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DR. EILEEN YI-TING CHANG OD
NPI 1952413296
Optometrist in Altadena, CA

Active since August 31, 2006PECOS Enrolled
2212 N. LINCOLN AVE., ALTADENA, CA 91001(626) 296-8416 Get Directions Write a Review

NPPES record last updated: July 9, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Eileen Yi-ting Chang Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. EILEEN YI-TING CHANG OD (NPI 1952413296) is an individual optometrist in Altadena, California, licensed in California (10826T) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952413296
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. EILEEN YI-TING CHANGCredential: OD
Location Address2212 N. LINCOLN AVE.Altadena, CA 91001
Mailing Address1296 Forest AvePasadena, CA 91103-2426 · (626) 840-0699
Phone(626) 296-8416
Sole ProprietorYes
Enumeration DateAugust 31, 2006
Last NPPES UpdateJuly 9, 2010
✔ NPI 1952413296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in CA · 10826T
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
2212 N. LINCOLN AVE., Altadena, CA 91001
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Other Identifiers 3

Medicare PINOP10826CA
Medicare UPINU67601
MedicaidSD0108260CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Eileen Yi-ting Chang Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

20/10 VISION CARE OPTOMETRY
Optometrist
2212 N. LINCOLN AVE.
ALTADENA, CA 91001
Los Angeles County (626) 296-8416

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Eileen Chang's NPI number?

The NPI number for Eileen Chang is 1952413296. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Eileen Chang located?

Eileen Chang practices at 2212 N. Lincoln Ave., Altadena, CA 91001. The listed phone number is (626) 296-8416.

What is Eileen Chang's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Eileen Chang enrolled in Medicare?

Yes. Eileen Chang is registered in the Medicare PECOS enrollment system.

What insurance does Eileen Chang accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Eileen Chang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Eileen Chang was last updated on July 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.