Psychiatrist

Dr. James Mark Greenblatt, M.D

9 Hope Ave Ste 500, Walden Behavioral Care, Waltham, Massachusetts, 02453-2751

About Dr. James Mark Greenblatt

Dr. James Mark Greenblatt is a psychiatrist based in Waltham, Massachusetts who is specialized in Psychiatry. Active license number of Dr. James Mark Greenblatt is 70333 for Psychiatry in Massachusetts. His current practice location is 9 Hope Ave Ste 500, Walden Behavioral Care, Waltham. Patients can contact him at 781-647-0066 or can fax him at 781-899-4905. Dr. James Mark Greenblatt, M.D, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1790817575.

Dr. James Mark Greenblatt 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. James Mark Greenblatt'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. James Mark Greenblatt
Specialization Psychiatry
Credentials M.D
Gender Male
Practice Address: 9 Hope Ave Ste 500, Walden Behavioral Care
Waltham, MA - 02453-2751
Fax 781-899-4905

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.

NPI Number1790817575
NPI Enumeration Date: 09 Mar, 2007
NPI Last Update On: 16 Mar, 2016

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. James Mark Greenblatt are as mentioned below.

License NumberSpecializationStateStatus
70333Psychiatry MassachusettsPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. James Mark Greenblatt such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
70333OtherMassachusettsLICENSE
RX2645OtherMassachusettsMEDICARE

Mailing Address

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

Dr. James Mark Greenblatt
9 Hope Ave, Ste 500
Waltham, MA - 02453-2751
Phone: 781-647-2901
Fax: 781-647-6753

Book an Appointment with Dr. James Mark Greenblatt

To schedule an appointment, contact Dr. James Mark Greenblatt at 9 Hope Ave Ste 500, Walden Behavioral Care, Waltham, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. James Mark Greenblatt:

Dr. James Mark Greenblatt 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.

Yes, Dr. James Mark Greenblatt 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. James Mark Greenblatt practices at 9 Hope Ave Ste 500, Walden Behavioral Care, Waltham, Massachusetts, 02453-2751.

To schedule an appointment with Dr. James Mark Greenblatt, please contact the office at 781-647-0066.

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