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

Aston B Williams, MD

Individual provider Gastroenterology Physician · NPI 1558423921

Aston B Williams, MD is an Internal Medicine in Buffalo, New York. Graduated from Temple University School of Medicine in 1975, 51 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
51
Trained at
Temple University School of Medicine
Licensed in
NY
In the registry since
2006
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

2804 Main St
Buffalo, NY 14214-1706
Phone: (716) 832-1776
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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 158446 (NY)
General Practice Physician Taxonomy 208D00000X · Licence 158446 (NY)

Record details

NPI number1558423921
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 14, 2006
Last updated in NPPESJune 17, 2011
Mailing address2804 Main St, Buffalo, NY 14214-1706

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1975 (51 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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