Sherif M. Ammar, M.D.
NPI 1497746598ActiveIndividual· Otolaryngology· Riverside, CA
Otolaryngology (M.D.) in Riverside, California, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1996). 1,029 Medicare patients in 2024, $884,764 paid; all of their 384 Part D prescriptions were generic. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $298.19 in all, mostly food and beverage.
Overview
| NPI | 1497746598 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 31, 2005 |
| Last updated in NPPES | Nov 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | C52571 | CA |
| Otolaryngology | 207Y00000X | 224198 | MA |
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 - Otolaryngology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,029 |
|---|---|
| Services billed | 2,704 across 50 procedure codes |
| Paid by Medicare | $884,764 |
Part D prescriptions in 2024
| Prescriptions (claims) | 384 · 391 30-day fills |
|---|---|
| Patients | 311 |
| Total drug cost | $3,098 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Otolaryngology |
Industry payments (Open Payments)
- 2025$298.19 · 12 payments from 8 companies
- 2024$528.91 · 24 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $82.87 | 3 |
| Sobi, Inc | $49.00 | 2 |
| Janssen Biotech, Inc. | $44.87 | 2 |
| Ucb, Inc. | $31.76 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $26.42 | 1 |
What the 2025 payments were for
- Food and Beverage$298.19 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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