Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Peter J Weinstein, MD

Individual provider Gastroenterology Physician · NPI 1467410308

Peter J Weinstein, MD is a Gastroenterology in Springfield, Massachusetts. Graduated from Columbia University College of Physicians and Surgeons in 1992, 34 years ago. Practices with Riverbend Medical Group Inc, a 224-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
34
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

299 Carew St Ste 419
Springfield, MA 01104-2301
Phone: (413) 737-7951
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 159667 (MA)

Record details

NPI number1467410308
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 2, 2006
Last updated in NPPESJuly 13, 2026
Mailing address299 Carew St, Ste 419, Springfield, MA 01104-2301

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1992 (34 years in practice)
Group practice Riverbend Medical Group Inc — 224 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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