Kelsi Marler, FNP
NPI 1881442317ActiveIndividual· Nurse Practitioner, Family· Wentzville, MO
Nurse Practitioner, Family (FNP) with Mercy Clinic East Communities, practicing in Wentzville, Missouri. Their prescriptions cost Medicare Part D more than their services did: $18,524 for 216 claims, against $4,197 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 5 companies reporting payments in 2025, $118.34 in all, mostly food and beverage. Lists Mercy Hospital Lincoln and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1881442317 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | May 9, 2024 |
| Last updated in NPPES | Jul 11, 2024 |
| Certified by provider | Jul 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 2024015972 | 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 | 32 |
|---|---|
| Services billed | 83 across 20 procedure codes |
| Paid by Medicare | $4,197 |
Part D prescriptions in 2024
| Prescriptions (claims) | 216 · 367 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $18,524 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliations
- Mercy Hospital LincolnTroy, MO
- Mercy Hospital St LouisSaint Louis, MO
- Mercy Hospital WashingtonWashington, MO
Industry payments (Open Payments)
- 2025$118.34 · 8 payments from 5 companies
- 2024$257.86 · 13 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $34.28 | 4 |
| Lilly USA, LLC | $25.51 | 1 |
| Abbvie Inc. | $23.38 | 1 |
| Novo Nordisk Inc | $20.56 | 1 |
| Astrazeneca Pharmaceuticals LP | $14.61 | 1 |
What the 2025 payments were for
- Food and Beverage$118.34 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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