Sefenesh G. Mamai, APRN-CNP
NPI 1932693264ActiveIndividual· Nurse Practitioner, Acute Care· Columbus, OH
Nurse Practitioner, Acute Care (APRN-CNP) with Osu Internal Medicine LLC and 1 other group, practicing in Columbus, Ohio. Medicare paid $3,458 for services to 34 patients in 2024. Mallinckrodt Hospital Products Inc. was the largest of 3 companies reporting payments in 2025, $68.20 in all, mostly food and beverage. Lists Ohio State University State Health System as a hospital affiliation.
Overview
| NPI | 1932693264 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN-CNP |
| Sole proprietor | No |
| NPI issued | Jun 20, 2018 |
| Last updated in NPPES | Aug 15, 2025 |
| Certified by provider | Aug 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | APRN.CNP.023038 | OH |
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 - Nurse Practitioner (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 37 across 8 procedure codes |
| Paid by Medicare | $3,458 |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Osu Internal Medicine LLCColumbus, OH · 1,161 clinicians
- Columbus Nephrology, Inc.Grove City, OH · 12 clinicians
Hospital affiliation
- Ohio State University State Health SystemColumbus, OH
Industry payments (Open Payments)
- 2025$68.20 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $35.15 | 1 |
| Nxstage Medical, Inc. | $18.84 | 1 |
| Travere Therapeutics, Inc. | $14.21 | 4 |
What the 2025 payments were for
- Food and Beverage$53.99 · 2 payments
- Education$14.21 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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