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

Emergency Medicine

Charles K. Yu, MD

Sees patients in San Clemente, CA · California

Summary

Charles K. Yu, MD (Emergency Medicine) is enrolled with Medicare at 1 practice location in San Clemente, CA. NPI 1164809620. 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 Charles K. Yu, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
University Of California, Geffen School Of MedicineMedical school
MaleGender (as listed)
Health Diagnostics of California a Professional CorporationGroup practice

Quick answers

Where does Charles K. Yu see patients?
Medicare's clinician data lists 1 practice location in San Clemente, CA. Call before your visit to confirm the address.
What is Charles K. Yu's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Charles K. Yu accept Medicare assignment?
Yes. Medicare's clinician data says Charles K. Yu 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 Charles K. Yu?
(949) 506-5316, as listed in official Medicare / NPI Registry data.
What is Charles K. Yu's NPI number?
1164809620. 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 Charles K. Yu is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Charles K. Yu as a member of this group (CMS data updated 2026-10-02).

  • Health Diagnostics of California a Professional Corporation183 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in San Clemente

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

All emergency medicine doctors in San Clemente →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164809620
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