Ernesto A. Diaz-Ordaz, MD
NPI 1114965738ActiveIndividual· Otolaryngology· Williamsville, NY
Otolaryngology (MD) with Rpci Oncology, PC, practicing in Williamsville, New York. Their prescriptions cost Medicare Part D more than their services did: $7,011 for 36 claims, against $1,585 paid for services in 2024. Lists Kaleida Health as a hospital affiliation.
Overview
| NPI | 1114965738 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 4, 2006 |
| Last updated in NPPES | Apr 27, 2026 |
| Certified by provider | Apr 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 160661 | NY |
| Otolaryngology, Otology & Neurotology | 207YX0901X | 160661 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Otolaryngology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 35 across 5 procedure codes |
| Paid by Medicare | $1,585 |
Part D prescriptions in 2024
| Prescriptions (claims) | 36 · 43 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $7,011 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 1979 |
|---|---|
| Medicare specialty | Otolaryngology |
| Secondary specialties | Pediatric Medicine |
Medical group
- Rpci Oncology, PCWilliamsville, NY · 65 clinicians
Hospital affiliation
- Kaleida HealthBuffalo, NY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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