Alison Lee Mercier, MD
NPI 1811481997ActiveIndividual· Family Medicine, Geriatric Medicine· Lancaster, PA
Family Medicine, Geriatric Medicine (MD) with Lancaster General Hospital, practicing in Lancaster, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $289,012 for 2,688 claims, against $40,879 paid for services in 2024. Lists Lancaster General Hospital as a hospital affiliation.
Overview
| NPI | 1811481997 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 21, 2018 |
| Last updated in NPPES | Sep 11, 2025 |
| Certified by provider | Nov 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Geriatric Medicine Primary | 207QG0300X | MD486393 | 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 - Family Practice (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 210 |
|---|---|
| Services billed | 613 across 32 procedure codes |
| Paid by Medicare | $40,879 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,688 · 5,119 30-day fills |
|---|---|
| Patients | 382 |
| Total drug cost | $289,012 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Lancaster General HospitalLancaster, PA · 520 clinicians
Hospital affiliation
- Lancaster General HospitalLancaster, PA
Other facilities
- Choices HealthcareHospice · Lancaster, PA
- Trillium PlaceNursing home · Lancaster, 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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