Doctor profile · Federal record
Dr. James Chen, DO
Allergy & Immunology Physician (CMS: Allergy/Immunology) · San Francisco, CA
- NPI 1891870119
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6850 Geary Blvd
San Francisco, CA 941211604
(415) 751-6800
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- December 8, 2021
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- California #20A8279
- Medicaid
- CA #00AX82790
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891870119. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$59
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| DePuy Synthes Sales INC. | 2 | $59.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
313
Patients
60
Total drug cost
$63,333
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Fluticasone Propionate | Generic | 42 | 15 | $707 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 35 | 11 | $19,930 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 33 | 11 | $11,825 |
| Tradjenta (Linagliptin) | Brand | 26 | 0 | $6,830 |
| Azelastine Hcl | Generic | 25 | 0 | $470 |
| Jardiance (Empagliflozin) | Brand | 25 | 0 | $7,411 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 21 | 12 | $428 |
| Eliquis (Apixaban) | Brand | 21 | 0 | $5,887 |
| Prednisone | Generic | 17 | 0 | $212 |
| Alvesco (Ciclesonide) | Brand | 16 | 0 | $2,992 |
Frequently asked questions
What is Dr. James Chen's medical specialty?
Dr. James Chen practices Allergy & Immunology Physician in San Francisco, CA.
Where does Dr. James Chen practice?
Dr. James Chen practices at 6850 Geary Blvd, San Francisco, CA 941211604. Office phone: 4157516800.
What is Dr. James Chen's NPI?
Dr. James Chen's National Provider Identifier (NPI) is 1891870119, issued by NPPES.
Does Dr. James Chen accept Medicare assignment?
Yes. Dr. James Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.