Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hematology/Oncology

Jason T. Sun, MD

Sees patients in Redwood City, CA · California

Summary

Jason T. Sun, MD (Hematology/Oncology) is enrolled with Medicare at 1 practice location in Redwood City, CA. NPI 1790906188. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jason T. 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
22Years since medical school (graduated 2004)
New York Medical CollegeMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Jason T. Sun see patients?
Medicare's clinician data lists 1 practice location in Redwood City, CA. Call before your visit to confirm the address.
What is Jason T. Sun's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Jason T. Sun accept Medicare assignment?
Yes. Medicare's clinician data says Jason T. 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.
What is the phone number for Jason T. Sun?
(650) 299-2000, as listed in official Medicare / NPI Registry data.
What is Jason T. Sun's NPI number?
1790906188. 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 Jason T. Sun is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in California →

Other hematologist-oncologists in Redwood City

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

All hematologist-oncologists in Redwood City →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790906188
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians