Joanna Lynn Johnson, AGACNP-BC
NPI 1376968842ActiveIndividual· Nurse Practitioner, Acute Care· Evansville, IN
Nurse Practitioner, Acute Care (AGACNP-BC) with St Marys Medical Group LLC, practicing in Evansville, Indiana. Their prescriptions cost Medicare Part D more than their services did: $374,039 for 1,199 claims, against $17,690 paid for services in 2024. La Jolla Pharmaceutical Company was the largest of 4 companies reporting payments in 2025, $187.09 in all, mostly food and beverage. Lists Ascension St Vincent Evansville and 1 other hospital as hospital affiliations.
Overview
| NPI | 1376968842 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGACNP-BC |
| Sole proprietor | No |
| NPI issued | Feb 20, 2014 |
| Last updated in NPPES | Aug 7, 2026 |
| Certified by provider | Aug 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 71003702A | IN |
| Clinical Nurse Specialist, Adult Health | 364SA2200X | 71003702A | IN |
| Clinical Nurse Specialist, Critical Care Medicine | 364SC0200X | 71003702A | IN |
| Nurse Practitioner, Gerontology | 363LG0600X | 71003702A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 194 |
|---|---|
| Services billed | 451 across 18 procedure codes |
| Paid by Medicare | $17,690 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,199 · 1,631 30-day fills |
|---|---|
| Patients | 252 |
| Total drug cost | $374,039 |
| Generic share | 45% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- St Marys Medical Group LLCEvansville, IN · 228 clinicians
Hospital affiliations
- Ascension St Vincent EvansvilleEvansville, IN
- Ascension St Vincent WarrickBoonville, IN
Industry payments (Open Payments)
- 2025$187.09 · 5 payments from 4 companies
- 2024$104.40 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| La Jolla Pharmaceutical Company | $117.33 | 1 |
| Pulmonx Corporation | $34.20 | 2 |
| Insmed, Inc. | $18.55 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $17.01 | 1 |
What the 2025 payments were for
- Food and Beverage$187.09 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 acute care nurse practitioners in Evansville · All acute care nurse practitioners in Indiana