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

Individual provider Cardiovascular Disease Physician · NPI 1972545770

John Gassler, MD is a Cardiovascular Disease Physician in Rochester, 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

601 Elmwood Ave
Rochester, NY 14642-0001
Phone: (585) 275-4751
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 223914 (NY)

Record details

NPI number1972545770
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 13, 2006
Last updated in NPPESAugust 26, 2011

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