Donald Mario Robert Harker, MD
NPI 1457934838ActiveIndividual· Hospitalist· Reno, NV
Hospitalist (MD) with Northern Nevada Medical Group LLC, practicing in Reno, Nevada. Their prescriptions cost Medicare Part D more than their services did: $30,170 for 296 claims, against $3,493 paid for services in 2024. Lists Banner Churchill Community Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1457934838 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 3, 2021 |
| Last updated in NPPES | Jul 26, 2025 |
| Certified by provider | Jul 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 25741 | NV |
| Family Medicine | 207Q00000X | 25741 | NV |
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 - Hospitalist (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 23 |
|---|---|
| Services billed | 51 across 15 procedure codes |
| Paid by Medicare | $3,493 |
Part D prescriptions in 2024
| Prescriptions (claims) | 296 · 569 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $30,170 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Family Practice |
Medical group
- Northern Nevada Medical Group LLCSparks, NV · 82 clinicians
Hospital affiliations
- Banner Churchill Community HospitalFallon, NV
- Banner Lassen Medical CenterSusanville, CA
- Eastern Plumas Hospital - Portola CampusPortola, CA
- Northern Nevada Medical CenterSparks, NV
- Renown Regional Medical CenterReno, NV
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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