Our staff provide different areas of specialization and expertise covering a broad range of problems, treatment styles, and modalities. We are able to provide coordinated treatment involving different specialists when needed, such as dietician/nutritionist, child and adult psychopharmacologists.


Peter Musliner, MD, Director and co-founder of Boundaries Therapy Center, has evolved a diagnostic and treatment approach that emphasizes a recognition of the interplay between environmental, personal and biological factors. Trained as both a child and adult psychiatrist, and grounded in both traditional psychodynamic and symptom-focused, time-limited therapies, he has increasingly made use of the rapidly expanding knowledge about brain circuitry/chemistry and its role in psychiatric disorders. Psychopharmacologic evaluations and treatment management has become a large part of what he offers to his patients, both adult and adolescents. He works in conjunction with the other therapists at Boundaries to provide medication evaluations and consults for their clients in addition to the ongoing treatment.

Stephanie Tournet, MD, is a graduate of the University of Pennsylvania, where she majored in Biological Basis of Behavior. She proceeded to Boston University for a Masters in Medical Sciences, followed by a Masters of Public Health. She received MD degree from Boston University and completed her adult psychiatry residency at the Harvard Longwood Psychiatric Residency Training Program. She completed a child psychiatric fellowship at the Cambridge Health Alliance. She has a faculty appointment through Harvard Medical School and teaching and supervisory responsibilities at Cambridge Hospital. She is board certified in Adult and Child Psychiatry. Dr. Tournet specializes in treating children, adults and families who are experiencing emotional, behavioral and relationship difficulties. She treats mood and anxiety disorders, autistic spectrum disorders, ADHD, learning disorders, eating disorders and substance abuse. Her areas of expertise include prescription drug therapy, cognitive-behavioral therapy, supportive therapy, individual psychodynamic therapy, play therapy, and parent guidance. She works in conjunction with the clinical therapists at Boundaries in supporting their clients with medication evaluations and consults.

Laurie Gray, MD, received her degree from University of Pennsylvania School of Medicine where she went on to complete a General Psychiatry Residency. She then completed a Child and Adolescent Psychiatry Fellowship at Cambridge Health Alliance, Cambridge MA. At Boundaries she conducts comprehensive initial evaluations and assessments and treats a variety of diagnoses. She is familiar with the full range of psychotropic medications. Dr. Gray has a special expertise in bereavement and CBT for mood and anxiety disorders.

Dee Shaligram, MD, is a Harvard educated and Board certified Adult and Child Psychiatrist. She performs comprehensive psychiatric consultations and offers medication management and psychotherapy for children and adults. She has over 15 years of experience with a wide variety of diagnoses and is on the teaching faculty at Harvard Medical School. Her expertise includes anxiety, mood disorders, ADHD, developmental disorders and mental health issues associated with physical illness with a particular interest in resilience building (through exercise, music and meditation), life transitions, parent guidance and cultural issues. She offers strength-based, patient-focused care with an emphasis on prevention in a warm and private outpatient setting. She is accepting new referrals.

Alison Sheridan, MD, graduated from Boston University School of Medicine and completed her psychiatric residency at Tripler Army Medical Center in Honolulu, Hawaii.  She then served as a US Army psychiatrist for 7 years, leaving active service in 1991 after the first gulf war.  Dr. Sheridan has nearly 35 years of clinical experience in diverse settings, including McLean Hospital Alcohol and Drug Abuse program, Bedford VA Medical Center Returning Veterans Program and PTSD team, and in Wellington, New Zealand as a consultant as well as 25 years of part time private practice in Concord, MA.  She is board certified in Adult and Addiction Psychiatry, and has expertise in addictive illness and trauma.  At Boundaries she provides diagnostic evaluations, consultation and treatment of adult patients with a wide variety of diagnoses.

Psychiatric Nurse Practitioner

Laura Shapiro, APRN, is a board certified family psychiatric nurse practitioner who practices across the life span. She brings 15 years of community health and school based health experience to her practice. Laura has a BSN from Simmons College, a MEd from Bridgewater State College and a MS from Northeastern University. Her primary areas of expertise are with children and adolescents with school phobia and difficulty functioning in the school environment, as well as treating ADHD, bipolar disorders, and mood disorders including depression and anxiety. Laura is committed to integrated health care and open communication with therapists, primary care providers, and other disciplines as needed. She firmly believes that a team approach to mental health care ensures high quality treatment.


Christhild Uhl, Ph.D., is a licensed psychologist with over 20 years experience providing psychotherapy for people experiencing a wide array of psychological problems. Her areas of expertise are in affective disorders including depression and post-traumatic stress disorder as well as working with clients suffering from the aftermath of traumatic brain injury, stroke or chronic medical conditions. She provides short and long term psychotherapy to adults and adolescents. Dr. Uhl is a clinical instructor of Psychology at Harvard Medical School and a Clinical Associate at Mclean Hospital

Madeline Wagner, Ph.D, is a licensed psychologist and has been doing clinical work with adults and adolescents for more than 20 years. In addition to providing assessments and psychotherapy, she has taught and supervised clinicians-in-training in both public and private settings. Her particular areas of experience include working with couples, treating addictions and compulsions of all sorts, working through histories of traumatic experiences which effect functioning and ADHD in adults. Dr. Wagner works with clients experiencing problems with anxiety and mood, issues of self-regulation, efficacy, conflict and bewilderment. She is skilled in both brief and longer term treatment forms. 

Sarah Michaud, PsyD, CADC, has been the coordinator of the alcohol and drug recovery program at Boundaries since 2001. She treats adults, couples and families with addiction issues and has a special interest in women’s recovery groups, evaluations and relapse prevention. Dr. Michaud works closely with the families touched by substance abuse in helping them support the addict’s recovery as well as their own. Her previous work was at Mclean Hospital in Belmont, MA working in both the residential and inpatient units, and developed a residential treatment program for substance abuse and dual diagnosis in Ashburnham MA. Sarah is known for her direct, humorous, friendly, personable approach. She is highly familiar with 12 step recovery programs and other alternative treatments.

Clinical Social Workers

Joan Carroll-Cronin, LICSW, provides therapy for adolescents, adults and couples using both brief and long-term treatment methods. She works with clients who are at risk for disordered eating or are in recovery from an eating disorder, chemical dependency, and other behavioral problems. She also works with clients facing challenges such as divorce, single parenting, treatment and recovery from cancer and bereavement. In addition, she works with athletes and visual and performing artists.  Mind-body techniques and meditation may play a role in her work with clients.

Anne Cole, LICSW, is an experienced psychotherapist with many years of clinical work with adults, couples and children. She works in helping parents understand and manage their children’s emotion and behaviors. She has experience in helping clients with grief and loss. Anne has a Master’s degree from Smith College for Social Work and a three year Fellowship Certificate from The Boston Institute for Psychotherapy. Her treatment approach borrows from different schools of therapy to fit the needs and personalities of her clients.

Renee Deyoe, LICSW, is a licensed clinical social worker with a background in art therapy. Renee has extensive experience with children of all ages.  Renee worked in residential and public schools and is well versed in special education concerns. She was a staff member at McLean Hospital for 10 years. She treats children with a variety of conditions, including anxiety, depression, ADHD/ADD and family stressors/conflicts. Renee also works with adults around life transitions, parent counseling, and self-image issues. Her approach bridges psychodynamic and cognitive behavioral treatments.

Bethel Gilbert, LICSW, is a licensed clinical social worker for over 25 years and has spent many years working in adoption, both international and domestic. Her specialty is child and family work, as well as couples and adults. Her approach is family-oriented, using a blend of cognitive-behavioral, education, support and play therapy. As a trained yoga teacher, Bethel is comfortable using breathing and meditation techniques with both children and adults. Her areas of expertise include working with anxiety, depression, the cultural and identity issues related to adoption, and a range of childhood and family problems, such as school, peer, behavioral problems, ADD/ADHD, divorce and somatic issues.

Karen Ingerman, LICSW, provides therapy for children, adolescents, adults and families . She earned her Master’s degree in clinical social work from Boston University and has many years of experience working in a variety of settings, including medical, school and private practice. Karen uses a wide range of  approaches to assist her clients with issues of anxiety, depression, relationship difficulties, parenting and grief and loss.

Linda Onuska, LICSW, is a clinical social worker with extensive experience as a therapist in community mental health. She is a graduate of Simmons School of Social Work and treats adults of all ages in individual, couples and family therapies. Her approach is eclectic, based on the individual needs and goals of the client. Her theoretical and philosophical orientation is that the challenges of life are best met with a combination of insight, humor and practical skills.

Sheryl Tattelman, LICSW, is a licensed clinical social worker who has been in practice for 30 years. She received her training at Boston College of Social Work and at the Cambridge Family Institute. Sheryl works with adults, adolescents and families. She is experienced in treating a variety of conditions including, depression, anxiety, loss, life transitions, and a wide range of adolescent issues, including school difficulties and parenting/family concerns. 

Licensed Mental Health Counselors

Helen Frey, MAEd, LMFT, LMHC, is the Managing Director of Boundaries Therapy Center and as such, works in the dual capacity of senior clinician and Intake Coordinator. She manages the daily functioning of the private group practice of 20 full and part time therapists. She has many years of experience as an adolescent, adult and family therapist. Her approaches are geared to fostering problem-solving techniques and overall capacities of her clients to adjust to situational and life stage issues. She works with couples using time-effective methods to focus on marital, parenting and extended family issues. She provides treatment for family members involved in every stage of the divorce process.

Veneita Burden, RN, LMHC, has many years of experience in physical and mental health, as a registered nurse and a licensed mental health worker. Her expertise is in the self-management of chronic pain and stress/anxiety and stress related medical conditions. Her treatment approach is solution focused, using cognitive and behavioral and psycho-educational approaches.

Lynn Giles, MA, LMHC, has extensive experience in substance abuse and addiction treatment. She has been on a state wide Steering Committee for relapse prevention housing program and has conducted substance abuse and mental health evaluations to both state and federal courts. She was selected as a member of the Advisory Board for the University of Massachusetts Graduate Psychology Program.  She is trained in Motivational Interviewing and a proponent of positive psychology and solution-focused therapy. She provides individual, group and couples therapy to adults and adolescents. 

Annemarie Sampson, LMHC is a licensed mental health counselor and received her degree in Counseling Psychology from Framingham State University. She supports children, adolescents, adults and families with concerns related to depression, anxiety, trauma, self-harm, difficulty managing emotions and parenting issues.  She utilizes a solution-focused, cognitive-behavioral and mindfulness based approach which emphasizes stress management strategies, problem solving and emotional regulation skills, as well as building and strengthening relationships.

Isabelle Thourot, LMHC  is a licensed mental health counselor with experience as a therapist in community mental health.  She works with couples, adults and young adults, and is well versed in a range of therapies from cognitive behavioral to existential and solution focused approaches.  She is experienced in working with grief, depression, anxiety, life transitions, divorce, domestic violence, infertility, and academic as well as vocational issues.  Isabelle is a graduate of Lesley University with a Master's degree in Clinical Mental Health and specialization in Holistic therapy.


Deb Konkle, MS, RD, CLT, IFNCP, is a nutritionist with extensive experience providing individual nutrition counseling.  Blood testing for food sensitivities or nutrient insufficiencies, or breath testing for small bacteria overgrowth are commonly ordered to direct treatment.  Areas of expertise include weight regulation, food sensitivities, eating disorders, gastrointestinal problems, cardiovascular health and nutritional supplementation. Her counseling style integrates both traditional and holistic nutrition principles, with an emphasis on balancing lifestyle. Nutrition counseling is often covered by health insurance.


Our Staff

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Boundaries Therapy Center

Business Hours
Monday through Friday
8:30 a.m. - 5:00 p.m.

Evening and Saturday hours available

Boundaries Therapy Center
518 Great Rd, Acton, MA 01720
Phone:   978-263-4878  

Fax:   978-635-0386