Psychiatrist | 24+ years experience

Dr. Marcus W. Tjia, MD

230 Worcester St, Wellesley, Massachusetts, 02481-5420

About Dr. Marcus W. Tjia

Dr. Marcus W. Tjia is a psychiatrist based in Wellesley, Massachusetts with 24 years of experience in Psychiatry. He completed his graduation from Icahn School Of Medicine At Mount Sinai in 2002. 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. Marcus W. Tjia is 230945 for Psychiatry in Massachusetts. His current practice location is 230 Worcester St, Wellesley. Patients can contact him at 781-431-5270 or can fax him at 781-431-5535. Dr. Marcus W. Tjia, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1376605089.

Dr. Marcus W. Tjia 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. Marcus W. Tjia'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. Marcus W. Tjia
Specialization Psychiatry
Credentials MD
Accepts Medicare Assignment Yes
Experience 24+ years
Medical School Attended Icahn School Of Medicine At Mount Sinai
Graduation Year 2002
Gender Male
Practice Address: 230 Worcester St,
Wellesley, MA - 02481-5420
Fax 781-431-5535

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 2961502075
Enrollment ID I20070702000575
NPI Number1376605089
NPI Enumeration Date: 16 Dec, 2006
NPI Last Update On: 08 Mar, 2021

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. Marcus W. Tjia are as mentioned below.

License NumberSpecializationStateStatus
230945Psychiatry MassachusettsPrimary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Marcus W. Tjia is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Atrius Health Inc (4789588641)1035

Mailing Address

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

Dr. Marcus W. Tjia
230 Worcester St,
Wellesley, MA - 02481-5420
Phone: 781-431-5270
Fax: 781-431-5535

Book an Appointment with Dr. Marcus W. Tjia

To schedule an appointment, contact Dr. Marcus W. Tjia at 230 Worcester St, Wellesley, Massachusetts or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Marcus W. Tjia:

Dr. Marcus W. Tjia 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. Marcus W. Tjia completed his education (MD) from Icahn School Of Medicine At Mount Sinai in 2002.

Dr. Marcus W. Tjia has approximately 24 years of experience in Psychiatry.

Yes, Dr. Marcus W. Tjia accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Marcus W. Tjia 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. Marcus W. Tjia practices at 230 Worcester St, Wellesley, Massachusetts, 02481-5420.

To schedule an appointment with Dr. Marcus W. Tjia, please contact the office at 781-431-5270.

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