Doctor profile · Federal record
Dr. Xiaoyan Zhang, MD
Ophthalmology Physician (CMS: Ophthalmology) · San Francisco, CA
- NPI 1891873402
- Accepts Medicare
- 42 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2200 Ofarrell St
San Francisco, CA 941153357
(415) 833-2000 - Mailing address
-
1800 Harrison St Fl 7
Oakland, CA 946123466
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- December 22, 2021
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #A66946
- Medicaid
- CA #00A669460
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891873402. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$747
Transactions
13
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 4 | $173.79 | |
| ANI Pharmaceuticals, Inc. | 6 | $156.87 | |
| Sight Sciences, Inc. | 1 | $145.25 | |
| Bausch & Lomb Americas Inc. | 1 | $139.28 | |
| Regeneron Pharmaceuticals, Inc. | 1 | $131.43 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,614
Patients
990
Total drug cost
$215,906
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisolone Acetate | Generic | 731 | 237 | $72,537 |
| Latanoprost | Generic | 531 | 205 | $7,010 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 517 | 183 | $12,346 |
| Brimonidine Tartrate | Generic | 238 | 99 | $8,650 |
| Dorzolamide Hcl | Generic | 171 | 62 | $4,435 |
| Ofloxacin | Generic | 123 | 93 | $1,853 |
| Vyzulta (Latanoprostene Bunod) | Brand | 119 | 45 | $76,256 |
| Timolol Maleate | Generic | 60 | 21 | $811 |
| Rhopressa (Netarsudil Mesylate) | Brand | 44 | 21 | $27,563 |
| Diclofenac Sodium | Generic | 23 | 12 | $676 |
Hospital affiliations
Frequently asked questions
What is Dr. Xiaoyan Zhang's medical specialty?
Dr. Xiaoyan Zhang practices Ophthalmology Physician in San Francisco, CA.
Where does Dr. Xiaoyan Zhang practice?
Dr. Xiaoyan Zhang practices at 2200 Ofarrell St, San Francisco, CA 941153357. Office phone: 4158332000.
What is Dr. Xiaoyan Zhang's NPI?
Dr. Xiaoyan Zhang's National Provider Identifier (NPI) is 1891873402, issued by NPPES.
Does Dr. Xiaoyan Zhang accept Medicare assignment?
Yes. Dr. Xiaoyan Zhang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.