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LAWRENCE W CHANG OD
NPI 1750473344
Optometrist in Pasadena, CA

Active since September 29, 2006PECOS Enrolled
477 E COLORADO BLVD, PASADENA, CA 91101(626) 796-1191(626) 796-0189 Get Directions Write a Review

NPPES record last updated: March 24, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Lawrence W Chang Od NPPES

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

LAWRENCE W CHANG OD (NPI 1750473344) is an individual optometrist in Pasadena, California, licensed in California (8207T) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750473344
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameLAWRENCE W CHANGCredential: OD
Location Address477 E COLORADO BLVDPasadena, CA 91101
Mailing AddressPo Box 3622South Pasadena, CA 91031-6622 · (626) 799-6968
Phone(626) 796-1191
Fax(626) 796-0189
Sole ProprietorNo
Enumeration DateSeptember 29, 2006
Last NPPES UpdateMarch 24, 2008
✔ NPI 1750473344 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 · 8207T
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.
477 E COLORADO BLVD, Pasadena, CA 91101
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Other Identifiers 3

Medicare PINWOP8207ACA
MedicaidSD0082070CA
Medicare UPINU32103

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lawrence W 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 91101 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 20

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

DR. BARBARA JILL ARMSTRONG OD
Optometrist
477 E COLORADO BLVD
PASADENA, CA 91101
Los Angeles County (626) 796-1191
TZE YU TUNG
Optometrist
477 E COLORADO BLVD
PASADENA, CA 91101
Los Angeles County (626) 796-1191
DR. CALVIN TAN O.D.
Optometrist
477 E COLORADO BLVD
PASADENA, CA 91101
Los Angeles County (626) 796-1191
THERESA TRAN OD
Optometrist
477 E COLORADO BLVD
PASADENA, CA 91101
Los Angeles County (626) 796-1191
JESSICA CHANG OD
Optometrist
477 E COLORADO BLVD
PASADENA, CA 91101
Los Angeles County (626) 796-1191
PAUL SEIDEL OD
Optometrist
477 E COLORADO BLVD
PASADENA, CA 91101
Los Angeles County (626) 796-1191
DR. MINGLIH EMILY LINDEN OD
Optometrist
477 E COLORADO BLVD
PASADENA, CA 91101
Los Angeles County (626) 796-1191
TOM KIEN WONG OD
Optometrist
477 E COLORADO BLVD
PASADENA, CA 91101
Los Angeles County (626) 796-1191

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 Lawrence Chang's NPI number?

The NPI number for Lawrence Chang is 1750473344. It was assigned to this individual provider in the NPPES registry on September 29, 2006.

Where is Lawrence Chang located?

Lawrence Chang practices at 477 E Colorado Blvd, Pasadena, CA 91101. The listed phone number is (626) 796-1191.

What is Lawrence Chang's specialty?

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

Is Lawrence Chang enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Lawrence Chang was last updated on March 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.