Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Ernesto A Diaz-Ordaz, MD

Individual provider Otolaryngology Physician · NPI 1114965738

Ernesto A Diaz-Ordaz, MD is an Otolaryngology in Williamsville, New York. Qualified in 1979, 47 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
47
Licensed in
NY
In the registry since
2006
Specialties on file
2
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

180 Park Club Ln Ste 200
Williamsville, NY 14221-5263
Phone: (716) 634-7350
Fax: (716) 634-7656
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 160661 (NY)
Otology & Neurotology Physician Taxonomy 207YX0901X · Licence 160661 (NY)

Record details

NPI number1114965738
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 4, 2006
Last updated in NPPESApril 27, 2026
Certification dateApril 27, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOTOLARYNGOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Williamsville