April Zumwalt, DNP, APRN, FNP-C
NPI 1366922437ActiveIndividual· Nurse Practitioner, Family· Lawton, OK
Nurse Practitioner, Family (DNP, APRN, FNP-C) with Gdn LLC, practicing in Lawton, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $291,237 for 2,794 claims, against $10,316 paid for services in 2024. Dexcom, Inc. was the largest of 2 companies reporting payments in 2025, $68.23 in all, mostly food and beverage. Lists Duncan Regional Hospital, Inc and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1366922437 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, APRN, FNP-C |
| Sole proprietor | No |
| NPI issued | Aug 17, 2018 |
| Last updated in NPPES | Aug 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 105645 | 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 | 90 |
|---|---|
| Services billed | 225 across 26 procedure codes |
| Paid by Medicare | $10,316 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,794 · 5,647 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $291,237 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Gdn LLCDuncan, OK · 11 clinicians
Hospital affiliations
- Duncan Regional Hospital, IncDuncan, OK
- Oklahoma Heart Hospital South, LLCOklahoma City, OK
- Oklahoma Heart Hospital, LLCOklahoma City, OK
Industry payments (Open Payments)
- 2025$68.23 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $50.06 | 2 |
| Sage Therapeutics, LLC | $18.17 | 1 |
What the 2025 payments were for
- Food and Beverage$68.23 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Family providers in Lawton
- 1891195590
- 1063904662
- 1841996378
- 1598682601
- 1730650680
- 1679142145
- 1568377422
- 1255708012
- 1932627387
- 1821427576
- 1023487311
- 1114873700