Osama Nasim Ahsan, DO
NPI 1043903891ActiveIndividual· Hospitalist· Rapid City, SD
Hospitalist (DO) in Rapid City, South Dakota, licensed in SD, with an NPI issued in May 2023. Part D covered 163 prescriptions written in 2024, 85% of them generic. Ardelyx, Inc. reported $19.55 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043903891 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 30, 2023 |
| Last updated in NPPES | Jul 15, 2026 |
| Certified by provider | Jul 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 18675 | SD |
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 (SD) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 163 · 251 30-day fills |
|---|---|
| Patients | 69 |
| Total drug cost | $14,028 |
| Generic share | 85% of claims |
Industry payments (Open Payments)
- 2025$19.55 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $19.55 | 1 |
What the 2025 payments were for
- Food and Beverage$19.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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