Doctor profile · Federal record
Dr. Fan Zhang, MD
Medical Oncology Physician (CMS: Medical Oncology) · Hematology & Oncology Physician · Santa Rosa, CA
- NPI 1619051695
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
401 Bicentennial Way
Santa Rosa, CA 954032149
(707) 571-4000 - Mailing address
-
1800 Harrison St Fl 7
Oakland, CA 946123466
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- March 5, 2026
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State licenses (2)
- California #81734 · California #A81734
- Medicaid
- CA #00A817340
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619051695. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$80
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| E.R. Squibb & Sons, L.L.C. | 1 | $80.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
877
Patients
220
Total drug cost
$3,126,264
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 178 | 56 | $4,531 |
| Abiraterone Acetate | Generic | 83 | 13 | $12,663 |
| Xtandi (Enzalutamide) | Brand | 79 | 0 | $917,871 |
| Prednisone | Generic | 56 | 22 | $526 |
| Lorazepam | Generic | 55 | 14 | $378 |
| Hydroxyurea | Generic | 52 | 17 | $2,267 |
| Lenalidomide | Generic | 51 | 0 | $551,706 |
| Nivestym (Filgrastim-Aafi) | Brand | 48 | 11 | $23,137 |
| Dexamethasone | Generic | 45 | 29 | $1,829 |
| Jakafi (Ruxolitinib Phosphate) | Brand | 45 | 0 | $568,691 |
Frequently asked questions
What is Dr. Fan Zhang's medical specialty?
Dr. Fan Zhang practices Medical Oncology Physician in Santa Rosa, CA.
Where does Dr. Fan Zhang practice?
Dr. Fan Zhang practices at 401 Bicentennial Way, Santa Rosa, CA 954032149. Office phone: 7075714000.
What is Dr. Fan Zhang's NPI?
Dr. Fan Zhang's National Provider Identifier (NPI) is 1619051695, issued by NPPES.
Does Dr. Fan Zhang accept Medicare assignment?
Yes. Dr. Fan Zhang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.