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

James Y Greenberg, MD, a Professional Corporation

Organization Internal Medicine Physician · NPI 1003993247

James Y Greenberg, MD, a Professional Corporation is an Internal Medicine Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006

Practice location Address checks out

2299 Post St Ste 205
San Francisco, CA 94115-3473
Phone: (415) 474-7955
Fax: (415) 292-0718
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A55519 (CA)

Record details

NPI number1003993247
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official James Greenberg — President · (415) 474-7955
NPI enumeratedNovember 1, 2006
Last updated in NPPESDecember 3, 2012
Mailing address1730 16th Ave, San Francisco, CA 94122-4538

Other providers in San Francisco