Leon A. Yasay Jr., MD
NPI 1295719250ActiveIndividual· Internal Medicine· Orange Park, FL
Internal Medicine (MD) in Orange Park, Florida, trained at University of Tennessee, Hsc, College of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $981,436 for 10,512 claims, against $219,549 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $1,123 in all, mostly food and beverage.
Overview
| NPI | 1295719250 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 2, 2005 |
| Last updated in NPPES | Aug 12, 2021 |
| Certified by provider | Aug 12, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME69763 | FL |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 579 |
|---|---|
| Services billed | 3,778 across 66 procedure codes |
| Paid by Medicare | $219,549 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,512 · 24,846 30-day fills |
|---|---|
| Patients | 605 |
| Total drug cost | $981,436 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Millennium Physician Group LLCJacksonville, FL · 982 clinicians
Hospital affiliations
- Ascension St Vincent's Clay CountyMiddleburg, FL
- Ascension St Vincent's RiversideJacksonville, FL
- Baptist Health Medical Center - JacksonvilleJacksonville, FL
- Ed Fraser Memorial HospitalMacclenny, FL
- HCA Florida Orange Park HospitalOrange Park, FL
Other facilities
- Baptist Home Health Care By BayadaHome health agency · Jacksonville, FL
- Brooks Rehabilitation Home HealthHome health agency · Jacksonville, FL
- Concierge Home CareHome health agency · Orange Park, FL
- Brooks Rehabilitation Hospital University CampusInpatient rehabilitation facility · Jacksonville, FL
Industry payments (Open Payments)
- 2025$1,123 · 64 payments from 14 companies
- 2024$1,430 · 79 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $224.36 | 17 |
| Lilly USA, LLC | $129.79 | 8 |
| Novo Nordisk Inc | $108.11 | 5 |
| Abbott Laboratories | $100.66 | 5 |
| Exact Sciences Corporation | $100.61 | 6 |
What the 2025 payments were for
- Food and Beverage$1,123 · 64 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 76 internal medicine physicians in Orange Park · All internal medicine physicians in Florida