Mary Ann Hayden, MS, A-GNP-C
NPI 1477073609ActiveIndividual· Nurse Practitioner· Oklahoma City, OK
Nurse Practitioner (MS, A-GNP-C) with Midland Care Physician Services LLC and 1 other group, practicing in Oklahoma City, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $439,730 for 4,414 claims, against $109,926 paid for services in 2024. Teva Pharmaceuticals USA, Inc. was the largest of 3 companies reporting payments in 2025, $637.94 in all, mostly food and beverage. Lists Lmh and 1 other hospital as hospital affiliations.
Overview
| NPI | 1477073609 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MS, A-GNP-C |
| Sole proprietor | No |
| NPI issued | Jun 20, 2017 |
| Last updated in NPPES | Jun 20, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 53-77512-092 | KS |
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 (KS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 142 |
|---|---|
| Services billed | 1,900 across 10 procedure codes |
| Paid by Medicare | $109,926 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,414 · 4,460 30-day fills |
|---|---|
| Patients | 184 |
| Total drug cost | $439,730 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Midland Care Physician Services LLCTopeka, KS · 4 clinicians
- Ps127andjn434 LLCTopeka, KS · 4 clinicians
Hospital affiliations
- LmhLawrence, KS
- Stormont Vail HospitalTopeka, KS
Other facilities
- Elara CaringHome health agency · Topeka, KS
Industry payments (Open Payments)
- 2025$637.94 · 17 payments from 3 companies
- 2024$527.86 · 27 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $568.04 | 15 |
| Pfizer Inc. | $55.96 | 1 |
| Lundbeck LLC | $13.94 | 1 |
What the 2025 payments were for
- Food and Beverage$416.96 · 15 payments
- Education$220.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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