The People Behind Your Care
A multidisciplinary team providing structured mental health and substance use treatment across all levels of care
A Coordinated Clinical Team
Square Medical Group brings together psychiatrists, nurse practitioners, therapists, and clinical staff working across outpatient and residential programs.
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Care is delivered through collaboration, not isolated services.
Clinically Guided Recovery. Humanely Supported.
Psychiatrists and nurse practitioners providing medical and psychiatric care
Founders
Natalie Lender
Partner and Chief Medical Officer
Specialty:
Psychiatry, Psychopharmacology, Co-Occurring Disorders, TMS
Experience:
17+ Years
Founder of Square Medical Group, Natalie has focused on expanding access to integrated mental health and substance use treatment across Massachusetts since launching the practice in 2008.
Jeffrey Gershman
Partner and Chief Executive Officer
Specialty:
Healthcare Operations, Behavioral Health Leadership, Strategic Growth
Experience:
17+ Years
Jeffrey oversees the organization’s strategic growth and day-to-day operations, helping expand access to high-quality community-based behavioral healthcare across Massachusetts.
MDs
Kenneth Adelman
Psychiatrist
Specialty:
Psychopharmacology, Cognitive Neuroscience, Personalized Treatment Planning, TMS
Experience:
25+ Years
Dr. Adelman is a board-certified psychiatrist with extensive clinical and academic experience. He provides psychiatric care, buprenorphine treatment, and TMS services.
Cynthia Carter
Psychiatrist
Specialty:
Addiction Treatment, Mood Disorders, Anxiety Disorders, Psychopharmacology, Women’s Mental Health
Experience:
35+ Years
Dr. Carter provides evidence-based psychiatric care with expertise in addiction treatment, mood disorders, anxiety disorders, and TMS.
Gregory Labun
Psychiatrist
Specialty:
Psychopharmacology, Addiction Psychiatry, Forensic Psychiatry
Experience:
Extensive Clinical Experience
Dr. Labun combines clinical care and academic leadership as a board-certified psychiatrist and Assistant Professor of Psychiatry at Tufts University School of Medicine.
Alan Fisch
Psychiatrist
Specialty:
Addiction Medicine, Psychopharmacology, Mental Health Treatment
Experience:
Decades of Clinical Experience
Dr. Fisch is a board-certified psychiatrist and addiction medicine specialist who provides individualized treatment focused on long-term mental health and recovery outcomes.
Alexander Kozlovsky
Psychiatrist
Specialty:
Adult Psychiatry, Psychopharmacology, Behavioral Health Leadership
Experience:
Extensive Clinical Experience
David provides clinical leadership across Square Medical Group and brings decades of experience as a clinician, supervisor, executive leader, consultant, and educator.
David Selden
Clinical Director
Specialty:
Mental Health, Substance Use Disorders, Co-Occurring Disorders
Experience:
​40+ Years
Dr. Fisch is a board-certified psychiatrist and addiction medicine specialist who provides individualized treatment focused on long-term mental health and recovery outcomes.
Nurse Practitioners
Anna Coulstring
CNP
Specialty:
Addiction Medicine, Medication Management, Substance Use Disorders
Experience:
Extensive Clinical Experience
Anna provides therapeutic support and medication management for individuals with substance use disorders, including buprenorphine, Vivitrol, and Sublocade treatment.
Jay Hedrington
CNP
Specialty:
Psychiatric Care, Personalized Treatment Planning, Mental Health Support
Experience:
Extensive Clinical Experience
Jay provides compassionate, patient-centered psychiatric care and works collaboratively with individuals to develop personalized treatment plans.
Amelia Amato
CNP
Specialty:
Addiction Medicine, Co-Occurring Disorders, Medication Assisted Treatment (MAT)
Experience:
Extensive Clinical Experience
Amelia provides medication management, MAT services, and supportive psychiatric care through a collaborative and patient-centered approach.
Lauryn Hebert
CNP
Specialty:
Anxiety Disorders, Geriatric Psychiatry, Holistic Mental Health Care
Experience:
Extensive Clinical Experience
Lauryn provides medication management and therapeutic support through telehealth while helping patients develop treatment plans that support long-term wellbeing.
Marlyn Jules
CNP
Specialty:
Substance Use Disorders, Psychiatric Care, Medication Management, Recovery Support
Experience:
20+ Years
Marlyn specializes in supporting individuals with substance use disorders and brings experience in nursing leadership, education, and quality.
Tanya Gershman
CNP
Specialty:
Addiction Medicine, Co-Occurring Disorders, Medication Management
Experience:
Experience Across Multiple Treatment Settings
Tanya combines medication management with therapeutic support and provides care through both in-person and telehealth appointments, supporting individuals in behavioral health needs.
Martin Frazee
CNP
Specialty:
Psychiatric Care, Personalized Treatment Planning, Health Disparities
Experience:
Extensive Clinical Experience
Martin provides comprehensive psychiatric care and is committed to delivering thoughtful, patient-focused treatment tailored to each individual’s needs.
Clinician
Patricia Larson
LICSW
Specialty:
Anxiety, Depression, Substance Use Disorders, Bereavement, Schizophrenia
Experience:
30+ Years
Patricia provides compassionate, individualized therapy and specializes in helping adults manage a wide range of mental health and substance use concerns.
Pearl Morgovsky
Therapist
Specialty:
Individual Therapy, Family Therapy, Couples Therapy, EFT, DBT
Experience:
​Extensive Clinical Experience
Pearl supports individuals, couples, and families using evidence-based therapeutic approaches while helping clients navigate emotional, relational, and life challenges.
Care That Meets People Where They Are
Square Medical Group was built to provide care that adapts to real people, real situations, and real recovery paths.
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Not everyone enters treatment the same way.​
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Not everyone progresses the same way.
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Care is structured to support individuals at different stages - whether they are seeking help for the first time, returning after relapse, or managing long-term conditions.
Clinically Guided Recovery. Humanely Supported.
Treatment combines clinical structure with flexibility based on individual needs
care plans are personalized
progress is monitored and adjusted
services are coordinated across providers
Start with a Clinical Evaluation
The next step is determining the appropriate level of care