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Pediatric Medicine

David S. Chun, MD

Sees patients in Placentia, CA · Fountain Valley, CA · Orange, CA · California

Summary

David S. Chun, MD (Pediatric Medicine) is enrolled with Medicare at 3 practice locations in Placentia, CA, Fountain Valley, CA and Orange, CA. NPI 1629096789. 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 David S. Chun, 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

Pediatric MedicinePrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
University Of California, San Diego School Of MedicineMedical school
MaleGender (as listed)
Memorialcare Medical FoundationGroup practice (+1 more)

Quick answers

Where does David S. Chun see patients?
Medicare's clinician data lists 3 practice locations, including Placentia, CA, Fountain Valley, CA and Orange, CA. Call before your visit to confirm the address.
What is David S. Chun's specialty?
Medicare lists Pediatric Medicine as the primary specialty, and also Cardiovascular Disease (Cardiology).
Does David S. Chun accept Medicare assignment?
Yes. Medicare's clinician data says David S. Chun 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 David S. Chun?
(714) 445-0228, as listed in official Medicare / NPI Registry data.
What is David S. Chun's NPI number?
1629096789. 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 David S. Chun is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists David S. Chun as a member of these groups (CMS data updated 2026-10-02).

  • Memorialcare Medical Foundation566 clinicians in the group
  • Pacific Cardiovascular Associates Medical Group, Inc.23 clinicians in the group

Specialties

Find other Pediatric Medicine doctors in California →

Other pediatricians in California

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

All pediatricians in California →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629096789
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