Annmarie Johnson, MSN, PMHNP-BP
NPI 1942607601ActiveIndividual· Nurse Practitioner· Port Huron, MI
Nurse Practitioner (MSN, PMHNP-BP) with St Clair County Community Mental Health Authority, practicing in Port Huron, Michigan. Their prescriptions cost Medicare Part D more than their services did: $238,997 for 807 claims, against $6,185 paid for services in 2024. Alkermes, Inc. was the largest of 7 companies reporting payments in 2025, $645.69 in all, mostly food and beverage. Lists Lake Huron Medical Center as a hospital affiliation.
Overview
| NPI | 1942607601 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, PMHNP-BP |
| Sole proprietor | Yes |
| NPI issued | Nov 24, 2014 |
| Last updated in NPPES | Oct 24, 2023 |
| Certified by provider | Oct 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 4704306798 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 126 across 6 procedure codes |
| Paid by Medicare | $6,185 |
Part D prescriptions in 2024
| Prescriptions (claims) | 807 · 932 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $238,997 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- St Clair County Community Mental Health AuthorityMussey, MI · 56 clinicians
Hospital affiliation
- Lake Huron Medical CenterPort Huron, MI
Industry payments (Open Payments)
- 2025$645.69 · 37 payments from 7 companies
- 2024$350.06 · 21 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $179.24 | 12 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $140.22 | 10 |
| Otsuka America Pharmaceutical, Inc. | $126.97 | 6 |
| Teva Pharmaceuticals USA, Inc. | $79.59 | 4 |
| E.R. Squibb & Sons, L.L.C. | $56.01 | 2 |
What the 2025 payments were for
- Food and Beverage$645.69 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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