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Medical Oncology

Fangdi Sun, MD

Works at hospitals in Stanford, CA · California

Summary

Fangdi Sun, MD (Medical Oncology) is listed by Medicare at 1 hospital in Stanford, CA. NPI 1861996175. 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 Fangdi Sun, 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

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
8Years since medical school (graduated 2018)
Harvard Medical SchoolMedical school
FemaleGender (as listed)
Stanford Health CareGroup practice

Quick answers

Which hospitals does Fangdi Sun work at?
Medicare's official clinician data lists Fangdi Sun at 1 hospital: Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Fangdi Sun see patients?
Medicare's clinician data lists 1 practice location in Stanford, CA. Call before your visit to confirm the address.
What is Fangdi Sun's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
Does Fangdi Sun accept Medicare assignment?
Yes. Medicare's clinician data says Fangdi Sun 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 Fangdi Sun offer telehealth?
Medicare's clinician data says Fangdi Sun offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Fangdi Sun?
(650) 723-4000, as listed in official Medicare / NPI Registry data.
What is Fangdi Sun's NPI number?
1861996175. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Fangdi Sun works

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

Group practices

Medicare enrollment lists Fangdi Sun as a member of this group (CMS data updated 2026-10-02).

  • Stanford Health Care3,122 clinicians in the group

Specialties

Find other Medical Oncology doctors in California →

Other oncologists in Stanford

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

All oncologists in Stanford →

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1861996175
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