Nathan Harper Harris, MD
NPI 1114506037ActiveIndividual· Emergency Medicine· Ada, OK
Emergency Medicine (MD) in Ada, Oklahoma, trained at Medical College of Georgia School of Medicine (class of 2021). 331 Medicare patients in 2024, $43,740 paid; nearly all of their 278 Part D prescriptions were generic (96%).
Overview
| NPI | 1114506037 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 7, 2021 |
| Last updated in NPPES | Nov 25, 2024 |
| Certified by provider | Nov 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 41661 | OK |
| Emergency Medicine | 207P00000X | T9700 | TX |
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 - Emergency Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 331 |
|---|---|
| Services billed | 386 across 17 procedure codes |
| Paid by Medicare | $43,740 |
Part D prescriptions in 2024
| Prescriptions (claims) | 278 · 282 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $3,421 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Medical College of Georgia School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Emergency Medicine |
Medical group
- Mercy Clinic Oklahoma CommunitiesOklahoma City, OK · 649 clinicians
Hospital affiliations
- Mercy Hospital AdaAda, OK
- Mercy Hospital Tishomingo IncTishomingo, OK
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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