Chiann-Wen Yang, O.D.
Optometrist · San Jose, CA
Chiann-Wen Yang, O.D. is an optometrist with a practice address in San Jose, California, and NPI 1053430553, issued on Mar 28, 2007. Check the license (California OPT 11985 TPL, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chiann-Wen Yang
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- OPT 11985 TPL CA
OPC 3754 FL
OPT002035 GA
Self-reported in NPPES; status is on the state search - Practice location
- 5630 Cottle Road, San Jose, CA 95123
- Phone
- (408) 227-1681
- Enumerated
- Mar 28, 2007
- Record last updated
- Mar 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (408) 227-1681
- Medicare enrollment
- Enrolled (PECOS I20170403001062); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Chiann-Wen Yang 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 11985 TPLCheck 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: $140.00
2 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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
- Pei-Chen Hsieh OD IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chiann-Wen Yang among 8,308 optometrist records in California
Chiann-Wen Yang, 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2002 · median 2008 among the 3,573 with a school on file
- Record last updated2014 · 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).
207 optometrist records list a practice address in San Jose
They are 207 of the 20,925 NPPES records with a practice address in San Jose, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in San Jose → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Roberta Baker, ODSan Jose, CA 951231770646952
- Marilyn BurnsSan Jose, CA 951231619024817
- Valery DobrushinSan Jose, CA 951231760586374
- David Duzmal, O.D.San Jose, CA 951231487719340
- William Hyatt, O.D.San Jose, CA 951231366463192
- Guity Jam, ODSan Jose, CA 951231598817843
- Karen Kallmann, O.D.San Jose, CA 951231114999588
- Lisa Ko, O.D.San Jose, CA 951231316967391
Common questions
What is Chiann-Wen Yang, O.D.'s NPI number?
Chiann-Wen Yang, O.D.'s National Provider Identifier (NPI) is 1053430553, issued on Mar 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Chiann-Wen Yang, O.D. located?
The NPPES record lists a practice address at 5630 Cottle Road, San Jose, CA, 95123. Phone: (408) 227-1681. Providers update this record themselves, so call before visiting.
How can I verify Chiann-Wen Yang, O.D.'s license?
NPPES lists California license number OPT 11985 TPL, 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.