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

Richard M Zweig, MD

Individual provider Internal Medicine Physician · NPI 1477548451

Richard M Zweig, MD is an Internal Medicine in Bristol, Connecticut. Graduated from State University of New York at Buffalo School of Medicine in 1976, 50 years ago. Practices with Rehabilitation Associates Inc, a 532-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
50
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
CT
In the registry since
2005
Specialties on file
2
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

25 Collins Rd
Bristol, CT 06010-3893
Phone: (860) 314-6000
Fax: (860) 314-6005
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 022652 (CT)
Infectious Disease Physician Taxonomy 207RI0200X · Licence 022652 (CT)

Record details

NPI number1477548451
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 15, 2005
Last updated in NPPESJune 2, 2026
Certification dateJune 2, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1976 (50 years in practice)
Group practice Rehabilitation Associates Inc — 532 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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