CLINICIANS

Charles F. Mundhenk, Ph.D.

Charles F. Mundhenk, Ph.D. is a licensed psychologist with over 35 years  of experience providing psychotherapy to adults and couples. He has  extensive experience with marital issues, has been a co-presenter of a  monthly.  psycho-educational program for divorcing parents with dependent  children. He is also trained in Divorce Mediation and has been trained as a Coach in  Collaborative Law. Other areas of  specialization include adult ADD, alcohol abuse issues as it affects  families and individuals.  He can be reached at 781-383-0860 ext.2 or at docc1950@gmail.com.

Selma Ingber, LICSW

Selma Ingber, LICSW, is a clinical social worker with over 40 years of  experience providing psychotherapy for individuals, couples and  families. Selma has been in private practice in Cohasset for over 30  years. Ms. Ingber has been a certified parent education provider for  the Probate Court, co-presenting monthly classes in Hanover for divorcing parents of minor children. In addition to a  general psychotherapy practice, she offers parents support and guidance  regarding a broad range of child and adolescent developmental, emotional  and behavioral issues. Ms. Ingber also has a specialty in management of anxiety and stress utilizing hypnosis and relaxation techniques.

David M. Shumaker, Ph.D.

David Shumaker, Ph.D. is a licensed psychologist who has been with  MarVista since 2004. He has a diverse practice, seeing adults, couples,  children and adolescents. David earned a BA from Harvard University, a  Ph.D. in clinical-community psychology from the University of South  Carolina, and two advanced post-doctoral degrees in pediatric forensic psychology from Harvard medical School/Massachusetts General Hospital.  In addition to his private practice, David is an associate professor in the psychology department at Suffolk University where he serves as the director of the master's in mental health counseling program.  He has published extensively in the areas of existential-integrative therapy. David can be reached at 781-974-8988 or davidmshumaker@gmail.com.

Robert S. Williams Jr., Ed.D

Robert Williams has been a Licensed Psychologist since 1982. Currently,  in addition to general practice, he specializes in the treatment of  psychoactive substance use disorders, holding the APA-CPP, as well as  LADC I. He has special interest in the co-morbidity between trauma and  addiction. For approximately a decade, he volunteered with the American  Red Cross as a Disaster Mental Health Specialist, and among other  crises, was active in the aftermath of 911 in Boston and then New York.  Locally, he served as Assistant Officer during the Worcester Cold  Storage Fire in 1999. For more than a decade he was a Psychologist for  the Region I DMORT Team, under the Department of Homeland Security, and  Health and Human Services. Under that department he was dispatched as  the Mental Health Team Leader for a two week period with the “Katrina  Assistance Project” at a shelter in Monroe, Louisiana under SAMSHA. With  10 years of State service he retired in 2005 after serving as  Psychologist II with UMass Medical School, now maintaining a private  practice.

Dawn M. Capelli, LICSW

Dawn M. Capelli, LICSW, is a clinical social worker with over 25 years  of experience providing psychotherapy for individuals and families. She  works with children, adolescents and parents who are adjusting to life  changes and challenges. She is certified in the DIR (Developmental,  Individual Difference, Relationship based) Model, which is an approach  tailored to the unique strengths and needs of children with  developmental disabilities, including autism spectrum disorders. She  also has expertise in trauma, anxiety and depression and is trained in  EMDR.

Jacqueline E. Tieso, LICSW

 Jacqueline E. Tieso, LICSW, is a South Shore native and licensed clinical social worker with over 10 years of experience in medical social work and case management.  Having observed a missing component in the medical model of the healthcare system, she now works with older adults, geriatric folks, individuals coping with chronic illness, caregiver stress and bereavement.  Her educational background includes a Bachelor of Science degree from Bridgewater State University and Master's Degree in Social Work from Salem State University.  Jacqueline Tieso can be reached at jtieso223@gmail.com.  or 781 383 0860 ext. 5

Amy O'Boyle, LMHC

 Amy O'Boyle, LMHC, is a licensed mental health counselor, passionate about helping others overcome challenges to reach their fullest potential  Amy received her undergraduate degree in Psychology from the University of Massachusetts Amherst in 2002, followed by a Master's degree in Criminal Justice from Suffolk University in 2004.  After working within the criminal population in an investigative role for nearly ten years, she switched career goals to further study the root causes of behavior and to therapeutically help individuals experiencing challenges in different areas of life.


Amy received a Master's degree in Counseling Psychology from Northeastern University in 2014 and has experience working with clients of all ages, including children and adolescents.  She has experience working within the early intervention system, and is knowledgeable about children and families of children with special needs and developmental delays, including Autism Spectrum Disorders and Attention Deficit Disorders.  Amy also has extensive experience working with individuals facing issues of depression, anxiety, grief and loss, stress management and emotional regulation, among other health psychology issues.


Amy subscribes to a holistic and integrative approach to therapy.  She is person-centered and strength-focused, and utilizes a nonjudgmental, compassionate, warm and sensitive approach with all of her clients.  Amy O'Boyle can be reached at counseling@amyoboyle.com or 

(781) 437-7710.

Frieda Sullivan, LMHC

Frieda Sullivan, LMHC, is a licensed mental health counselor with 20  years of experience providing psychotherapy to adults who suffer from anxiety and depression. She has a special interest in treating trauma,  using EMDR to ameliorate the symptoms caused by trauma, either recent or from early childhood, both large and seemingly small. In  addition, Frieda uses various techniques such as cognitive behavioral  therapy, expressive therapy, meditation and mindfulness. Frieda has a  deep respect for the relationship between client and therapist and for the client’s natural urge towards healing. She also employees Yogic breathing for depression and anxiety.  Frieda has offices in Cohasset and  Boston and can be reached at 617-913-9634 or at frieda.sullivan@gmail.com.

Amy Gubellini, LICSW

 Amy Gubellini, LICSW, is a licensed independent clinical social worker with diverse experience working with adolescents, teens and adults across multiple settings including correctional facilities, courts, psychiatric hospitals and private and public schools.  Amy specializes in working with clients struggling with trauma, anxiety, depression and co-occurring disorders.  Amy has extensive experience working with at risk and proven risk youth, previously having worked as a clinician with the SMART Team, a division of the Justice Resource Institute, providing community-based therapeutic services to court involved and incarcerated youth.  Currently, Amy provides therapeutic and academic services to middle and high school students with social and emotional challenges through the C.O.A.S.T. Program within Duxbury Public Schools.


Amy received her undergraduate interdisciplinary degree in English and Sociology from Emmanuel College and her Master of Social Work degree from Bridgewater State University.  Amy utilizes multiple interventions and frameworks such as Cognitive Behavioral Therapy, Solutions Focused Therapy and Trauma Informed Care.  Amy is passionate about the mind-body connection and often incorporates mindfulness and holistic strategies in her work with clients. Amy can be reached at 781 923 0200 or amygubellini@gmail.com

Stephen MacCormack, M.S., SLP-CCC, Ed.S

Stephen MacCormack is an Educational Specialist, a Reading Specialist and a Speech- Language Pathologist.  He provides complete testing to identify dyslexia and other language based learning disabilities in students of all ages as well as in adults.  Mr. MacCormack will develop a full set of recommendations based on your child's profile of strengths and weaknesses as a learner.  With his understanding of differentiated teaching approaches, he will help you to develop an instructional plan which will drive your child's unique school based vision.  Mr MacCormack will also support you interactions with school staff and IEP teams in the short term and over the course of your child's school career. 


 Stephen can be reached at 781 799 0783 or linguistic.foundations@gmail.com. For more information visit his website  www.linguisticfoundations.com

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