Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Siyi Zhang, OD

Individual provider Optometrist · NPI 1679251102

Dr. Siyi Zhang, OD is an Optometry in Newport Beach, California. Graduated from Southern California College of Optometry in 2023, 3 years ago. Practices with Thomas S Tooma M D a Professional Corporation, a 31-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
3
Trained at
Southern California College of Optometry
Licensed in
CA
In the registry since
2023
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

4220 Von Karman Ave Ste 100
Newport Beach, CA 92660-2056
Phone: (949) 854-7400
Fax: (498) 547-3319
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT35548-TLG (CA)

Record details

NPI number1679251102
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedJuly 5, 2023
Last updated in NPPESMarch 24, 2024
Certification dateMarch 24, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Graduated 2023 (3 years in practice)
Group practice Thomas S Tooma M D A Professional Corporation — 31 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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