Sarah Lynn Keiser, CRNP
NPI 1245503606ActiveIndividual· Nurse Practitioner, Family· Oxford, PA
Nurse Practitioner, Family (CRNP) with Lancaster General Medical Group, practicing in Oxford, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $421,887 for 4,858 claims, against $43,739 paid for services in 2024. Lists Chester County Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1245503606 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Feb 15, 2012 |
| Last updated in NPPES | Apr 15, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | SP011706 | 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 | 214 |
|---|---|
| Services billed | 1,050 across 33 procedure codes |
| Paid by Medicare | $43,739 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,858 · 11,008 30-day fills |
|---|---|
| Patients | 695 |
| Total drug cost | $421,887 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Lancaster General Medical GroupOxford, PA · 586 clinicians
Hospital affiliations
- Chester County HospitalWest Chester, PA
- Christiana HospitalNewark, DE
- Lancaster General HospitalLancaster, PA
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Exton, PA
- Penn Medicine Home HealthHome health agency · Bala Cynwyd, PA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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