John B. Buse, MD
NPI 1336164680ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Chapel Hill, NC
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Chapel Hill, North Carolina, trained at Duke University School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $826,067 for 1,530 claims, against $11,006 paid for services in 2024. Novo Nordisk As was the largest of 8 companies reporting payments in 2025, $87,608 in all, mostly consulting fees.
Overview
| NPI | 1336164680 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 9400739 | NC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 56 |
|---|---|
| Services billed | 248 across 8 procedure codes |
| Paid by Medicare | $11,006 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,530 · 3,762 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $826,067 |
| Generic share | 58% of claims |
Education and affiliations
| Medical school | Duke University School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University of North Carolina at Chapel HillChapel Hill, NC · 2,052 clinicians
Hospital affiliation
- Unc HospitalsChapel Hill, NC
Industry payments (Open Payments)
- 2025$87,608 · 52 payments from 8 companies
- 2024$69,014 · 73 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk As | $25,029 | 10 |
| Astrazeneca Pharmaceuticals LP | $16,616 | 13 |
| Eli Lilly and Company | $11,514 | 3 |
| Recordati_rare_diseases_inc. | $9,136 | 7 |
| Vertex Pharmaceuticals Incorporated | $7,636 | 13 |
What the 2025 payments were for
- Consulting Fee$53,401 · 21 payments
- Travel and Lodging$18,275 · 17 payments
- Honoraria$8,000 · 1 payment
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$6,823 · 3 payments
- Food and Beverage$1,109 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Chapel Hill
- 1578785655
- 1023429966
- 1871827659
- 1508481011
- 1699848416
- 1447323282
- 1922481977
- 1952747966
- 1285828186
- 1396912051
- 1902918949
- 1023711959
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in North Carolina →