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

Lee Brett Eisan MD Inc

Organization Internal Medicine Physician · NPI 1891093670

Lee Brett Eisan MD Inc is an Internal Medicine Physician in Danville, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

907 San Ramon Valley Blvd #102
Danville, CA 94526-4036
Phone: (925) 837-7409
Fax: (925) 837-5821
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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 G37664 (CA)

Record details

NPI number1891093670
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Lee Eisan — President · (925) 837-7409
NPI enumeratedMarch 3, 2011
Last updated in NPPESMarch 3, 2011
Mailing address907 San Ramon Valley Blvd, 102, Danville, CA 94526-4036

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