Lawrence J. Leader, DO
NPI 1508970211ActiveIndividual· Internal Medicine, Cardiovascular Disease· Hattiesburg, MS
Internal Medicine, Cardiovascular Disease (DO) in Hattiesburg, Mississippi, trained at Nova Southeastern College of Osteo Medicine (class of 1988). In 2024 Medicare paid $530,557 for 3,837 patients, and Part D covered 6,543 of their prescriptions, 85% of them generic. Boston Scientific Corporation was the largest of 6 companies reporting payments in 2025, $107.02 in all, mostly food and beverage.
Overview
| NPI | 1508970211 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 18, 2006 |
| Last updated in NPPES | Jul 20, 2020 |
| Certified by provider | Jul 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 14515 | MS |
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 - Cardiovascular Disease (Cardiology) (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 3,837 |
|---|---|
| Services billed | 8,581 across 72 procedure codes |
| Paid by Medicare | $530,557 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,543 · 13,278 30-day fills |
|---|---|
| Patients | 688 |
| Total drug cost | $758,106 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Nova Southeastern College of Osteo Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Hattiesburg Clinic PAHattiesburg, MS · 537 clinicians
- Forrest County General HospitalHattiesburg, MS · 107 clinicians
- Fgh Physician BillingHattiesburg, MS · 27 clinicians
- Walthall General HospitalTylertown, MS · 8 clinicians
Hospital affiliations
- Forrest General HospitalHattiesburg, MS
- Highland Community HospitalPicayune, MS
- Marion General HospitalColumbia, MS
- South Central Reg Med CtrLaurel, MS
- Walthall County General Hospital CahTylertown, MS
Industry payments (Open Payments)
- 2025$107.02 · 6 payments from 6 companies
- 2024$377.49 · 20 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $24.99 | 1 |
| Exact Sciences Corporation | $17.28 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $16.99 | 1 |
| Stryker Corporation | $16.09 | 1 |
| E.R. Squibb & Sons, L.L.C. | $15.89 | 1 |
What the 2025 payments were for
- Food and Beverage$107.02 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Cardiovascular Disease providers in Mississippi →