Sameer Shamoon Mamnoon, M.D.
NPI 1881663144ActiveIndividual· Internal Medicine· Williamsville, NY
Internal Medicine (M.D.) with Adult Medical Services PC, practicing in Williamsville, New York. Their prescriptions cost Medicare Part D more than their services did: $302,695 for 3,157 claims, against $21,738 paid for services in 2024. Exact Sciences Corporation was the largest of 6 companies reporting payments in 2025, $293.03 in all, mostly food and beverage. Lists Kaleida Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1881663144 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 17, 2006 |
| Last updated in NPPES | May 21, 2024 |
| Certified by provider | May 14, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 229765 | NY |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 78 |
|---|---|
| Services billed | 394 across 28 procedure codes |
| Paid by Medicare | $21,738 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,157 · 7,269 30-day fills |
|---|---|
| Patients | 589 |
| Total drug cost | $302,695 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Adult Medical Services PCWilliamsville, NY · 3 clinicians
Hospital affiliations
- Kaleida HealthBuffalo, NY
- Sisters of Charity HospitalBuffalo, NY
Other facilities
- McAuley Seton Home Care Corp ChhaHome health agency · Buffalo, NY
- Willcare Chha (Buffalo)Home health agency · Amherst, NY
Industry payments (Open Payments)
- 2025$293.03 · 10 payments from 6 companies
- 2024$599.07 · 10 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $136.43 | 2 |
| Lilly USA, LLC | $51.29 | 2 |
| Amgen Inc. | $38.29 | 2 |
| Novo Nordisk Inc | $30.01 | 2 |
| Pfizer Inc. | $18.99 | 1 |
What the 2025 payments were for
- Food and Beverage$293.03 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 internal medicine physicians in Williamsville · All internal medicine physicians in New York