Sarah Rebecca Hartmann, AGNP
NPI 1881108413ActiveIndividual· Nurse Practitioner, Gerontology· Saint Louis, MO
Nurse Practitioner, Gerontology (AGNP) with Mercy Clinic Gastroenterology LLC, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $117,663 for 1,402 claims, against $14,483 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $1,665 in all, mostly food and beverage. Lists Mercy Hospital South as a hospital affiliation.
Overview
| NPI | 1881108413 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGNP |
| Sole proprietor | No |
| NPI issued | Nov 17, 2017 |
| Last updated in NPPES | May 8, 2025 |
| Certified by provider | May 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 2017041073 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 89 |
|---|---|
| Services billed | 266 across 19 procedure codes |
| Paid by Medicare | $14,483 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,402 · 3,152 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $117,663 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mercy Clinic Gastroenterology LLCWashington, MO · 67 clinicians
Hospital affiliation
- Mercy Hospital SouthSaint Louis, MO
Industry payments (Open Payments)
- 2025$1,665 · 81 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $469.64 | 22 |
| Takeda Pharmaceuticals U.S.A., Inc. | $336.83 | 19 |
| Madrigal Pharmaceuticals | $249.73 | 13 |
| Regeneron Healthcare Solutions, Inc. | $98.83 | 3 |
| Aimmune Therapeutics, Inc. | $97.32 | 5 |
What the 2025 payments were for
- Food and Beverage$1,665 · 81 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gerontology nurse practitioners in Saint Louis
- 1013791094
- 1023529468
- 1033601356
- 1053533612
- 1053906487
- 1083135909
- 1174235105
- 1194477406
- 1205422086
- 1205947173
- 1235836982
- 1295335966
All 117 gerontology nurse practitioners in Saint Louis · All gerontology nurse practitioners in Missouri