Farn Chan, MD
NPI 1417164476ActiveIndividual· Internal Medicine, Medical Oncology· Woodbridge, VA
Internal Medicine, Medical Oncology (MD) with American Oncology Partners PA, practicing in Woodbridge, Virginia. In 2024 Medicare paid $3,323,853 for 475 patients, and Part D covered 1,686 of their prescriptions, 67% of them generic. Janssen Biotech, Inc. was the largest of 59 companies reporting payments in 2025, $5,211 in all, mostly food and beverage. Lists Inova Fairfax Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1417164476 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 17, 2007 |
| Last updated in NPPES | Jan 12, 2023 |
| Certified by provider | Jan 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 0101248817 | VA |
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 - Hematology/Oncology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 475 |
|---|---|
| Services billed | 183,172 across 111 procedure codes |
| Paid by Medicare | $3,323,853 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,686 · 2,586 30-day fills |
|---|---|
| Patients | 204 |
| Total drug cost | $4,659,967 |
| Generic share | 67% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- American Oncology Partners PAFort Wayne, IN · 391 clinicians
Hospital affiliations
- Inova Fairfax HospitalFalls Church, VA
- Sentara Northern Virginia Medical CenterWoodbridge, VA
Industry payments (Open Payments)
- 2025$5,211 · 201 payments from 59 companies
- 2024$4,794 · 201 payments from 53 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $479.99 | 15 |
| Novartis Pharmaceuticals Corporation | $334.95 | 14 |
| Celgene Corporation | $247.88 | 4 |
| Astrazeneca Pharmaceuticals LP | $232.73 | 9 |
| Pfizer Inc. | $213.02 | 9 |
What the 2025 payments were for
- Food and Beverage$5,199 · 200 payments
- Education$12.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Medical Oncology providers in Woodbridge
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All Internal Medicine, Medical Oncology providers in Virginia →