCD), posttraumatic-stress disorder (PTSD), and impulse-control disorders.

Richard Yudell, MD

CCA of Bala Cynwyd

Dr. Richard Yudell is a licensed psychiatrist with 41 years of experience. He received his medical degree from Universita di Bologna Facolta di Medicina e Chirurgia in in Bologna, Italy. After medical school, he completed his residency at Albert Einstein Medical Center in Philadelphia, Pennsylvania and is currently affiliated with Friends Hospital in Philadelphia, Pennsylvania. Dr. Yudell works with therapists at Collaborative Care to help diagnose and treat mental, emotional, and behavioral disorders. His practice caters to teens and adults with a variety of issues including anxiety disorders, mood disorders, psychotic disorders, personality disorders, Attention Deficit Hyperactivity Disorder (ADHD), Attention Deficit Disorder (ADD), obsessive-compulsive disorder (OCD), posttraumatic-stress disorder (PTSD), and impulse-control disorders.

Psychiatric Nurse Practitioners



CCA of Abington, Willow Grove, Bala Cynwyd & Harleysville

As practice owner and director, Sharon's focus is on a holistic and evidenced base approach to treating teens, adults, seniors, couples and families with complex mental health issues, couples issues, and/or medical issues.  Working collaboratively with family systems, psychiatrists, and primary care providers, Sharon approaches the issues of treatment by incorporating a whole system approach. Motivating patients to overcome obstacles to recovery from psychiatric and medical illnesses lead to the development of a pneumonic called MINDFUL CARE, where patients learn balance their lives through a collaborative treatment plan. 

Tom Roarty, MSN, PMHNP, CRNP

CCA of Willow Grove & Abington

Tom Roarty is a psychiatric mental health nurse practitioner at Collaborative Care.  He graduated with his Bachelors of Arts in Mathematics and Computer Science from LaSalle University, before continuing to Indiana University of Pennsylvania and receiving his Masters of Arts in Physics.  Tom then transitioned to Drexel University in Philadelphia, where he earned his Bachelor's of Science in Nursing and then his Masters of Psychiatric Nursing and Mental Health. Tom works with adults and adolescents ages 14 and older.  He provides expertise to clients suffering a range of mental illnesses – including depression, anxiety, post traumatic stress disorder (PTSD), social anxiety disorder, phobias, and compulsive disorders.  He offers individuals medication management services that complement practices and strategies worked on during sessions with Collaborative Care's therapists.  This approach helps clients achieve overall mental and physical wellness.

Kathleen Ryan Kuntz, DNP, CRNP, FNP, FPMH-NP
CCA of Harleysville
Dr. Kathleen Ryan Kuntz is a nurse practitioner, dual certifications as psychiatric mental health practitioner. She holds additional certifications in rehabilitation, case management, and life care planning. An experienced rehabilitation nurse specializes in chronic medical and psychiatric illnesses. She has more than 35 years experience working with individuals diagnosed with physical and developmental disabilities and chronic health conditions. Her treatment across the lifespan of mental health conditions include depression, anxiety, PTSD, bipolar disorders, ADHD, OCD, also considering those with co-morbid health conditions. Dr.Kuntz provides treatment of mental health conditions while collaborating with primary care providers to address the health care needs of the whole person.


Armand DiYenno DSW,  LCSW

Clinical Director

CCA of Harleysville

Armand DiYenno holds a Doctorate degree from Rutgers University in New Brunswick, New Jersey, and a master's degree in Social Work from Temple University in Philadelphia.  He is also a graduate of the Modern Psychoanalytic Institute; studied at New York University, and has taught at various colleges and universities.
Armand excels in the assessment and treatment of complex cases.  His expertise includes helping clients with problems that develop in relationships, friendships, marriages and jobs that appear to reappear on a regular basis. Specialities  include working with  people transitioning from one phase of life to another, including divorce transitions; LGBTQ individuals and couples; panic; grief and loss; the demands and opportunities faced by university students, and the challenges faced by those over 55

Billie Lee Orenbuch, LCSW

CCA of Bala Cynwyd

Billie Lee Orenbuch is a licensed clinical social worker that works with adults, seniors, and couples. She graduated with her Bachelor’s degree in Psychology and Philosophy from Rutgers University before earning her Master’s degree in Clinical Social Work from Widener University.  She has over 17 years experience as a therapist and counselor. Billie Lee works effectively with all forms of anxiety, depressive, and personality disorders.  She also counsels couples with marital issues, individuals going through the stages of loss and grief, and those having work related problems.  As a DBT Therapist, she does occasionally provide group therapy.Billie Lee uses a client-centered approach in her practices.  She utilizes Eye Movement Desensitization and Reprocessing Therapy (EMDR), Dialectical Behavioral Therapy (DBT), and positive psychology as taught in Authentic Happiness by Martin Seligman, PhD.

Kathleen Nash, MFT, LMFT

CCA of Harleysville

Kathleen Nash is a Licensed Marriage and Family Therapist who received a Master of Family Therapy degree from Drexel University. She also has an MS in Education from Bloomsburg University. She works with children, teens, couples, college students, and their families. Kathleen is an Autism Spectrum Disorder expert who has presented seminars regionally and nationally focused on strengthen relationships between parents, siblings, the extended families of children with ASD.  As a Contextual Family Therapist, her clinical approach centers on healing individuals’ pain by emphasizing fairness, through the consideration of relational ethics.  The approach to therapy enhances trust, accountability and loyalty within relationships. Kathleen also has experience as an adjunct professor in the Couple and Family Therapy program at Drexel University and at Montgomery County Community

Denise Rageis, RN, PHHCNS-BC

CCA of Harleysville

Denise is an Advanced Practice Nurse with her Certification in Psychiatric and Mental Health Nursing. She attended West Chester University for her Bachelor’s Degree and the University of Maryland for her Master’s degree.  She has worked in the mental health field for almost 30 years. Denise welcomes clients who are struggling with depression, anxiety, relationship difficulties, poor self-esteem, and chronic pain. She will often complement strategies worked on during sessions with homework to assist the client in meeting their therapeutic goals. Denise’s practice uses a comprehensive approach focusing on the mind and body.  Specific modalities include Cognitive Behavioral Therapy (CBT), mindfulness therapy, and solutions-oriented therapy.

Donna L. Lauck DNSc, APRN, BC

CCA of Abington

Dr. Donna Lauck is an Advanced Practice Nurse with her Doctorate in Nursing Science. She has had 25 years of experience in the field of medicine. She received both her Bachelor’s degrees, as well as her Master’s in Nursing, from the University of Pennsylvania.  She has also contributed to multiple articles for the International Journal of Nursing Knowledge. Dr. Lauck specializes in treating adults suffering a range of mental and physical illnesses.  She will often compliment practices and strategies worked on during sessions with homework, in order to help clients achieve their therapeutic goals. Dr. Lauck’s practice maintains an overall “eclectic” approach.  She utilizes a variety of techniques, including both Cognitive Behavioral Therapy (CBT) and energy psychology.  She also applies alternative therapies such as Reiki, Integrated Energy Therapy, and Clinical Hypnosis.

Diane DeMarco, Ph.D
CCA of Bala Cynwyd

Diane DeMarco is a licensed psychologist with over 25 years experience working with adults and older adolescents. She received her bachelors in psychology from Temple University, her masters in psychology and her doctorate in clinical psychology from the American University in Washington, DC. She specializes in the treatment of anxiety disorders including panic disorder, generalized anxiety disorder and OCD, as well as depression and life adjustment issues. She is a Cognitive Behaviorist relying heavily on behavioral techniques and cognitive restructuring to affect behavior and mood change. Pragmatic and direct, Dr. DeMarco helps clients make the changes they wish to make in their lives.

Elva DeGeorge, LCSW

CCA of Willow Grove

Elva DeGeorge is a licensed clinical social worker that works with both children and adults.  She received her Bachelor’s degree from  University of Delaware - majoring in Individual and Family Studies minoring in Psychology.  She then continued her education at Temple University, obtaining a Master’s degree in Clinical Social Work.  Post graduation, Elva worked in mental health settings and co-occurring programs within hospitals, residential programs, partial hospital programs, and outpatient therapy programs. Elva works with children, adolescents, adults, and families.  Her approach is “strengths based,” utilizing motivational interviewing techniques and a combination of Cognitive Behavioral Therapies (CBT) and solution-focused therapies.

Barbara Holder, Psy.D
CCA of Willow Grove

Dr Barbara Holder is a family individual and group therapist as well as a clinical psychologistwith a variety of specialties. Dr. Holder enjoys working with people of diverse backgrounds, sexual orientations and mental health concerns.  She believes in a therapeutic partnership between client and clinician that promotes healing.

Ellyn DeGuida, LCSW
CCA of Bala Cynwyd

Ellyn is a licensed clinical social worker who works part-time as a psychotherapist at Collaborative Care.  She received her Bachelor's of Science from Boston University in Massachusetts before continuing on to the University of Pennsylvania, where she received her Master's in Social Work. Ellyn works with individually with adolescents and adults who are experiencing symptoms of depression and anxiety.  She also works with parenting issues, as well as marital and relationship issues.  Ellyn utilizes Cognitive Behavioral Therapy (CBT) and Psychodynamic techniques with her clients.


Elbert Saddler, Ph.D

CCA of Harleysville

Dr. Elbert Saddler is a licensed psychologist with over 30 years of professional experience in counseling and therapy.  He graduated with honors from Temple University, where he received his doctorate in Counseling Psychology. Dr. Saddler works individually with adolescents and adults, and also offers couples and family therapy.  He helps couples address relationship concerns, providing clients the opportunity to establish clarity and focus.  His practices focus on improving personal challenges, refining strengths, and building interpersonal relationships. In addition to traditional counseling, Dr. Saddler specializes in diagnosis and treatment of Attention Deficit Hyperfocus Disorder (ADHD), Attention Deficit Disorder (ADD), Obsessive Compulsive Disorder (OCD), Oppositional Defiant Disorder (ODD), and anger management.

Kathryn Beccaria, LMFT

CCA of Harleysville

Kathryn Beccaria is a graduate of Temple University and Chestnut Hill College.  Kathryn is a Licensed Marriage and Family Therapist.  A typical therapeutic session can be individual, couples, or family in a safe, accepting, open and welcoming, environment.   Kathryn has experience working with clients and their families with ASD diagnosis, schizophrenia, bipolar personality disorder, as well as anxiety and depression.  Client’s receiving therapy and their families can expect an inclusive and family systems approach to help navigate difficult issues such as stress from school or work, divorce or separation, custody issues, adoption. Kathryn is happy to assist in your path of recovery using a goal oriented approach.  She wants her clients to feel that they are in a safe, and comfortable environment.  As a professional, she would offer unconditional positive regard to her clients while helping them navigate through difficult life situations.  Kathryn believe in a systems approach and am open to seeing couples, and whole families when appropriate.


Ernie Glazer, LCSW
Clinical Director

CCA of Willow Grove

Ernie Glazer is a Licensed Clinical Social Worker with over 25 years experience in the field.  He received his Masters Degree in Social work from The University of Pennsylvania,  and began his specialized training in Marriage and Family Therapy at the Child Guidance Clinic. He continued his training and separately earned a post-graduate Certificate in Marriage and Family Therapy, eventually becoming  a Clinical Member and Approved Supervisor of the American Association for Marriage and Family Therapy. He has written, presented and published on a variety of healthy family life cycle issues. During his career, he worked with a wide range of presenting problems including members of the Adoption Triangle, attachment disorders, dissociative disorders, trauma, anxiety, depression, oppositional disorders, ADD/ADHD and families with members with Autistic Spectrum Disorder.

Ernie headed his own practice, The Center for Family Development before leaving to join Collaborative Care. Here he specializes in working with families, families with adolescents, marital and couples issues with a special interest in the preservation of family. He is also knowledgeable in substance abuse and recovery issues. He primarily  uses an integration model combining psycho-dynamic with family systems in a highly directive, solution focused treatment methodology allowing him to work with individuals, couples, families, and groups. As a clinical director, Ernie provides supervision and training to clinicians and the lay public  and continues to offer workshops and seminars on a variety of topics but with a primary focus on families with teenage members and couples with relationship and communication difficulties.

Laurie Baker, LCSW

CCA of Willow Grove

Laurie Baker is a licensed clinical social worker who works with adults, adolescents age 14 and up, couples and families. She received her master's degree in Clinical Social Work from Widener University, then completed the intensive 3-year postgraduate program at The Philadelphia Child & Family Therapy Training Center. Laurie has experience in a variety of settings. She has provided individual, group and family therapy in residential, partial-hospitalization and intensive-outpatient programs, as well as family-based services in homes and schools. She helps individuals and their families to cope with depression, anxiety, bipolar disorder, anger, low self-esteem, grief and trauma. She specializes in couples’ and family therapy for a wide range of relationship and parenting issues. Laurie teaches clients to utilize their own personal strengths and reach their goals using Cognitive Behavioral Therapy (CBT), narrative, contextual, and solution-focused therapies, mindfulness, relaxation, and many other proven treatment methods

Laura Michaels, LPC

CCA of Willow Grove

Laura Michaels is a licensed professional counselor who achieved her B.S. in Psychology from Penn State University and her M.A. in Counseling from Southwestern College of Santa Fe, NM. While in grad school, she also earned Certification in Grief Counseling, Death Education and Hospice while volunteering to co-facilitate grief and loss groups for children, teens, & adults. Laura has worked in residential, mobile, outpatient and intensive outpatient settings utilizing varied therapeutic approaches spanning a range of talk and experiential techniques. Laura utilizes a person-centered foundation of empathy and reflective listening, and takes a holistic perspective to support the utilization of clients’ existing strengths as well as development of new skills to overcome present challenges. She specializes in treatment of loss & grief, mood disorders, life transitions, chronic illness, and trauma. Laura favors varied evidence-based strategies to support clients in their growth, including Motivational Interviewing, Mindfulness, Cognitive-Behavioral, Solution-Focused, and other talk-based and experiential interventions, adjusting to the preferences presented by each client. Providing psychoeducation as warranted, regarding symptoms, and treatment, is also a strategy that Laura utilizes to empower clients in their achievement of therapeutic goals.

Linda Massa, LCSW
CCA of Willow Grove
Linda Massa is a licensed clinical social worker with over 20 years of professional clinical experience.  She earned her Master's Degree in Social Work from Temple University in Philadelphia, Pennsylvania and also has additional training in marriage and family therapy. Linda works with adolescents and adults who are suffering from a variety of issues including depression, stress and anxiety, and life transitions.  When working with couples and family systems, Linda focuses on improving dysfunctional communication between individuals, examining past negative messages that impact these communication patterns and developing more effective interaction methods. Linda also has a past medical background as a nurse, which enables her to understand the relationship between the physical illness and emotional impact of psychological disorders.

Lyn Rairdon, LCSW

CCA of Harleysvile

Lyn Rairdon is a licensed Clinical social worker with a Master's in Social Science from Bryn Mawr College. She has experience working at inpatient and outpatient facilities, as well as in higher education counseling services. Lyn specializes in working with individuals ages 15 and up.  An eclectic therapeutic approach is utilized combining Psychodynamic, Cognitive-Behavioral, and Gestalt Therapies. This allows clients the space to explore current issues, past influences, and future implications. Areas of specialty include, depression, anxiety, relationship/dating issues, trauma, bipolar disorder, life transitions, stress, and body image and self esteem issues.

Mary Martha Johnson, MSN, RN, PMHCNS-BC

CCA of Bala Cynwyd

Mary Martha is a Board Certified Psychiatric Clinical Nurse Specialist with a diverse background in acute inpatient Psychiatric treatment, Military Nursing and outpatient mental health. She received her Bachelor's in Nursing from the College of St. Teresa in Winona, Minnesota and her Master's in Nursing from the University of Pennsylvania in Philadelphia. Mary Martha works with adolescents, adults, couples and seniors, utilizing a therapeutic approach from the Contextual Family Theory model. She works with individuals suffering from mood and anxiety disorders, trauma disorders, grief and loss issues, marital and relationship issues, chronic illness and end of life issues. Mary Martha also specializes in Sand Tray Therapy, Trauma Work and Mindfulness Stress Reduction Therapies, drawing from a wide range of therapeutic approaches to diagnose and treat clients.

Melissa Rogel, LMFT

CCA of Bala Cynwyd

Melissa Rogel is a Licensed Marriage and Family Therapist who is experienced in working with individuals, couples, and families to address a wide range of issues including anxiety, depression, relational conflict, parenting, grief and loss, mood management, and self-esteem. Melissa has over 10 years of experience in working with individuals on the Autism spectrum as well as a strong background in addressing childhood trauma and supporting children and families within foster, kinship and adoptive care systems. She approaches therapy through a relational lens, with the belief that our past and present relationships greatly impact our well-being and growth, and draws from a rich treatment background of dialectical behavioral therapy, cognitive behavioral therapy, and narrative, mindfulness, and person-centered approaches.

Patricia Woods, LPC

CCA of Bala Cynwyd

Patricia Woods is a Licensed Professional Counselor who brings 22 years of experience working with children, teens, adults and families. She currently sees adults, ages 18 and older, in the       Bala Cynwyd office. Patricia works with clients around depression, anxiety, stress, life transitions, self-esteem, relationship, and weight management concerns. She works with her clients to understand, process and move through issues preventing growth, increase awareness of their thoughts and emotions, and learn skills to regulate emotions and step away from self-defeating thoughts. Patricia has a holistic approach, with a background in yoga and mindfulness, often integrating body awareness and relaxation skills in the session. She received her Master’s in Clinical Mental Health Counseling from Rivier University in New Hampshire.

Robert (Bob) Hoffman, LCSW

CCA of Abington

Bob Hoffman is a licensed clinical social worker from the Bryn Mawr school of Social Work and Social Research and has almost 20 years experience providing therapy to individuals, families and couples. He specializes working with people with mood, anxiety and thought disorders, ADHD, parenting, anger management, trauma and relationship issues. Bob uses an eclectic approach, drawing from cognitive behavioral therapy, objection relations therapy and psychodynamic therapy.


Amanda Viner, Psy.D

CCA of Bala Cynwyd

Dr. Amanda Viner is a licensed psychologist who works with adults of all ages. She received her Doctorate of Psychology from Philadelphia College of Osteopathic Medicine and has a strong background in health psychology and evidenced-based practices. Dr. Viner integrates Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), and Acceptance and Commitment Therapy (ACT) in her work with clients. Her style is very warm, compassionate, and direct. Her areas of specialty include working with individuals with chronic illnesses, adjustment and identity issues in the university population, mood disorders, anxiety disorders, women’s health issues, borderline personality disorder, self-injury, and chronic suicidality. She works with each client individually to set goals, develop the skills to meet those goals, and ultimately live a more meaningful and fulfilling life.


Takako Suzuki, Ph.D

CCA of Bala Cynwyd & Willow Grove

Dr. Suzuki is a licensed psychologist with over 30 years of experience.  She received her doctorate degree from Temple University. Dr. Suzuki specializes in treating adults including geriatric population with stress, generalized and social anxiety, phobias, Obsessive Compulsive Disorder (OCD), depression,  mood swings, grief, and relationship issues.  She utilizes a combination of Cognitive Based Therapy (CBT) and solution-focused approaches to build personal strengths, coping mechanisms, and problem solving skills that can be translated into everyday life circumstances. Emotional processing is critical to resolve underlying issues. As a bilingual psychologist (Japanese and English), Dr. Suzuki treats issues that arise from various cultural concerns such as immigration, adjusting to new environment and societal norms, interracial and ethnic relationships, and language barriers.

Sylvia Russianoff, JD, MS, LPC
CCA of Bala Cynwyd

Sylvia Russianoff is a Licensed Professional Counselor in the Bala Cynwyd office experienced in working with children, adolescents, adults and families. She sees children age 10+, adolescents, young adults, adults and families. She has a warm, compassionate and honest approach and strives to create an accepting non-judgmental environment where clients feel safe to explore areas of their psychological life which cause distress or limit their happiness and achieve the growth and change that they seek. Sylvia views the therapeutic relationship as the most important aspect of therapy and believes that this connection allows for growth, healing and lasting changes to be made. She works collaboratively with her clients throughout the process to set goals and tailor the treatment to each person’s unique needs and personal values.

Sylvia uses approaches based in empathy and evidence informed by Dialectical Behavior Therapy, Cognitive Behavior Therapy, mindfulness, family systems, trauma informed, person centered and insight oriented therapies to support clients in their growth. She has extensive experience helping clients process and come to terms with past trauma while addressing difficulties commonly associated with it including low self esteem, shame, depression and self-injurious behaviors. She also assists families to work through difficult relationship dynamics and develop more effective ways of interacting and specializes in supporting parents in navigating the challenges of parenting. This may include assisting parents in understanding how their childhood experiences may influence their parenting.

Other areas of specialty include mood issues, emotion regulation, anxiety, ADHD, relationship issues, life transitions, adjustment issues, grief and loss. Sylvia has a special interest in working with adolescents and young adults to gain insight into themselves and reach their full potential as they manage the challenges of moving toward independence. With her systems approach to treatment, Sylvia can include families in her work with adolescents and young adults if desired by the client to support open communication and increase support. Sylvia is dedicated to her work with all of her clients and feels honored to collaborate with them for the purpose of improving their lives.

Sharon Yerger, LPC

CCA of Harleysville

Sharon Yerger is a Licensed Professional Counselor with a Masters Degree in Clinical Counseling in Psychology from La Salle University and earned her Certificate in Gerontology from Gwynedd-Mercy College. She also has acquired additional training in Dialectical Behavioral Therapy (DBT), Certified Tobacco Treatment Specialist (CTTS).

Sharon specializes in individual and group therapeutic approaches for adults to identify coping skills using DBT, CBT, and Motivational Interventions (MI). Her clinical engagements include: Depression, Anxiety, ADHD, Bi Polar, and utilizes positive coping skills of self empowerment, core mindfulness skills for emotional regulation, distress tolerance, and interpersonal effectiveness. She is currently running DBT and Depression groups in the Harleysville location, as well as seeing individual clients.

Joy Rosenthal, LCSW

CCA of Bala Cynwyd

is a licensed clinical social worker who has been working in the mental health field over 30 years. She graduated from the University of Pennsylvania with a Bachelors in Sociology and Master’s in Social Work from the National Catholic School of Social Work, Catholic University in Washington, DC.
Joy specializes in depression, anxiety, stress issues, trauma related disorders, grief and working with persons in recovery from drug use, alcohol and eating disorders. She often includes family members in the therapeutic process, utilizing Dialectical Behavioral Therapy (DBT), Cognitive Behavioral Therapy (CBT), Gestalt Therapy and solutions-oriented therapy for ages 9 through the Medicare years.