Manuel Jesus Calvin, MD
NPI 1396744678ActiveIndividual· Internal Medicine, Rheumatology· Tulsa, OK
Internal Medicine, Rheumatology (MD) in Tulsa, Oklahoma, trained at University of Puerto Rico School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $5,062,102 for 13,340 claims, against $103,078 paid for services in 2024. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $2,430 in all, mostly food and beverage.
Overview
| NPI | 1396744678 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 19, 2005 |
| Last updated in NPPES | Jan 23, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 16762 | 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 - Rheumatology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 867 |
|---|---|
| Services billed | 4,390 across 25 procedure codes |
| Paid by Medicare | $103,078 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,340 · 20,622 30-day fills |
|---|---|
| Patients | 1,417 |
| Total drug cost | $5,062,102 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical groups
- Warren Clinic IncTulsa, OK · 883 clinicians
- Saint Francis Hospital, Inc.Tulsa, OK · 61 clinicians
Hospital affiliations
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital Vinita, IncVinita, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$2,430 · 135 payments from 10 companies
- 2024$3,494 · 170 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $784.96 | 41 |
| Amgen Inc. | $632.66 | 47 |
| Pfizer Inc. | $320.18 | 14 |
| Novartis Pharmaceuticals Corporation | $215.43 | 10 |
| Ucb, Inc. | $151.03 | 7 |
What the 2025 payments were for
- Food and Beverage$2,430 · 135 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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