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Allergy/Immunology

Francis C. Yu, MD

Sees patients in Irvine, CA · California

Summary

Francis C. Yu, MD (Allergy/Immunology) is enrolled with Medicare at 1 practice location in Irvine, CA. NPI 1184651283. 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 Francis C. 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

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
29Years since medical school (graduated 1997)
State University Of New York Downstate Medical CenterMedical school
MaleGender (as listed)

Quick answers

Where does Francis C. Yu see patients?
Medicare's clinician data lists 1 practice location in Irvine, CA. Call before your visit to confirm the address.
What is Francis C. Yu's specialty?
Medicare lists Allergy/Immunology as the primary specialty.
Does Francis C. Yu accept Medicare assignment?
Yes. Medicare's clinician data says Francis C. 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.
Does Francis C. Yu offer telehealth?
Medicare's clinician data says Francis C. Yu offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Francis C. Yu?
(949) 551-1001, as listed in official Medicare / NPI Registry data.
What is Francis C. Yu's NPI number?
1184651283. 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 Francis C. Yu is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Allergy/Immunology doctors in California →

Other allergist and immunologists in Irvine

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

All allergist and immunologists in Irvine →

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1184651283
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