Leon Mullen, MD
NPI 1497831986ActiveIndividual· Internal Medicine, Cardiovascular Disease· East Meadow, NY
Internal Medicine, Cardiovascular Disease (MD) with Mercy Internal Medicine PC, practicing in East Meadow, New York. Their prescriptions cost Medicare Part D more than their services did: $197,595 for 2,158 claims, against $78,440 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $60.14 in all, mostly food and beverage. Lists Long Island Jewish Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1497831986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 27, 2006 |
| Last updated in NPPES | Jan 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 132791 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 839 |
|---|---|
| Services billed | 2,085 across 14 procedure codes |
| Paid by Medicare | $78,440 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,158 · 4,200 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $197,595 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1976 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Mercy Internal Medicine PCRockville Center, NY · 10 clinicians
Hospital affiliations
- Long Island Jewish Medical CenterNew Hyde Park, NY
- Mercy Medical CenterRockville Centre, NY
- Mount Sinai South NassauOceanside, NY
- NYU Langone HospitalsNew York, NY
- St Francis Hospital - the Heart CenterRoslyn, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
- Vns of Ny Home Care ChhaHome health agency · New York, NY
Industry payments (Open Payments)
- 2025$60.14 · 3 payments from 3 companies
- 2024$45.88 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $25.25 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $18.89 | 1 |
| Heartflow, Inc. | $16.00 | 1 |
What the 2025 payments were for
- Food and Beverage$60.14 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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