Doctor profile · Federal record
Dr. David Fan, MD
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Walnut Creek, CA
- NPI 1619596152
- Accepts Medicare
- 6 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
320 Lennon Ln Bldg 3
Walnut Creek, CA 945982419
(925) 906-2015 - Mailing address
-
3050 del Hombre Ln Apt 549
Walnut Creek, CA 945972366
Credentials & registration
- NPI registered
- April 2020 — 6 yrs on file
- Profile last updated
- June 24, 2025
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- California #A176237
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619596152. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$249
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $124.99 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $124.50 |
By nature of payment
Frequently asked questions
What is Dr. David Fan's medical specialty?
Dr. David Fan practices Allergy & Immunology Physician in Walnut Creek, CA.
Where does Dr. David Fan practice?
Dr. David Fan practices at 320 Lennon Ln Bldg 3, Walnut Creek, CA 945982419. Office phone: 9259062015.
What is Dr. David Fan's NPI?
Dr. David Fan's National Provider Identifier (NPI) is 1619596152, issued by NPPES.
Does Dr. David Fan accept Medicare assignment?
Yes. Dr. David Fan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.