Nathan Bahary, MD, PHD
NPI 1578535803ActiveIndividual· Specialist· Pittsburgh, PA
Specialist (MD, PHD) with Allegheny Clinic Medical Oncology, practicing in Pittsburgh, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $393,865 for 157 claims, against $23,094 paid for services in 2024. Pfizer Inc. was the largest of 3 companies reporting payments in 2025, $290.41 in all, mostly food and beverage. Lists Allegheny General Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1578535803 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Feb 2, 2006 |
| Last updated in NPPES | Sep 30, 2021 |
| Certified by provider | Sep 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | MD420463 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 264 across 13 procedure codes |
| Paid by Medicare | $23,094 |
Part D prescriptions in 2024
| Prescriptions (claims) | 157 · 165 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $393,865 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Allegheny Clinic Medical OncologyKittanning, PA · 97 clinicians
Hospital affiliations
- Allegheny General HospitalPittsburgh, PA
- Allegheny Valley HospitalNatrona, PA
- Canonsburg General HospitalCanonsburg, PA
- Forbes HospitalMonroeville, PA
- West Penn HospitalPittsburgh, PA
Industry payments (Open Payments)
- 2025$290.41 · 7 payments from 3 companies
- 2024$2,906 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $130.43 | 1 |
| Abbvie Inc. | $91.49 | 5 |
| Astrazeneca Pharmaceuticals LP | $68.49 | 1 |
What the 2025 payments were for
- Food and Beverage$221.92 · 6 payments
- Education$68.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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