Alison Joy Leff, DO
NPI 1568499473ActiveIndividual· Internal Medicine· Wynnewood, PA
Internal Medicine (DO) in Wynnewood, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $1,223,447 for 15,638 claims, against $298,796 paid for services in 2024.
Overview
| NPI | 1568499473 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 27, 2006 |
| Last updated in NPPES | Jan 3, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | OS013095 | 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 - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 472 |
|---|---|
| Services billed | 3,095 across 11 procedure codes |
| Paid by Medicare | $298,796 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,638 · 15,669 30-day fills |
|---|---|
| Patients | 415 |
| Total drug cost | $1,223,447 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Internal Medicine |
Medical groups
- Bryn Mawr Medical Specialists AssociationBryn Mawr, PA · 134 clinicians
- Alignmed Medical Group PCLancaster, PA · 57 clinicians
Other facilities
- Main Line Health Home Care & Hospice - Home HealthHome health agency · Radnor, PA
- Residential Home Health of Carlisle LLCHome health agency · Havertown, PA
- Accentcare Hospice & Palliative Care of PennsylvanHospice · King Of Prussia, PA
- Heartland Hospice (Chadds Ford)Hospice · Chadds Ford, PA
- Holisticare Hospice, LLCHospice · Wayne, PA
- Penn Medicine HospiceHospice · Bala Cynwyd, PA
- Aventura at PembrookeNursing home · West Chester, PA
- Barclay FriendsNursing home · West Chester, PA
- Broomall ManorNursing home · Broomall, PA
- Naamans Creek Country ManorNursing home · Boothwyn, PA
- West Chester Rehabilitation and Healthcare CenterNursing home · West Chester, 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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All 162 internal medicine physicians in Wynnewood · All internal medicine physicians in Pennsylvania