Jason Aaron Hannegan, M.D.
NPI 1104846104ActiveIndividual· Internal Medicine· Baton Rouge, LA
Internal Medicine (M.D.) in Baton Rouge, Louisiana, trained at Louisiana State University School of Medicine in New Orleans (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $50,755 for 478 claims, against $25,307 paid for services in 2024. Atricure, Inc. was the largest of 2 companies reporting payments in 2025, $131.79 in all, mostly food and beverage.
Overview
| NPI | 1104846104 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Mar 23, 2021 |
| Certified by provider | Mar 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 025460 | LA |
| Hospitalist | 208M00000X | 025460 | LA |
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 (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 318 across 8 procedure codes |
| Paid by Medicare | $25,307 |
Part D prescriptions in 2024
| Prescriptions (claims) | 478 · 530 30-day fills |
|---|---|
| Patients | 217 |
| Total drug cost | $50,755 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Louisiana State University School of Medicine in New Orleans |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
Medical group
- Our Lady of the Lake Physician Group LLCBaton Rouge, LA · 644 clinicians
Hospital affiliation
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
Industry payments (Open Payments)
- 2025$131.79 · 2 payments from 2 companies
- 2024$55.64 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Atricure, Inc. | $112.08 | 1 |
| Kestra Medical Technology Services, Inc. | $19.71 | 1 |
What the 2025 payments were for
- Food and Beverage$131.79 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 312 internal medicine physicians in Baton Rouge · All internal medicine physicians in Louisiana