Quick answers
- Which hospitals does Lee B. Eisan work at?
- Medicare's official clinician data lists Lee B. Eisan at 1 hospital: San Ramon Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lee B. Eisan see patients?
- Medicare's clinician data lists 1 practice location in Danville, CA. Call before your visit to confirm the address.
- What is Lee B. Eisan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Lee B. Eisan accept Medicare assignment?
- Medicare's clinician data says Lee B. Eisan may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Lee B. Eisan offer telehealth?
- Medicare's clinician data says Lee B. Eisan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Lee B. Eisan?
- (925) 837-7409, as listed in official Medicare / NPI Registry data.
- What is Lee B. Eisan's NPI number?
- 1871674333. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lee B. Eisan works
Medicare's Facility Affiliation Data lists Lee B. Eisan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- San Ramon Regional Medical CenterSan Ramon, CA · Acute Care Hospital · CCN 050689
Practice locations
Addresses where Lee B. Eisan is enrolled with Medicare (CMS data updated 2026-10-02).
- 903 San Ramon Valley BlvdDanville, CA 94526 (925) 837‑7409
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Danville
Clinicians with the same Medicare primary specialty in Danville, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Irvine California College Of Medicine |
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1871674333 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians