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

Margaret Amy Chang, MD

Individual provider Ophthalmology Physician · NPI 1477504405

Margaret Amy Chang, MD is an Ophthalmology in Sacramento, California. Graduated from University of Missouri, Columbia School of Medicine in 2002, 24 years ago. Practices with Vitreo-Retinal Medical Group, Inc, a 21-clinician group and accepts Medicare assignment. Licensed in California and Maryland.

Years since qualifying
24
Trained at
University of Missouri, Columbia School of Medicine
Licensed in
CA, MD
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3939 J St Ste 106
Sacramento, CA 95819-3631
Phone: (916) 454-4861
Fax: (916) 454-3603
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Retina Specialist (Ophthalmology) Physician (primary) Taxonomy 207WX0107X · Licence A103453 (CA)
Ophthalmology Physician Taxonomy 207W00000X · Licence D64111 (MD)

Record details

NPI number1477504405
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 15, 2006
Last updated in NPPESApril 2, 2017

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Vitreo-Retinal Medical Group, Inc. — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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