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

Lee Brett Eisan, MD

Individual provider Internal Medicine Physician · NPI 1871674333

Lee Brett Eisan, MD is an Internal Medicine in Danville, California. Graduated from Irvine California College of Medicine in 1977, 49 years ago. Offers telehealth. Licensed in California.

Years since qualifying
49
Trained at
Irvine California College of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

907 San Ramon Valley Blvd Ste # 102
Danville, CA 94526
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 00G37664 (CA)

Record details

NPI number1871674333
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 18, 2006
Last updated in NPPESJuly 8, 2007
Mailing address907 San Ramon Valley Blvd # 102, Suite # 102, Danville, CA 94526

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolIRVINE CALIFORNIA COLLEGE OF MEDICINE
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

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