John Marc Shellenberger, MD
NPI 1548600992ActiveIndividual· Surgery, Surgical Critical Care· Tulsa, OK
Surgery, Surgical Critical Care (MD) in Tulsa, Oklahoma, trained at University of Arkansas College of Medicine (class of 2013). Mostly services rather than prescriptions: Medicare paid $59,642 for 281 patients in 2024, with only 20 Part D claims. Becton, Dickinson and Company was the largest of 5 companies reporting payments in 2025, $452.96 in all, mostly food and beverage.
Overview
| NPI | 1548600992 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 30, 2013 |
| Last updated in NPPES | Oct 31, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Critical Care Primary | 2086S0102X | 34961 | OK |
| Surgery | 208600000X | 2013022036 | MO |
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 - General Surgery (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 281 |
|---|---|
| Services billed | 517 across 47 procedure codes |
| Paid by Medicare | $59,642 |
Part D prescriptions in 2024
| Prescriptions (claims) | 20 · 20 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $83.76 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | General Surgery |
Medical groups
- Warren Clinic IncTulsa, OK · 883 clinicians
- Care Communications LLCTulsa, OK · 33 clinicians
Hospital affiliations
- McAlester Regional Health CenterMcAlester, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital, IncTulsa, OK
- Stillwater Medical CenterStillwater, OK
Industry payments (Open Payments)
- 2025$452.96 · 9 payments from 5 companies
- 2024$241.69 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Becton, Dickinson and Company | $170.05 | 2 |
| Intuitive Surgical, Inc. | $144.48 | 2 |
| Depuy Synthes Sales Inc. | $73.40 | 2 |
| Aroa Biosurgery Incorporated | $37.87 | 2 |
| Ethicon US, LLC | $27.16 | 1 |
What the 2025 payments were for
- Food and Beverage$433.96 · 8 payments
- Travel and Lodging$19.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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