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Radiation Oncology

Jennifer Chang, MD

Works at hospitals in Greenbrae, CA · Novato, CA · San Francisco, CA · California

Summary

Jennifer Chang, MD (Radiation Oncology) is listed by Medicare at 3 hospitals in Greenbrae, CA, Novato, CA and San Francisco, CA. NPI 1346535044. 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 Jennifer Chang, 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
YesOffers telehealth
15Years since medical school (graduated 2011)
Harvard Medical SchoolMedical school
FemaleGender (as listed)
Marin Cancer Care, Inc.Group practice

Quick answers

Which hospitals does Jennifer Chang work at?
Medicare's official clinician data lists Jennifer Chang at 3 hospitals: Marinhealth Medical Center, Novato Community Hospital and UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jennifer Chang see patients?
Medicare's clinician data lists 1 practice location in Greenbrae, CA. Call before your visit to confirm the address.
What is Jennifer Chang's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Jennifer Chang accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer Chang 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.
Does Jennifer Chang offer telehealth?
Medicare's clinician data says Jennifer Chang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jennifer Chang?
(415) 925-7326, as listed in official Medicare / NPI Registry data.
What is Jennifer Chang's NPI number?
1346535044. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jennifer Chang works

Medicare's Facility Affiliation Data lists Jennifer Chang 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 Jennifer Chang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jennifer Chang 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 year2011
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1346535044
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