Psychiatrist | 40+ years experience

Jacob C Holzer, M.D.

Westborough State Hospital, 288 Lyman St, Westborough, Massachusetts, 01581

About Jacob C Holzer

Jacob C Holzer is a psychiatrist based in Westborough, Massachusetts with 40 years of experience in Psychiatry. He completed his graduation from Tufts University School Of Medicine in 1986. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Jacob C Holzer is 74258 for Psychiatry in Massachusetts. His current practice location is Westborough State Hospital, 288 Lyman St, Westborough. Patients can contact him at 508-616-2525. Jacob C Holzer, M.D., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1144235433.

Jacob C Holzer 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

Jacob C Holzer'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 Jacob C Holzer
Specialization Psychiatry
Credentials M.D.
Accepts Medicare Assignment Yes
Experience 40+ years
Medical School Attended Tufts University School Of Medicine
Graduation Year 1986
Gender Male
Practice Address: Westborough State Hospital, 288 Lyman St
Westborough, MA - 01581

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 8224020599
Enrollment ID I20040330000985
NPI Number1144235433
NPI Enumeration Date: 29 Jul, 2006
NPI Last Update On: 08 Jul, 2007

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 Jacob C Holzer are as mentioned below.

License NumberSpecializationStateStatus
74258Psychiatry 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 Jacob C Holzer is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Massachusetts General Physicians Organization Inc (2466365820)2854
The Mclean Hospital Corporation (9436040961)136

Mailing Address

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

Jacob C Holzer
Westborough State Hospital, 288 Lyman St
Westborough, MA - 01581
Phone: 508-616-2525

Book an Appointment with Jacob C Holzer

To schedule an appointment, contact Jacob C Holzer at Westborough State Hospital, 288 Lyman St, Westborough, Massachusetts or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Jacob C Holzer:

Jacob C Holzer 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.

Jacob C Holzer completed his education (M.D.) from Tufts University School Of Medicine in 1986.

Jacob C Holzer has approximately 40 years of experience in Psychiatry.

Yes, Jacob C Holzer accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Jacob C Holzer 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.

Jacob C Holzer practices at Westborough State Hospital, 288 Lyman St, Westborough, Massachusetts, 01581.

To schedule an appointment with Jacob C Holzer, please contact the office at 508-616-2525.

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