Gary D. Riggs, M.D.
NPI 1902821085ActiveIndividual· Internal Medicine· Oklahoma City, OK
Internal Medicine (M.D.) in Oklahoma City, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1997). In 2024 Medicare paid $34,651 for 151 patients, and Part D covered 216 of their prescriptions, 82% of them generic. Pfizer Inc. reported $59.41 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1902821085 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Jul 20, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20825 | OK |
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 - Hospitalist (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 151 |
|---|---|
| Services billed | 437 across 10 procedure codes |
| Paid by Medicare | $34,651 |
Part D prescriptions in 2024
| Prescriptions (claims) | 216 · 321 30-day fills |
|---|---|
| Patients | 95 |
| Total drug cost | $23,708 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical groups
- Integris Ambulatory Care CorporationSpencer, OK · 685 clinicians
- Metro Physicians LLCShawnee, OK · 56 clinicians
Hospital affiliations
- Integris Baptist Medical Center, IncOklahoma City, OK
- Ssm Health St Anthony Hospital - Oklahoma CityOklahoma City, OK
Industry payments (Open Payments)
- 2025$59.41 · 3 payments from 1 company
- 2024$32.33 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $59.41 | 3 |
What the 2025 payments were for
- Food and Beverage$59.41 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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