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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RONALD MENDONZA MD
NPI 1184667271
Internal Medicine in Irving, NY

Active since June 14, 2006
CATTARAUGUS INDIAN RESERVATION HEALTH CENTER, 36 THOMAS INDIAN SCHOOL DRIVE, IRVING, NY 14081(716) 532-5582(716) 532-0110 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ronald Mendonza Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RONALD MENDONZA MD (NPI 1184667271) is an individual internal medicine provider in Irving, New York, licensed in New York (128133) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1184667271
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameRONALD MENDONZACredential: MD
Location AddressCATTARAUGUS INDIAN RESERVATION HEALTH CENTER, 36 THOMAS INDIAN SCHOOL DRIVEIrving, NY 14081
Mailing Address87 Fox Chapel DrOrchard Park, NY 14127-3023 · (716) 532-5582 · Fax (716) 532-0110
Phone(716) 532-5582
Fax(716) 532-0110
Sole ProprietorNo
Enumeration DateJune 14, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1184667271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 128133
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
CATTARAUGUS INDIAN RESERVATION HEALTH CENTER, Irving, NY 14081
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Other Identifiers 2

Other6408377NY · Independent Health
Other6001803NY · Ghi

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELIZABETH J ANDERSEN RD/CDN/CDE
Dietitian, Registered
CATTARAUGUS INDIAN RESERVATION HEALTH CENTER, 36 THOMAS INDIAN SCHOOL DR
IRVING, NY 14081
Chautauqua County (716) 532-5582
SCOTT W THOMPSON
Technician/Technologist (Optician)
CATTARAUGUS INDIAN RESERVATION HEALTH CENTER, 36 THOMAS INDIAN SCHOOL DRIVE
IRVING, NY 14081
Chautauqua County (716) 532-5582
BARBARA G NEPHEW RD/CDN
Dietitian, Registered
CATTARAUGUS INDIAN RESERVATION HEALTH CENTER, 36 THOMAS INDIAN SCHOOL DR
IRVING, NY 14081
Chautauqua County (716) 532-5582

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Mendonza's NPI number?

The NPI number for Ronald Mendonza is 1184667271. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Ronald Mendonza located?

Ronald Mendonza practices at Cattaraugus Indian Reservation Health Center 36 Thomas Indian School Drive, Irving, NY 14081. The listed phone number is (716) 532-5582.

What is Ronald Mendonza's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Ronald Mendonza was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.