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

Ray W Bergenstock Jr., MD

Individual provider Internal Medicine Physician · NPI 1346292299

Ray W Bergenstock Jr., MD is an Internal Medicine Physician in Buffalo, New York. Licensed in New York. Registered with an NPI since 2006.

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

3495 Bailey Ave
Buffalo, NY 14215-1129
Phone: (716) 834-9200
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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 140927 (NY)

Record details

NPI number1346292299
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 17, 2006
Last updated in NPPESDecember 13, 2010

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