James Mark Baker, MD
NPI 1497748032ActiveIndividual· Anesthesiology· Oklahoma City, OK
Anesthesiology (MD) in Oklahoma City, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1986). Medicare paid $20,129 for services to 127 patients in 2024. Envista Holdings Corporation was the largest of 2 companies reporting payments in 2025, $169.76 in all, mostly food and beverage.
Overview
| NPI | 1497748032 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 30, 2005 |
| Last updated in NPPES | Sep 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 16176 | 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 - Anesthesiology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 138 across 30 procedure codes |
| Paid by Medicare | $20,129 |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Anesthesiology |
Medical group
- Ou Health Partners IncOklahoma City, OK · 1,184 clinicians
Hospital affiliation
- O U Medical CenterOklahoma City, OK
Industry payments (Open Payments)
- 2025$169.76 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Envista Holdings Corporation | $136.45 | 1 |
| Merck Sharp & Dohme LLC | $33.31 | 2 |
What the 2025 payments were for
- Food and Beverage$169.76 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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