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

Ronald Mendonza, MD

Individual provider Internal Medicine Physician · NPI 1184667271

Ronald Mendonza, MD is an Internal Medicine Physician in Irving, 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.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Cattaraugus Indian Reservation Health Center 36 Thomas Indian School Dr
Irving, NY 14081
Phone: (716) 532-5582
Fax: (716) 532-0110
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 128133 (NY)

Record details

NPI number1184667271
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESJuly 13, 2026
Mailing address87 Fox Chapel Dr, Orchard Park, NY 14127-3023

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