Winnie Shih-Wen Chao, O.D.
Optometrist · Fremont, CA
Winnie Shih-Wen Chao, O.D. is an optometrist with a practice address in Fremont, California, and NPI 1245657188, issued on Mar 27, 2014. Check the license (California OPT 15025 TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Winnie Shih-Wen Chao
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT 15025 TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 3200 Kearney St, Fremont, CA 94538
- Phone
- (510) 498-2857
- Enumerated
- Mar 27, 2014
- Record last updated
- Apr 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20160407000648); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2014
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 3200 Kearney St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jia Afnan, PAPhysician Assistant1376763698
- Jessica Aldaz, FNPFamily Nurse Practitioner1740467174
- Neha AnandFamily Medicine Physician1477810836
- Lauren Auerbach, MDEmergency Medicine Physician1033678990
- Ritika Aulakh, D.OFamily Medicine Physician1346335072
- Rupal Badani, M.D.Pediatrics Physician1598857765
Verify Winnie Shih-Wen Chao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT 15025 TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $18.32
1 payment: food and beverage; the largest payer was Oyster Point Pharma, Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Winnie Shih-Wen Chao among 8,308 optometrist records in California
Winnie Shih-Wen Chao, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 68% of them.
- NPI issued2014 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2014 · median 2008 among the 3,573 with a school on file
- Record last updated2024 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
75 optometrist records list a practice address in Fremont
They are 75 of the 4,749 NPPES records with a practice address in Fremont, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Fremont → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Harry Chan, O.D.Fremont, CA 945381750331237
- Deborah Chew, ODFremont, CA 945381821057951
- Sara Chiu, O.D.Fremont, CA 945381982701595
- Victor Gin, ODFremont, CA 945381972562098
- Brian Gin, O.D.Fremont, CA 945381902813322
- Robert Halupka, ODFremont, CA 945381821187956
- Katherine Harano, O.D.Fremont, CA 945381417947110
- Virginia Ko, O.D.Fremont, CA 945381982792651
Common questions
What is Winnie Shih-Wen Chao, O.D.'s NPI number?
Winnie Shih-Wen Chao, O.D.'s National Provider Identifier (NPI) is 1245657188, issued on Mar 27, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Winnie Shih-Wen Chao, O.D. located?
The NPPES record lists a practice address at 3200 Kearney St, Fremont, CA, 94538. Phone: (510) 498-2857. Providers update this record themselves, so call before visiting.
How can I verify Winnie Shih-Wen Chao, O.D.'s license?
NPPES lists California license number OPT 15025 TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.