Sara M. Koenig, WHNP
NPI 1336478007ActiveIndividual· Nurse Practitioner, Women's Health· Saint Louis, MO
Nurse Practitioner, Women's Health (WHNP) with Mercy Clinic East Communities, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $9,361 for 103 claims, against $1,141 paid for services in 2024. Astellas Pharma US Inc was the largest of 10 companies reporting payments in 2025, $412.78 in all, mostly food and beverage. Lists Mercy Hospital St Louis as a hospital affiliation.
Overview
| NPI | 1336478007 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | WHNP |
| Sole proprietor | No |
| NPI issued | Dec 9, 2009 |
| Last updated in NPPES | Nov 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Women's Health Primary | 363LW0102X | 2009034348 | 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 | 18 |
|---|---|
| Services billed | 33 across 8 procedure codes |
| Paid by Medicare | $1,141 |
Part D prescriptions in 2024
| Prescriptions (claims) | 103 · 169 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $9,361 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliation
- Mercy Hospital St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2025$412.78 · 21 payments from 10 companies
- 2024$652.32 · 27 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $70.10 | 4 |
| Mayne Pharma Commercial LLC | $65.46 | 3 |
| Amgen Inc. | $51.21 | 3 |
| Abbvie Inc. | $50.92 | 2 |
| Sumitomo Pharma America, Inc. | $49.04 | 3 |
What the 2025 payments were for
- Food and Beverage$412.78 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 101 women's health nurse practitioners in Saint Louis · All women's health nurse practitioners in Missouri