Eileen Yi-Ting Chang, OD
Optometrist · Altadena, CA
Eileen Yi-Ting Chang, OD is an optometrist with a practice address in Altadena, California, and NPI 1952413296, issued on Aug 31, 2006. Check the license (California 10826T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Eileen Yi-Ting Chang
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 10826T CA
Self-reported in NPPES; status is on the state search - Practice location
- 2212 N. Lincoln Ave., Altadena, CA 91001
- Phone
- (626) 296-8416
- Enumerated
- Aug 31, 2006
- Record last updated
- Jul 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- SD0108260 CA
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Eileen Yi-Ting Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 10826TCheck 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: $76.34
1 payment: food and beverage; the largest payer was Tarsus Pharmaceuticals, 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.
Eileen Yi-Ting Chang among 8,308 optometrist records in California
Eileen Yi-Ting Chang, 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 fileNo · 43% of these records are
- Record last updated2010 · 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).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Altadena → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Laura Ahn, O.D.Arcadia, CA 910061518159128
- Zhuo Chen, O.D.Arcadia, CA 910061609189349
- Tiffany Cheung, O.D.Arcadia, CA 910061548642507
- Henry DuongArcadia, CA 910061831508977
- Zarine Gabrielyan, ODArcadia, CA 910061083182398
- Hsing Hsiao, O.DArcadia, CA 910061053575282
- Kendric Kajikawa, O.D.Arcadia, CA 910061588706691
- Randi McMichael, O.D.Arcadia, CA 910061902263742
Common questions
What is Eileen Yi-Ting Chang, OD's NPI number?
Eileen Yi-Ting Chang, OD's National Provider Identifier (NPI) is 1952413296, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eileen Yi-Ting Chang, OD located?
The NPPES record lists a practice address at 2212 N. Lincoln Ave., Altadena, CA, 91001. Phone: (626) 296-8416. Providers update this record themselves, so call before visiting.
How can I verify Eileen Yi-Ting Chang, OD's license?
NPPES lists California license number 10826T, 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.