DR. GERALD ALAN GELLIN MD
NPI 1407827405
Dermatology in San Francisco, CA
About Dr. Gerald Alan Gellin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GERALD ALAN GELLIN MD (NPI 1407827405) is an individual dermatology provider in San Francisco, California, licensed in California (C20774) and active in the NPI registry since January 2006.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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.
SAN FRANCISCO, CA 94118
SAN FRANCISCO, CA 94118
SAN FRANCISCO, CA 94118
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 Gerald Gellin's NPI number?
The NPI number for Gerald Gellin is 1407827405. It was assigned to this individual provider in the NPPES registry on January 28, 2006.
Where is Gerald Gellin located?
Gerald Gellin practices at 3838 California St Suite 805, San Francisco, CA 94118. The listed phone number is (415) 668-2400.
What is Gerald Gellin's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
When was this NPI record last updated?
The NPPES record for Gerald Gellin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.