Doctor profile · Federal record

Dr. Siyi Zhang, OD

Optometrist (CMS: Optometry) · Newport Beach, CA

  • NPI 1679251102
  • Accepts Medicare
  • 3 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4220 von Karman Ave Ste 100
Newport Beach, CA 926602056
(949) 854-7400
fax (498) 547-3319

Credentials & registration

NPPES · NUCC
NPI registered
July 2023 — 3 yrs on file
Profile last updated
March 24, 2024
Year of graduation
2023 — 3 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #OPT35548-TLG

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679251102. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$983
Transactions
36
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Tarsus Pharmaceuticals, Inc. 7 $268.04
Mallinckrodt Hospital Products Inc. 13 $199.16
Harrow Eye, LLC 1 $125.00
Oyster Point Pharma, Inc. 5 $124.67
Dompe US, Inc. 3 $93.80
Bausch & Lomb Americas Inc. 3 $67.76
Alcon Vision LLC 2 $46.12
Glaukos Corporation 1 $30.68
ABBVIE INC. 1 $27.46

By nature of payment

Food and Beverage
$983

Frequently asked questions

Auto-generated from federal data
What is Dr. Siyi Zhang's medical specialty?
Dr. Siyi Zhang practices Optometrist in Newport Beach, CA.
Where does Dr. Siyi Zhang practice?
Dr. Siyi Zhang practices at 4220 von Karman Ave Ste 100, Newport Beach, CA 926602056. Office phone: 9498547400.
What is Dr. Siyi Zhang's NPI?
Dr. Siyi Zhang's National Provider Identifier (NPI) is 1679251102, issued by NPPES.
Does Dr. Siyi Zhang accept Medicare assignment?
Yes. Dr. Siyi Zhang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.