Regina Marie Lewis, DO
NPI 1942218789ActiveIndividual· Family Medicine· Tulsa, OK
Family Medicine (DO) with Warren Clinic Inc and 1 other group, practicing in Tulsa, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $64,838 for 521 claims, against $4,741 paid for services in 2024. Lilly USA, LLC was the largest of 11 companies reporting payments in 2025, $392.63 in all, mostly food and beverage. Lists Oklahoma State University Medical Center as a hospital affiliation.
Overview
| NPI | 1942218789 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | May 26, 2026 |
| Certified by provider | May 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4093 | OK |
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 - Family Practice (OK); Practitioner - Osteopathic Manipulative Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 29 |
|---|---|
| Services billed | 108 across 21 procedure codes |
| Paid by Medicare | $4,741 |
Part D prescriptions in 2024
| Prescriptions (claims) | 521 · 1,122 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $64,838 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | Obstetrics/Gynecology |
Medical groups
- Warren Clinic IncTulsa, OK · 883 clinicians
- Oklahoma State UniversityTulsa, OK · 108 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$392.63 · 19 payments from 11 companies
- 2024$374.41 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $90.38 | 5 |
| Harmony Biosciences LLC | $54.46 | 2 |
| Exact Sciences Corporation | $51.59 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $38.15 | 2 |
| Amgen Inc. | $32.93 | 2 |
What the 2025 payments were for
- Food and Beverage$392.63 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 494 family medicine physicians in Tulsa · All family medicine physicians in Oklahoma