Stephen Calvert, M.D.
NPI 1902875420ActiveIndividual· Internal Medicine· Tulsa, OK
Internal Medicine (M.D.) in Tulsa, Oklahoma, trained at University of Oklahoma College of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $78,410 for 1,008 claims, against $21,338 paid for services in 2024.
Overview
| NPI | 1902875420 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 16, 2006 |
| Last updated in NPPES | Aug 26, 2024 |
| Certified by provider | Aug 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 22446 | 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 - Internal Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 365 across 45 procedure codes |
| Paid by Medicare | $21,338 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,008 · 2,043 30-day fills |
|---|---|
| Patients | 111 |
| Total drug cost | $78,410 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- Omni Medical Group IncTulsa, OK · 82 clinicians
Hospital affiliations
- Ascension St John Broken ArrowBroken Arrow, OK
- Ascension St John Medical CenterTulsa, 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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All 373 internal medicine physicians in Tulsa · All internal medicine physicians in Oklahoma