Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Tom S. Chang MD, Inc

Organization Ophthalmology Physician · NPI 1568491827

Tom S. Chang MD, Inc is an Ophthalmology Physician in Pasadena, California. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

800 Fairmount Ave Ste 312
Pasadena, CA 91105-3150
Phone: (626) 568-8838
Fax: (626) 583-8838
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X

Record details

NPI number1568491827
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Adam Martidis — Managing Partner · (626) 568-8838
NPI enumeratedJune 30, 2006
Last updated in NPPESAugust 22, 2020
Mailing address800 Fairmount Ave, Suite 312, Pasadena, CA 91105-3150

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