Joan Marie Armstrong, N.P.
NPI 1508997040ActiveIndividual· Nurse Practitioner, Family· Ann Arbor, MI
Nurse Practitioner, Family (N.P.) with Regents of the University of Michigan, practicing in Ann Arbor, Michigan. Their prescriptions cost Medicare Part D more than their services did: $1,703,274 for 766 claims, against $21,119 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $40.74 in payments in 2025, mostly food and beverage. Lists Henry Ford Allegiance Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1508997040 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | N.P. |
| Sole proprietor | No |
| NPI issued | Mar 8, 2007 |
| Last updated in NPPES | Sep 2, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 4704164214 | MI |
| Nurse Practitioner | 363L00000X | 4704164214 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 137 |
|---|---|
| Services billed | 352 across 7 procedure codes |
| Paid by Medicare | $21,119 |
Part D prescriptions in 2024
| Prescriptions (claims) | 766 · 1,321 30-day fills |
|---|---|
| Patients | 181 |
| Total drug cost | $1,703,274 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliations
- Henry Ford Allegiance HealthJackson, MI
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
- 2025$40.74 · 1 payment from 1 company
- 2024$4,312 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $40.74 | 1 |
What the 2025 payments were for
- Food and Beverage$40.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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