John H. Laymon, NP
NPI 1154581452ActiveIndividual· Nurse Practitioner· Apo, AE
Nurse Practitioner (NP) with State of Mississippi - University of Mississippi Medical Center, practicing in Apo, Armed Forces Europe. Their prescriptions cost Medicare Part D more than their services did: $30,792 for 549 claims, against $2,009 paid for services in 2024. Merz Pharmaceuticals, LLC was the largest of 2 companies reporting payments in 2025, $88.45 in all, mostly food and beverage. Lists Mississippi Baptist Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1154581452 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | Yes |
| NPI issued | Jun 11, 2008 |
| Last updated in NPPES | Dec 22, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R142512-1 | MN |
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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 50 across 7 procedure codes |
| Paid by Medicare | $2,009 |
Part D prescriptions in 2024
| Prescriptions (claims) | 549 · 606 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $30,792 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- State of Mississippi - University of Mississippi Medical CenterJackson, MS · 965 clinicians
Hospital affiliations
- Mississippi Baptist Medical CenterJackson, MS
- Mississippi Methodist Rehab CtrJackson, MS
- St Dominic-Jackson Memorial HospitalJackson, MS
- University of Mississippi Med CenterJackson, MS
Other facilities
- Bios Home Health Care LLCHome health agency · Sapulpa, OK
Industry payments (Open Payments)
- 2025$88.45 · 3 payments from 2 companies
- 2024$72.04 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merz Pharmaceuticals, LLC | $58.44 | 2 |
| Microtransponder, Inc. | $30.01 | 1 |
What the 2025 payments were for
- Food and Beverage$88.45 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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