Alan Lowell Mezey, M.D.
NPI 1245263250ActiveIndividual· Internal Medicine· Wynnewood, PA
Internal Medicine (M.D.) in Wynnewood, Pennsylvania, trained at Jefferson Medical College of Thomas Jefferson University (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $612,556 for 8,097 claims, against $74,981 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $193.58 in all, mostly food and beverage.
Overview
| NPI | 1245263250 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Jan 13, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD045026L | PA |
| Specialist | 174400000X | MD045026L | 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 | 393 |
|---|---|
| Services billed | 1,226 across 19 procedure codes |
| Paid by Medicare | $74,981 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,097 · 17,360 30-day fills |
|---|---|
| Patients | 573 |
| Total drug cost | $612,556 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Bryn Mawr HospitalBryn Mawr, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Main Line Hospital LankenauWynnewood, PA
- Paoli HospitalPaoli, PA
- Riddle Memorial HospitalMedia, PA
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Jamison, PA
- Bayada Home Health Care, Inc.Home health agency · Newtown Square, PA
- Main Line Health Home Care & Hospice - Home HealthHome health agency · Radnor, PA
- Good Shepherd Penn PartnersLong-term care hospital · Philadelphia, PA
Industry payments (Open Payments)
- 2025$193.58 · 10 payments from 7 companies
- 2024$361.31 · 18 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $55.11 | 3 |
| Lilly USA, LLC | $32.68 | 2 |
| Boston Scientific Corporation | $27.24 | 1 |
| Amgen Inc. | $21.54 | 1 |
| Glaxosmithkline, LLC. | $21.26 | 1 |
What the 2025 payments were for
- Food and Beverage$193.58 · 10 payments
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