Ahmad Hamad, M.D.
NPI 1235414681ActiveIndividual· Allergy & Immunology· Vienna, VA
Allergy & Immunology (M.D.) with Allergy Partners PLLC, practicing in Vienna, Virginia. In 2024 Medicare paid $89,301 for 47 patients, and Part D covered 173 of their prescriptions, 50% of them generic. Genzyme Corporation was the largest of 18 companies reporting payments in 2025, $2,262 in all, mostly food and beverage.
Overview
| NPI | 1235414681 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 17, 2011 |
| Last updated in NPPES | Oct 31, 2023 |
| Certified by provider | Oct 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 0101265477 | VA |
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 - Allergy/Immunology (DC); Practitioner - Internal Medicine (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 47 |
|---|---|
| Services billed | 5,876 across 26 procedure codes |
| Paid by Medicare | $89,301 |
Part D prescriptions in 2024
| Prescriptions (claims) | 173 · 221 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $113,884 |
| Generic share | 50% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Allergy/Immunology |
Medical group
- Allergy Partners PLLCFishers, IN · 143 clinicians
Industry payments (Open Payments)
- 2025$2,262 · 103 payments from 18 companies
- 2024$1,479 · 62 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $340.59 | 14 |
| Astrazeneca Pharmaceuticals LP | $274.08 | 13 |
| Glaxosmithkline, LLC. | $254.77 | 16 |
| Amgen Inc. | $200.15 | 10 |
| Ars Pharmaceuticals Operations, Inc. | $174.65 | 11 |
What the 2025 payments were for
- Food and Beverage$2,112 · 99 payments
- Education$150.07 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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