Marystuart D. Seifarth, CRNP, BSN, MSN
NPI 1225494099ActiveIndividual· Nurse Practitioner, Family· Waynesboro, PA
Nurse Practitioner, Family (CRNP, BSN, MSN) with Wellspan Medical Group, practicing in Waynesboro, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $126,527 for 1,059 claims, against $16,095 paid for services in 2024. Lilly USA, LLC was the largest of 4 companies reporting payments in 2025, $193.42 in all, mostly food and beverage. Lists Gettysburg Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1225494099 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP, BSN, MSN |
| Sole proprietor | No |
| NPI issued | Jan 11, 2016 |
| Last updated in NPPES | Jul 21, 2026 |
| Certified by provider | Jul 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | SP015832 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 217 |
|---|---|
| Services billed | 275 across 7 procedure codes |
| Paid by Medicare | $16,095 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,059 · 1,838 30-day fills |
|---|---|
| Patients | 343 |
| Total drug cost | $126,527 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Wellspan Medical GroupEphrata, PA · 2,480 clinicians
Hospital affiliations
- Gettysburg HospitalGettysburg, PA
- Wellspan Chambersburg HospitalChambersburg, PA
- Wellspan Waynesboro HospitalWaynesboro, PA
Industry payments (Open Payments)
- 2025$193.42 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $107.10 | 1 |
| Janssen Biotech, Inc. | $36.59 | 1 |
| Phathom Pharmaceuticals, Inc. | $35.24 | 4 |
| Novo Nordisk Inc | $14.49 | 1 |
What the 2025 payments were for
- Food and Beverage$193.42 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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