Karen H. Chao, O.D.
Optometrist · San Gabriel, CA
Karen H. Chao, O.D. is an optometrist with a practice address in San Gabriel, California, and NPI 1013953108, issued on Jun 20, 2006. Check the license (California OPT 10301 TPA, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen H. Chao
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT 10301 TPA CA
Self-reported in NPPES; status is on the state search - Practice location
- 121 S Del Mar Ave, San Gabriel, CA 91776
- Phone
- (626) 287-0401
- Enumerated
- Jun 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (626) 287-1457
- Medicaid ID
- SD0103010 CA
- Medicare enrollment
- Enrolled (PECOS I20090922000492); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1994
- Entity
- Type 1 · individual
Verify Karen H. 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 10301 TPACheck 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: $252.84
4 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
- Sixth Optometric Care OF California PCSan Gabriel, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
30 optometrist records list a practice address in San Gabriel
They are 30 of the 762 NPPES records with a practice address in San Gabriel, and 8,308 optometrist records in California.
All 30 in San Gabriel → All 8,308 in California → Every provider in San Gabriel →
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Karen H. Chao, O.D.'s NPI number?
Karen H. Chao, O.D.'s National Provider Identifier (NPI) is 1013953108, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen H. Chao, O.D. located?
The NPPES record lists a practice address at 121 S Del Mar Ave, San Gabriel, CA, 91776. Phone: (626) 287-0401. Providers update this record themselves, so call before visiting.
How can I verify Karen H. Chao, O.D.'s license?
NPPES lists California license number OPT 10301 TPA, 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.