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Otolaryngology

Jimmy J. Sun, MD

Works at hospitals in Riverside, CA · Orange, CA · California

Summary

Jimmy J. Sun, MD (Otolaryngology) is listed by Medicare at 2 hospitals in Riverside, CA and Orange, CA. NPI 1073590907. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jimmy J. 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

OtolaryngologyPrimary specialty
May acceptAccepts Medicare assignment
28Years since medical school (graduated 1998)
Columbia University College Of Physicians And SurgeonsMedical school
MaleGender (as listed)
Riverside Medical Clinic IncGroup practice

Quick answers

Which hospitals does Jimmy J. Sun work at?
Medicare's official clinician data lists Jimmy J. Sun at 2 hospitals: Parkview Community Hospital Medical Center and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jimmy J. Sun see patients?
Medicare's clinician data lists 3 practice locations, including Placentia, CA and Riverside, CA. Call before your visit to confirm the address.
What is Jimmy J. Sun's specialty?
Medicare lists Otolaryngology as the primary specialty, and also Plastic and Reconstructive Surgery.
Does Jimmy J. Sun accept Medicare assignment?
Medicare's clinician data says Jimmy J. Sun may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Jimmy J. Sun?
(714) 637-1900, as listed in official Medicare / NPI Registry data.
What is Jimmy J. Sun's NPI number?
1073590907. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jimmy J. Sun works

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

Group practices

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

  • Riverside Medical Clinic Inc173 clinicians in the group

Specialties

Find other Otolaryngology doctors in California →

Other ENT doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All ENT doctors in California →

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year1998
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1073590907
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