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

John A. Lenahan, MD, Inc

Organization Dermatology Physician · NPI 1336413061

John A. Lenahan, MD, Inc is a Dermatology Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2012.

Licensed in
CA
In the registry since
2012
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

595 Buckingham Way Ste 404
San Francisco, CA 94132-1912
Phone: (415) 665-1180
Fax: (415) 665-9350
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence G15296 (CA)

Record details

NPI number1336413061
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Lenahan — Physician · (415) 665-1180
NPI enumeratedFebruary 27, 2012
Last updated in NPPESFebruary 27, 2012
Mailing address595 Buckingham Way Ste 404, San Francisco, CA 94132-1912

Other providers in San Francisco