Tamara Cephas
NPI 1497207575ActiveIndividual· Nurse Practitioner, Family· Tulsa, OK
Nurse Practitioner, Family with St. John Physicians, Inc., practicing in Tulsa, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $992,739 for 4,351 claims, against $47,188 paid for services in 2024. Pfizer Inc. reported $14.23 in payments in 2025, mostly food and beverage. Lists Ascension St John Medical Center as a hospital affiliation.
Overview
| NPI | 1497207575 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Oct 25, 2016 |
| Last updated in NPPES | Mar 8, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 87130 | 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 - Nurse Practitioner (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 183 |
|---|---|
| Services billed | 1,081 across 3 procedure codes |
| Paid by Medicare | $47,188 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,351 · 9,205 30-day fills |
|---|---|
| Patients | 396 |
| Total drug cost | $992,739 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- St. John Physicians, Inc.Tulsa, OK · 259 clinicians
Hospital affiliation
- Ascension St John Medical CenterTulsa, OK
Industry payments (Open Payments)
- 2025$14.23 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $14.23 | 1 |
What the 2025 payments were for
- Food and Beverage$14.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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