Psychiatrist | 28+ years experience

Dr. John Scott Martin-joy, M.D.

875 Massachusetts Ave Ste 22, Cambridge, Massachusetts, 02139-3070

About Dr. John Scott Martin-joy

Dr. John Scott Martin-joy is a psychiatrist based in Cambridge, Massachusetts with 28 years of experience in Psychiatry. He completed his graduation from University Of Massachusetts Medical School in 1998. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. John Scott Martin-joy is 210262 for Psychiatry in Massachusetts. His current practice location is 875 Massachusetts Ave Ste 22, Cambridge. Patients can contact him at 617-417-6902 or can fax him at 315-821-8567. Dr. John Scott Martin-joy, M.D., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1023169141.

Dr. John Scott Martin-joy specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Dr. John Scott Martin-joy's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. John Scott Martin-joy
Specialization Psychiatry
Credentials M.D.
Accepts Medicare Assignment Yes
Experience 28+ years
Medical School Attended University Of Massachusetts Medical School
Graduation Year 1998
Gender Male
Practice Address: 875 Massachusetts Ave Ste 22,
Cambridge, MA - 02139-3070
Fax 315-821-8567

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 5597750976
Enrollment ID I20040415001060
NPI Number1023169141
NPI Enumeration Date: 16 Jan, 2007
NPI Last Update On: 29 Oct, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. John Scott Martin-joy are as mentioned below.

License NumberSpecializationStateStatus
210262Psychiatry MassachusettsPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. John Scott Martin-joy
875 Massachusetts Ave Ste 22,
Cambridge, MA - 02139-3070
Phone: 617-417-6902
Fax: 315-821-8567

Book an Appointment with Dr. John Scott Martin-joy

To schedule an appointment, contact Dr. John Scott Martin-joy at 875 Massachusetts Ave Ste 22, Cambridge, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. John Scott Martin-joy:

Dr. John Scott Martin-joy is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Dr. John Scott Martin-joy completed his education (M.D.) from University Of Massachusetts Medical School in 1998.

Dr. John Scott Martin-joy has approximately 28 years of experience in Psychiatry.

Yes, Dr. John Scott Martin-joy accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. John Scott Martin-joy is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. John Scott Martin-joy practices at 875 Massachusetts Ave Ste 22, Cambridge, Massachusetts, 02139-3070.

To schedule an appointment with Dr. John Scott Martin-joy, please contact the office at 617-417-6902.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.