William Y. Kim, MD
NPI 1235159906ActiveIndividual· Internal Medicine, Hematology & Oncology· Chapel Hill, NC
Internal Medicine, Hematology & Oncology (MD) in Chapel Hill, North Carolina, trained at Warren Alpert Medical School of Brown University (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $151,518 for 55 claims, against $6,599 paid for services in 2024. Merck Sharp & Dohme LLC reported $25.70 in payments in 2025, mostly education.
Overview
| NPI | 1235159906 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 19, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | — | 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 - Hematology/Oncology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 35 |
|---|---|
| Services billed | 96 across 13 procedure codes |
| Paid by Medicare | $6,599 |
Part D prescriptions in 2024
| Prescriptions (claims) | 55 · 97 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $151,518 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Hematology/Oncology |
| 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$25.70 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $25.70 | 1 |
What the 2025 payments were for
- Education$25.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hematologist-oncologists in Chapel Hill
- 1053366294
- 1154563260
- 1174797344
- 1174935431
- 1235221524
- 1265688493
- 1285796615
- 1326432733
- 1376577130
- 1528167749
- 1558700633
- 1568539658
All 50 hematologist-oncologists in Chapel Hill · All hematologist-oncologists in North Carolina