WINNIE SHIH-WEN CHAO O.D.
NPI 1245657188
Optometrist in Fremont, CA

Active since March 27, 2014PECOS EnrolledAccepts Medicare Assignment
3200 KEARNEY ST, FREMONT, CA 94538(510) 498-2857 Get Directions Write a Review

NPPES record last updated: April 26, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 26, 2024, Dec 16, 2015 (2 updates tracked since 2015).

About Winnie Shih-wen Chao O.d. NPPES

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

WINNIE SHIH-WEN CHAO O.D. (NPI 1245657188) is an individual optometrist in Fremont, California, licensed in California (OPT 15025 TLG) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Newark, and is a graduate of University Of California - School Of Optometry (2014).

NPPES Registry Identity

NPI1245657188
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameWINNIE SHIH-WEN CHAOCredential: O.D.
Location Address3200 KEARNEY STFremont, CA 94538-2299
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (510) 498-2857 · Fax (510) 793-6052
Sole ProprietorNo
Medical School CMSUniversity Of California - School Of OptometryGraduated 2014
Enumeration DateMarch 27, 2014
Last NPPES UpdateApril 26, 20242 updates tracked since enumeration
NPPES CertifiedApril 26, 2024
NPI 1245657188 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 · OPT 15025 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.
3200 KEARNEY ST, Fremont, CA 94538

Secondary Practice Location 1

Location 135104 Newark BlvdNewark, CA 94560-1220 · Phone (510) 793-4023

Accepted Insurance

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

Winnie Shih-wen Chao O.d. 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 ID5991003907
PECOS Enrollment IDI20160407000648
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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 20

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
3200 KEARNEY ST
FREMONT, CA 94538
Orthopaedic Surgery (Hand Surgery)
3200 KEARNEY ST
FREMONT, CA 94538
Audiologist-Hearing Aid Fitter
3200 KEARNEY ST
FREMONT, CA 94538
Pediatrics
3200 KEARNEY ST
FREMONT, CA 94538
Podiatrist
3200 KEARNEY ST
FREMONT, CA 94538
Otolaryngology (Plastic Surgery within the Head & Neck)
3200 KEARNEY ST
FREMONT, CA 94538
Emergency Medicine (Pediatric Emergency Medicine)
3200 KEARNEY ST
FREMONT, CA 94538
Pediatrics
3200 KEARNEY ST
FREMONT, CA 94538

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 Winnie Chao's NPI number?

The NPI number for Winnie Chao is 1245657188. It was assigned to this individual provider in the NPPES registry on March 27, 2014.

Where is Winnie Chao located?

Winnie Chao practices at 3200 Kearney St, Fremont, CA 94538. The listed phone number is (510) 498-2857.

What is Winnie Chao's specialty?

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

Is Winnie Chao enrolled in Medicare?

Yes. Winnie Chao 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.

What insurance does Winnie Chao accept?

Health plans from Providence Health Plan list Winnie Chao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Winnie Chao was last updated on April 26, 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.