Renee Davis, APRN
NPI 1558084590ActiveIndividual· Nurse Practitioner, Adult Health· Tulsa, OK
Nurse Practitioner, Adult Health (APRN) with Nephrology Associates, Inc., practicing in Tulsa, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $112,988 for 1,364 claims, against $29,584 paid for services in 2024. Ardelyx, Inc. was the largest of 8 companies reporting payments in 2025, $243.46 in all, mostly food and beverage. Lists Ascension St John Broken Arrow and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1558084590 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | Yes |
| NPI issued | Sep 23, 2022 |
| Last updated in NPPES | Nov 25, 2024 |
| Certified by provider | Nov 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 210399 | 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 | 317 |
|---|---|
| Services billed | 512 across 14 procedure codes |
| Paid by Medicare | $29,584 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,364 · 2,102 30-day fills |
|---|---|
| Patients | 258 |
| Total drug cost | $112,988 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Nephrology Associates, Inc.Tulsa, OK · 25 clinicians
Hospital affiliations
- Ascension St John Broken ArrowBroken Arrow, OK
- Ascension St John Jane PhillipsBartlesville, OK
- Ascension St John Medical CenterTulsa, OK
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK
- Saint Francis Hospital MuskogeeMuskogee, OK
Industry payments (Open Payments)
- 2025$243.46 · 12 payments from 8 companies
- 2024$149.40 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $41.88 | 2 |
| Mallinckrodt Hospital Products Inc. | $38.64 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $37.56 | 2 |
| Calliditas Therapeutics US Inc. | $36.13 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $35.53 | 2 |
What the 2025 payments were for
- Food and Beverage$243.46 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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