Daniel Brownfield, DO
NPI 1811551146ActiveIndividual· Hospitalist· Tulsa, OK
Hospitalist (DO) with Warren Clinic Inc and 1 other group, practicing in Tulsa, Oklahoma. 448 Medicare patients in 2024, $113,755 paid; nearly all of their 504 Part D prescriptions were generic (90%). Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $25.14 in payments in 2025, mostly food and beverage. Lists Ascension St John Jane Phillips and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1811551146 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Apr 22, 2019 |
| Last updated in NPPES | May 19, 2026 |
| Certified by provider | May 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 7769 | OK |
| Family Medicine | 207Q00000X | 7769 | 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 - Hospitalist (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 448 |
|---|---|
| Services billed | 1,237 across 14 procedure codes |
| Paid by Medicare | $113,755 |
Part D prescriptions in 2024
| Prescriptions (claims) | 504 · 578 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $30,455 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Hospitalist |
Medical groups
- Warren Clinic IncTulsa, OK · 883 clinicians
- Usacs Observation Medicine Services of Oklahoma, LLCTulsa, OK · 210 clinicians
Hospital affiliations
- Ascension St John Jane PhillipsBartlesville, OK
- Ascension St John Medical CenterTulsa, OK
- Coffeyville Regional Medical Center, IncCoffeyville, KS
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$25.14 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $25.14 | 1 |
What the 2025 payments were for
- Food and Beverage$25.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 150 hospitalists in Tulsa · All hospitalists in Oklahoma