1. Home
  2. Directory
  3. California
  4. Newport Beach
  5. Optometrist
  6. NPI Profile

DR. SIYI ZHANG OD
NPI 1679251102
Optometrist in Newport Beach, CA

Active since July 05, 2023PECOS EnrolledAccepts Medicare Assignment
4220 VON KARMAN AVE STE 100, NEWPORT BEACH, CA 92660(949) 854-7400(498) 547-3319 Get Directions Write a Review

NPPES record last updated: March 24, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Siyi Zhang Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SIYI ZHANG OD (NPI 1679251102) is an individual optometrist in Newport Beach, California, licensed in California (OPT35548-TLG) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (2023).

NPPES Registry Identity

NPI1679251102
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. SIYI ZHANGCredential: OD
Location Address4220 VON KARMAN AVE STE 100Newport Beach, CA 92660-2056
Mailing Address4220 Von Karman Ave Ste 100Newport Beach, CA 92660-2056 · (498) 547-4009
Phone(949) 854-7400
Fax(498) 547-3319
Sole ProprietorYes
Medical School CMSSouthern California College Of OptometryGraduated 2023
Enumeration DateJuly 5, 2023
Last NPPES UpdateMarch 24, 2024
NPPES CertifiedMarch 24, 2024
✔ NPI 1679251102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · OPT35548-TLG
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
4220 VON KARMAN AVE STE 100, Newport Beach, CA 92660
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Siyi Zhang Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1759745193
PECOS Enrollment IDI20230918003924
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92660 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LISA VAN OD
Optometrist
4220 VON KARMAN AVE STE 100
NEWPORT BEACH, CA 92660
Orange County (949) 431-6344
DR. THUY HUA JUNG O.D.
Optometrist
4220 VON KARMAN AVE STE 100
NEWPORT BEACH, CA 92660
Orange County (949) 854-7400
THOMAS S TOOMA M D A PROFESSIONAL CORPORATION
Ophthalmology
4220 VON KARMAN AVE STE 100
NEWPORT BEACH, CA 92660
Orange County (492) 847-4289

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Siyi Zhang's NPI number?

The NPI number for Siyi Zhang is 1679251102. It was assigned to this individual provider in the NPPES registry on July 5, 2023.

Where is Siyi Zhang located?

Siyi Zhang practices at 4220 Von Karman Ave Ste 100, Newport Beach, CA 92660. The listed phone number is (949) 854-7400.

What is Siyi Zhang's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Siyi Zhang enrolled in Medicare?

Yes. Siyi Zhang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Siyi Zhang was last updated on March 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.