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

Joseph Demer, MD

Individual provider Ophthalmology Physician · NPI 1710900535

Joseph Demer, MD is an Ophthalmology in Los Angeles, California. Graduated from Johns Hopkins University School of Medicine in 1983, 43 years ago. Practices with Jules Stein Eye Institute Medical Group, a 117-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
43
Trained at
Johns Hopkins University School of Medicine
Licensed in
CA
In the registry since
2006
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

200 Stein Plz Ste 3-310
Los Angeles, CA 90095-0001
Phone: (310) 825-5931
Fax: (310) 206-7826
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence A43662 (CA)

Record details

NPI number1710900535
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 25, 2006
Last updated in NPPESJanuary 23, 2020
Certification dateJanuary 23, 2020

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Jules Stein Eye Institute Medical Group — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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