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Internal Medicine

Aida Sun, MD

Works at hospitals in Santa Clara, CA · California

Summary

Aida Sun, MD (Internal Medicine) is listed by Medicare at 1 hospital in Santa Clara, CA. NPI 1629311162. 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 Aida 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
University Of California, San Diego School Of MedicineMedical school
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Which hospitals does Aida Sun work at?
Medicare's official clinician data lists Aida Sun at 1 hospital: Kaiser Foundation Hospital-Santa Clara. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aida Sun see patients?
Medicare's clinician data lists 2 practice locations, including Santa Clara, CA. Call before your visit to confirm the address.
What is Aida Sun's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Aida Sun accept Medicare assignment?
Yes. Medicare's clinician data says Aida 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 Aida Sun?
(408) 851-1000, as listed in official Medicare / NPI Registry data.
What is Aida Sun's NPI number?
1629311162. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aida Sun works

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

Group practices

Medicare enrollment lists Aida 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 Internal Medicine doctors in California →

Other internal medicine doctors in Santa Clara

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

All internal medicine doctors in Santa Clara →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629311162
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