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

Nancy Colligan, MD

Individual provider Internal Medicine Physician · NPI 1184635526

Nancy Colligan, MD is an Internal Medicine Physician in Amherst, 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

3980 Sheridan Dr
Amherst, NY 14226-1727
Phone: (716) 961-9900
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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 152552 (NY)

Record details

NPI number1184635526
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 11, 2006
Last updated in NPPESJanuary 3, 2008
Mailing address3980 Sheridan Dr, Amherst, NY 14226-1727

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