Vivien Chan, OD
Optometrist · Pasadena, CA
Vivien Chan, OD is an optometrist with a practice address in Pasadena, California, and NPI 1679685911, issued on Aug 31, 2006. Check the license (California 7158T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Vivien Chan
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 7158T CA
Self-reported in NPPES; status is on the state search - Practice location
- 477 E Colorado Blvd, Pasadena, CA 91101
- Phone
- (626) 796-1191
- Enumerated
- Aug 31, 2006
- Record last updated
- Jun 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (626) 798-0189
- Medicaid ID
- SD0071580 CA
- Medicare enrollment
- Enrolled (PECOS I20101215000548); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 1981
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 477 E Colorado Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angineh Almasi, O.D.Optometrist1760788632
- Barbara Armstrong, ODOptometrist1023120367
- Daniela BaumannOptometrist1982232146
- Christie Chan, ODOptometrist1669584900
- Jessica Chang, ODOptometrist1063524304
- Lawrence Chang, ODOptometrist1750473344
Verify Vivien Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 7158TCheck 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: $2,236.75
41 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, 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
- Linden Optometry A Professional CorporationPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vivien Chan among 8,308 optometrist records in California
Vivien Chan, OD 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
- Graduated1981 · median 2008 among the 3,573 with a school on file
- Record last updated2019 · 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).
90 optometrist records list a practice address in Pasadena
They are 90 of the 10,525 NPPES records with a practice address in Pasadena, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Pasadena → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Barbara Armstrong, ODPasadena, CA 911011023120367
- Christie Chan, ODPasadena, CA 911011669584900
- Jessica Chang, ODPasadena, CA 911011063524304
- Andrew Gore, O.D.Pasadena, CA 911011376513259
- Brenda Lien, ODPasadena, CA 911011285746420
- Tracy Mayo, ODPasadena, CA 911011497867733
- Barnett Parks, ODPasadena, CA 911011447362686
- Steven Rex, O.D.Pasadena, CA 911011669575197
Common questions
What is Vivien Chan, OD's NPI number?
Vivien Chan, OD's National Provider Identifier (NPI) is 1679685911, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Vivien Chan, OD located?
The NPPES record lists a practice address at 477 E Colorado Blvd, Pasadena, CA, 91101. Phone: (626) 796-1191. Providers update this record themselves, so call before visiting.
How can I verify Vivien Chan, OD's license?
NPPES lists California license number 7158T, 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.