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Radiation Oncology

Kathleen B. Jaffe, MD

Works at hospitals in Greenbrae, CA · California

Summary

Kathleen B. Jaffe, MD (Radiation Oncology) is listed by Medicare at 1 hospital in Greenbrae, CA. NPI 1386031649. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Kathleen B. Jaffe, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
Harvard Medical SchoolMedical school
FemaleGender (as listed)
Marin Cancer Care, Inc.Group practice

Quick answers

Which hospitals does Kathleen B. Jaffe work at?
Medicare's official clinician data lists Kathleen B. Jaffe at 1 hospital: Marinhealth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Kathleen B. Jaffe see patients?
Medicare's clinician data lists 2 practice locations, including Greenbrae, CA. Call before your visit to confirm the address.
What is Kathleen B. Jaffe's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Kathleen B. Jaffe accept Medicare assignment?
Yes. Medicare's clinician data says Kathleen B. Jaffe 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 Kathleen B. Jaffe?
(415) 925-7326, as listed in official Medicare / NPI Registry data.
What is Kathleen B. Jaffe's NPI number?
1386031649. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kathleen B. Jaffe works

Medicare's Facility Affiliation Data lists Kathleen B. Jaffe at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Kathleen B. Jaffe is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Kathleen B. Jaffe as a member of this group (CMS data updated 2026-10-02).

  • Marin Cancer Care, Inc.13 clinicians in the group

Specialties

Find other Radiation Oncology doctors in California →

Other radiation oncologists in Greenbrae

Clinicians with the same Medicare primary specialty in Greenbrae, CA — not a recommendation.

All radiation oncologists in Greenbrae →

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386031649
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians