William Li-Goon Fan, M.D.
NPI 1902884000ActiveIndividual· Internal Medicine, Nephrology· Raleigh, NC
Internal Medicine, Nephrology (M.D.) in Raleigh, North Carolina, trained at University of North Carolina at Chapel Hill School of Medicine (class of 1999). In 2024 Medicare paid $97,576 for 433 patients, and Part D covered 840 of their prescriptions, 85% of them generic. Amgen Inc. was the largest of 18 companies reporting payments in 2025, $1,490 in all, mostly food and beverage.
Overview
| NPI | 1902884000 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 9, 2006 |
| Last updated in NPPES | Jan 27, 2025 |
| Certified by provider | Jan 27, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 200200682 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 433 |
|---|---|
| Services billed | 1,332 across 23 procedure codes |
| Paid by Medicare | $97,576 |
Part D prescriptions in 2024
| Prescriptions (claims) | 840 · 1,610 30-day fills |
|---|---|
| Patients | 162 |
| Total drug cost | $65,574 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- North Carolina Nephrology PASmithfield, NC · 58 clinicians
Hospital affiliations
- Duke University HospitalDurham, NC
- Johnston HealthSmithfield, NC
- Rex HospitalRaleigh, NC
- Wakemed, Raleigh CampusRaleigh, NC
- Wilson Medical CenterWilson, NC
Other facilities
- Fresenius Kidney Care East JohnstonDialysis facility · Selma, NC
Industry payments (Open Payments)
- 2025$1,490 · 72 payments from 18 companies
- 2024$1,188 · 54 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $225.00 | 11 |
| Bayer Healthcare Pharmaceuticals Inc. | $185.84 | 9 |
| Fresenius USA Marketing, Inc. | $163.37 | 11 |
| Calliditas Therapeutics US Inc. | $138.05 | 5 |
| Novartis Pharmaceuticals Corporation | $118.21 | 5 |
What the 2025 payments were for
- Food and Beverage$1,490 · 72 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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