Ann M. Armstrong, ACNP-BC
NPI 1659670552ActiveIndividual· Nurse Practitioner, Acute Care· Saint Louis, MO
Nurse Practitioner, Acute Care (ACNP-BC) in Saint Louis, Missouri, licensed in MO, with an NPI issued in March 2011. Their prescriptions cost Medicare Part D more than their services did: $712,403 for 1,358 claims, against $3,774 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2024, $29.51 in all, mostly food and beverage.
Overview
| NPI | 1659670552 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ACNP-BC |
| Sole proprietor | No |
| NPI issued | Mar 18, 2011 |
| Last updated in NPPES | Nov 3, 2020 |
| Certified by provider | Nov 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 2011007621 | MO |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 56 |
|---|---|
| Services billed | 84 across 10 procedure codes |
| Paid by Medicare | $3,774 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,358 · 1,734 30-day fills |
|---|---|
| Patients | 278 |
| Total drug cost | $712,403 |
| Generic share | 36% of claims |
Industry payments (Open Payments)
- 2024$29.51 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $15.39 | 1 |
| Astrazeneca Pharmaceuticals LP | $14.12 | 1 |
What the 2024 payments were for
- Food and Beverage$29.51 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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