Christine J.j. Chao, O.D.
Optometrist · Davis, CA
Christine J.j. Chao, O.D. is an optometrist with a practice address in Davis, California, and NPI 1437125523, issued on Feb 27, 2006. Check the license (California 10612T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christine J.j. Chao
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 10612T CA
Self-reported in NPPES; status is on the state search - Practice location
- 1970 Lake Blvd, Davis, CA 95616
- Phone
- (530) 756-9393
- Enumerated
- Feb 27, 2006
- Record last updated
- Nov 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (530) 756-9398
- Medicare enrollment
- Enrolled (PECOS I20040127001125); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 1995
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1970 Lake Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Davey, A.T.C., C.S.C.S.Athletic Trainer1700849882
Verify Christine J.j. 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 10612TCheck 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: $156.33
3 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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.
Christine J.j. Chao among 8,308 optometrist records in California
Christine J.j. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1995 · median 2008 among the 3,573 with a school on file
- Record last updated2016 · 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).
21 optometrist records list a practice address in Davis
They are 21 of the 1,711 NPPES records with a practice address in Davis, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Davis → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Alex Baker, O.D.Davis, CA 956161427287598
- Dena Davidson, ODDavis, CA 956161629090659
- Melissa Erickson, O.D.Davis, CA 956161730163601
- Huan Guan, O.D.Davis, CA 956161336379247
- Dennis Guerrieri, O.D.Davis, CA 956161366436917
- Joann Helmus, O.D.Davis, CA 956161689656894
- Mark Helmus, O.D.Davis, CA 956161558343905
- Julie Helmus, O.D.Davis, CA 956161376895607
Common questions
What is Christine J.j. Chao, O.D.'s NPI number?
Christine J.j. Chao, O.D.'s National Provider Identifier (NPI) is 1437125523, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christine J.j. Chao, O.D. located?
The NPPES record lists a practice address at 1970 Lake Blvd, Davis, CA, 95616. Phone: (530) 756-9393. Providers update this record themselves, so call before visiting.
How can I verify Christine J.j. Chao, O.D.'s license?
NPPES lists California license number 10612T, 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.