Quick answers
- Where does Peter Eisenberg see patients?
- Medicare's clinician data lists 1 practice location in Greenbrae, CA. Call before your visit to confirm the address.
- What is Peter Eisenberg's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Hematology.
- Does Peter Eisenberg accept Medicare assignment?
- Yes. Medicare's clinician data says Peter Eisenberg accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Peter Eisenberg?
- (415) 925-5000, as listed in official Medicare / NPI Registry data.
- What is Peter Eisenberg's NPI number?
- 1205937646. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Peter Eisenberg is enrolled with Medicare (CMS data updated 2026-10-02).
- 1350 S Eliseo Dr, Suite 200Greenbrae, CA 94904 (415) 925‑5000
Group practices
Medicare enrollment lists Peter Eisenberg as a member of this group (CMS data updated 2026-10-02).
- Marin Cancer Care, Inc.13 clinicians in the group
Specialties
- Medical Oncologyprimary
- Hematologyalso
Other oncologists in Greenbrae
Clinicians with the same Medicare primary specialty in Greenbrae, CA — not a recommendation.
Clinician information
| Medical school | Hahneman Medical College Of The Pacific |
|---|---|
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205937646 |
| 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
- 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