Heather Dawn Zimmerman, ARNP
NPI 1487646980ActiveIndividual· Nurse Practitioner, Family· Sand Springs, OK
Nurse Practitioner, Family (ARNP) with Warren Clinic Inc, practicing in Sand Springs, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $149,582 for 2,156 claims, against $13,568 paid for services in 2024. Inspire Medical Systems, Inc. was the largest of 8 companies reporting payments in 2025, $303.20 in all, mostly food and beverage. Lists Saint Francis Hospital South, LLC and 1 other hospital as hospital affiliations.
Overview
| NPI | 1487646980 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Aug 19, 2005 |
| Last updated in NPPES | Mar 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | R0080528 | 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 - Nurse Practitioner (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 74 |
|---|---|
| Services billed | 417 across 41 procedure codes |
| Paid by Medicare | $13,568 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,156 · 5,360 30-day fills |
|---|---|
| Patients | 144 |
| Total drug cost | $149,582 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Warren Clinic IncTulsa, OK · 883 clinicians
Hospital affiliations
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital, IncTulsa, OK
Industry payments (Open Payments)
- 2025$303.20 · 14 payments from 8 companies
- 2024$334.64 · 17 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Inspire Medical Systems, Inc. | $87.77 | 2 |
| Astrazeneca Pharmaceuticals LP | $69.58 | 3 |
| Pfizer Inc. | $56.48 | 3 |
| Amgen Inc. | $23.41 | 1 |
| Corium, LLC | $19.87 | 2 |
What the 2025 payments were for
- Food and Beverage$303.20 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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