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

Individual provider Internal Medicine Physician · NPI 1912969304

John D Hall, MD is an Internal Medicine in Williamsville, New York. Graduated from State University of New York at Buffalo School of Medicine in 1992, 34 years ago. Practices with R and B Medical Group LLP, a 7-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
34
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
NY
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

100 College Pkwy Ste 260
Williamsville, NY 14221-6800
Phone: (716) 635-0688
Fax: (716) 204-9574
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 193983 (NY)

Record details

NPI number1912969304
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 3, 2006
Last updated in NPPESMarch 28, 2024
Certification dateMarch 28, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice R And B Medical Group Llp — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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