Hans H. Herfarth, MD
NPI 1538246574ActiveIndividual· Internal Medicine, Gastroenterology· Chapel Hill, NC
Internal Medicine, Gastroenterology (MD) with University of North Carolina at Chapel Hill, practicing in Chapel Hill, North Carolina. Their prescriptions cost Medicare Part D more than their services did: $9,498,751 for 1,306 claims, against $23,171 paid for services in 2024. Gilead Sciences, Inc. was the largest of 3 companies reporting payments in 2025, $13,500 in all, mostly consulting fees. Lists Rex Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1538246574 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | — | NC |
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 (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 155 |
|---|---|
| Services billed | 339 across 37 procedure codes |
| Paid by Medicare | $23,171 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,306 · 2,081 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $9,498,751 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- University of North Carolina at Chapel HillChapel Hill, NC · 2,052 clinicians
Hospital affiliations
- Rex HospitalRaleigh, NC
- Unc HospitalsChapel Hill, NC
Industry payments (Open Payments)
- 2025$13,500 · 6 payments from 3 companies
- 2024$17,266 · 16 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $9,750 | 3 |
| Eli Lilly and Company | $3,600 | 2 |
| Biogen, Inc. | $150.00 | 1 |
What the 2025 payments were for
- Consulting Fee$13,500 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 gastroenterologists in Chapel Hill · All gastroenterologists in North Carolina