Nan L. Ambrosy, DNP, ARNP
NPI 1144325648ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Des Moines, IA
Nurse Practitioner, Psych/Mental Health (DNP, ARNP) with McCd Fl Psychiatry Services PA and 1 other group, practicing in Des Moines, Iowa. Their prescriptions cost Medicare Part D more than their services did: $464,097 for 3,792 claims, against $19,715 paid for services in 2024. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $736.65 in all, mostly food and beverage. Lists Mercyone Waterloo Medical Center as a hospital affiliation.
Overview
| NPI | 1144325648 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, ARNP |
| Sole proprietor | No |
| NPI issued | Sep 13, 2006 |
| Last updated in NPPES | Apr 7, 2026 |
| Certified by provider | Apr 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | G128919 | IA |
| Clinical Nurse Specialist, Psych/Mental Health, Adult | 364SP0809X | T128919 | IA |
| Clinical Nurse Specialist, Psych/Mental Health | 364SP0808X | 53-45383 | KS |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | 53-74864 | KS |
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 (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 113 |
|---|---|
| Services billed | 404 across 14 procedure codes |
| Paid by Medicare | $19,715 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,792 · 6,104 30-day fills |
|---|---|
| Patients | 246 |
| Total drug cost | $464,097 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- McCd Fl Psychiatry Services PATallahassee, FL · 801 clinicians
- Covenant Medical Center IncWaterloo, IA · 235 clinicians
Hospital affiliation
- Mercyone Waterloo Medical CenterWaterloo, IA
Industry payments (Open Payments)
- 2025$736.65 · 41 payments from 10 companies
- 2024$930.05 · 55 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $180.13 | 10 |
| Otsuka America Pharmaceutical, Inc. | $100.84 | 5 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $95.69 | 5 |
| Teva Pharmaceuticals USA, Inc. | $82.21 | 5 |
| Neurocrine Biosciences, Inc. | $77.82 | 4 |
What the 2025 payments were for
- Food and Beverage$736.65 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Psych/Mental Health providers in Des Moines
- 1285367730
- 1417403916
- 1275147910
- 1255926085
- 1184464620
- 1992641625
- 1700471505
- 1780545954
- 1114678141
- 1134231459
- 1619714326
- 1295296127
All Nurse Practitioner, Psych/Mental Health providers in Iowa →