Jason Dale Hallman, MD
NPI 1518182153ActiveIndividual· Internal Medicine, Gastroenterology· Gainesville, FL
Internal Medicine, Gastroenterology (MD) in Gainesville, Florida, trained at Wayne State University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $480,478 for 914 claims, against $89,617 paid for services in 2024. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $79.29 in all, mostly food and beverage.
Overview
| NPI | 1518182153 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 17, 2007 |
| Last updated in NPPES | Sep 8, 2020 |
| Certified by provider | Sep 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | ME112798 | FL |
| Internal Medicine | 207R00000X | LP00956 | RI |
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 - Gastroenterology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 539 |
|---|---|
| Services billed | 831 across 31 procedure codes |
| Paid by Medicare | $89,617 |
Part D prescriptions in 2024
| Prescriptions (claims) | 914 · 1,591 30-day fills |
|---|---|
| Patients | 212 |
| Total drug cost | $480,478 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Gastroenterology |
Medical group
- Digestive Disease AssociatesGainesville, FL · 27 clinicians
Hospital affiliations
- HCA Florida Lake City HospitalLake City, FL
- HCA Florida North Florida HospitalGainesville, FL
Industry payments (Open Payments)
- 2025$79.29 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $38.11 | 2 |
| Madrigal Pharmaceuticals | $30.60 | 1 |
| Phathom Pharmaceuticals, Inc. | $10.58 | 1 |
What the 2025 payments were for
- Food and Beverage$79.29 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 61 gastroenterologists in Gainesville · All gastroenterologists in Florida