Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Louis K Chang, MD, PHD

Individual provider Ophthalmology Physician · NPI 1538295720

Dr. Louis K Chang, MD, PHD is an Ophthalmology in Los Angeles, California. Graduated from University of Washington School of Medicine in 2003, 23 years ago. Practices with Northern California Retina Vitreous Associates Medical Group, Inc, a 7-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Trained at
University of Washington School of Medicine
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

100 Stein Plz
Los Angeles, CA 90095-7065
Phone: (310) 473-8878
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence A91494 (CA)

Record details

NPI number1538295720
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedFebruary 24, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Northern California Retina Vitreous Associates Medical Group, Inc. — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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