Mary Elizabeth Piergallini, M.D.
NPI 1326018607ActiveIndividual· Family Medicine· Lock Haven, PA
Family Medicine (M.D.) in Lock Haven, Pennsylvania, trained at Pennsylvania State University College of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $666,012 for 6,717 claims, against $51,808 paid for services in 2024. Lilly USA, LLC reported $15.70 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1326018607 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 26, 2006 |
| Last updated in NPPES | Apr 4, 2022 |
| Certified by provider | Apr 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD421135 | 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 | 119 |
|---|---|
| Services billed | 956 across 37 procedure codes |
| Paid by Medicare | $51,808 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,717 · 13,823 30-day fills |
|---|---|
| Patients | 316 |
| Total drug cost | $666,012 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Family Practice |
Medical group
- Phoenix Rehabilitation and Health Services IncCranberry Twp, PA · 2,800 clinicians
Hospital affiliations
- Geisinger Jersey Shore HospitalJersey Shore, PA
- Geisinger Medical CenterDanville, PA
- Upmc WilliamsportWilliamsport, PA
Other facilities
- Residential Home Health of Nc PA, LLCHome health agency · Lewisburg, PA
- Family HospiceHospice · Williamsport, PA
Industry payments (Open Payments)
- 2025$15.70 · 1 payment from 1 company
- 2024$13.28 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $15.70 | 1 |
What the 2025 payments were for
- Food and Beverage$15.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 family medicine physicians in Lock Haven · All family medicine physicians in Pennsylvania