Psychiatrist | Addiction Medicine Psychiatry | 44+ years experience

Mr. Mohamad Amjad Bahnassi, M.D.

Behavioral Healthcare Services, 435 Shrewsbury Street, Worcester, Massachusetts, 01604-1689

About Mr. Mohamad Amjad Bahnassi

Mr. Mohamad Amjad Bahnassi is a psychiatrist based in Worcester, Massachusetts with 44 years of experience in Addiction Medicine Psychiatry. He completed his graduation in 1982. He is also affiliated with hospitals like He may accept the Medicare-approved amount. Patients may be billed for more than the Medicare deductible and coinsurance. Active license number of Mr. Mohamad Amjad Bahnassi is 59555 for Psychiatry in Massachusetts. His current practice location is Behavioral Healthcare Services, 435 Shrewsbury Street, Worcester. Patients can contact him at 508-753-5554 or can fax him at 508-752-7245. Mr. Mohamad Amjad Bahnassi, M.D., specializes in Addiction Medicine Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1487754974.

Mr. Mohamad Amjad Bahnassi focuses on the evaluation, diagnosis, and treatment of people who have one or more disorders related to addictions like illegal drugs, alcohol, and prescription medication and other substances.

Practice Information

Mr. Mohamad Amjad Bahnassi'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 Mr. Mohamad Amjad Bahnassi
Specialization Addiction Medicine Psychiatry
Credentials M.D.
Accepts Medicare Assignment May Accept
Gender Male
Practice Address: Behavioral Healthcare Services, 435 Shrewsbury Street
Worcester, MA - 01604-1689
Fax 508-752-7245

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 3971550518
Enrollment ID I20050405001191
NPI Number1487754974
NPI Enumeration Date: 24 Sep, 2006
NPI Last Update On: 16 Jun, 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 Mr. Mohamad Amjad Bahnassi are as mentioned below.

License NumberSpecializationStateStatus
59555Psychiatry MassachusettsPrimary
59555Addiction Medicine Psychiatry MassachusettsSecondary

Hospital Affiliation

Doctors are affiliated to many hospitals whom they worked with in the past or are presently working with. One doctor can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) StateHospital Type
(220019)Southbridge, MAAcute Care Hospital

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 Mr. Mohamad Amjad Bahnassi is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Behavioral Healthcare Services (3779818828)17

Other Medical Identifiers

Other professional identifiers associated with Mr. Mohamad Amjad Bahnassi such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
J07208OtherMassachusettsBCBS OF MASSACHUSETTS
280650OtherHEALTHSOURCE CMHC
220864OtherHARVARD PILGRIM
110045495AMedicaidMassachusetts
984940OtherNETWORK HEALTH
260028312OtherRAILROAD MEDICARE
3032639MedicaidMassachusetts
719978OtherTUFTS HEALTH PLAN

Mailing Address

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

Mr. Mohamad Amjad Bahnassi
435 Shrewsbury Street,
Worcester, MA - 01604-1689
Phone: 508-753-5554
Fax: 508-752-7245

Book an Appointment with Mr. Mohamad Amjad Bahnassi

To schedule an appointment, contact Mr. Mohamad Amjad Bahnassi at Behavioral Healthcare Services, 435 Shrewsbury Street, Worcester, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mr. Mohamad Amjad Bahnassi:

Mr. Mohamad Amjad Bahnassi 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.

Mr. Mohamad Amjad Bahnassi has approximately 44 years of experience in Psychiatry.

Mr. Mohamad Amjad Bahnassi may accept Medicare assignment. Please contact the provider's office directly to verify Medicare participation and coverage details.

Yes, Mr. Mohamad Amjad Bahnassi 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.

Mr. Mohamad Amjad Bahnassi practices at Behavioral Healthcare Services, 435 Shrewsbury Street, Worcester, Massachusetts, 01604-1689.

To schedule an appointment with Mr. Mohamad Amjad Bahnassi, please contact the office at 508-753-5554.

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