Annamaria Giehl, MSN, ANP-BC, ACHPN
NPI 1114361987ActiveIndividual· Nurse Practitioner, Adult Health· New York, NY
Nurse Practitioner, Adult Health (MSN, ANP-BC, ACHPN) with Trustees of Columbia University in the City of New York and 1 other group, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $373,434 for 1,853 claims, against $27,674 paid for services in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC reported $17.05 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1114361987 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, ANP-BC, ACHPN |
| Sole proprietor | Yes |
| NPI issued | Apr 24, 2013 |
| Last updated in NPPES | Apr 11, 2022 |
| Certified by provider | Apr 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | F306307-1 | NY |
| Nurse Practitioner | 363L00000X | F440040-1 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 337 across 11 procedure codes |
| Paid by Medicare | $27,674 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,853 · 2,027 30-day fills |
|---|---|
| Patients | 222 |
| Total drug cost | $373,434 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Trustees of Columbia University in the City of New YorkNew York, NY · 2,296 clinicians
- Nodar Janas MD PCNew York, NY · 7 clinicians
Industry payments (Open Payments)
- 2025$17.05 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $17.05 | 1 |
What the 2025 payments were for
- Food and Beverage$17.05 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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