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

Ronald Bernard Elkin, MD a Medical Corporation

Organization Pulmonary Disease Physician · NPI 1427301886

Ronald Bernard Elkin, MD a Medical Corporation is a Pulmonary Disease Physician in San Francisco, California. Registered with an NPI since 2012.

In the registry since
2012

Practice location Address checks out

2100 Webster St Ste 314
San Francisco, CA 94115-2373
Phone: (415) 331-8390
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X

Record details

NPI number1427301886
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Marsha Summers — Ceo · (415) 331-8390
NPI enumeratedOctober 23, 2012
Last updated in NPPESMarch 12, 2013
Mailing address175 N Redwood Dr, Suite 275, San Rafael, CA 94903-1972

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