Doctor profile · Federal record

Dr. Ernesto Diaz-Ordaz, MD

Otolaryngology Physician (CMS: Otolaryngology) · Otology & Neurotology Physician · Williamsville, NY

  • NPI 1114965738
  • Accepts Medicare
  • MIPS 84.3 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
180 Park Club Ln, Suite 200
Williamsville, NY 142215263
(716) 634-7350
fax (716) 634-7656

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 24, 2010
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
New York #160661
Medicaid
NY #01442699

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114965738. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22
Distinct HCPCS
1
Medicare allowed
$1,418
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 22 12 $64

In context: peer comparison

Among 1 peers in this city , average services per provider: 22. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
0
Total drug cost
$201
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 0 $201

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ernesto Diaz-Ordaz's medical specialty?
Dr. Ernesto Diaz-Ordaz practices Otolaryngology Physician in Williamsville, NY.
Where does Dr. Ernesto Diaz-Ordaz practice?
Dr. Ernesto Diaz-Ordaz practices at 180 Park Club Ln, Williamsville, NY 142215263. Office phone: 7166347350.
What is Dr. Ernesto Diaz-Ordaz's NPI?
Dr. Ernesto Diaz-Ordaz's National Provider Identifier (NPI) is 1114965738, issued by NPPES.
Does Dr. Ernesto Diaz-Ordaz accept Medicare assignment?
Yes. Dr. Ernesto Diaz-Ordaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ernesto Diaz-Ordaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.