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Gastroenterology

You-Jen Chou, MD

Works at hospitals in Newport Beach, CA · Fountain Valley, CA · Murrieta, CA · California

Summary

You-Jen Chou, MD (Gastroenterology) is listed by Medicare at 3 hospitals in Newport Beach, CA, Fountain Valley, CA and Murrieta, CA. NPI 1104070887. 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 You-Jen Chou, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
18Years since medical school (graduated 2008)
Boston University School Of MedicineMedical school
MaleGender (as listed)
City of Hope Medical FoundationGroup practice (+1 more)

Quick answers

Which hospitals does You-Jen Chou work at?
Medicare's official clinician data lists You-Jen Chou at 3 hospitals: Hoag Memorial Hospital Presbyterian, Memorialcare Orange Coast Medical Center and Southwest Healthcare Rancho Springs Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does You-Jen Chou see patients?
Medicare's clinician data lists 3 practice locations, including Irvine, CA and Huntington Beach, CA. Call before your visit to confirm the address.
What is You-Jen Chou's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does You-Jen Chou accept Medicare assignment?
Yes. Medicare's clinician data says You-Jen Chou 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 You-Jen Chou offer telehealth?
Medicare's clinician data says You-Jen Chou offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for You-Jen Chou?
(949) 671-4673, as listed in official Medicare / NPI Registry data.
What is You-Jen Chou's NPI number?
1104070887. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where You-Jen Chou works

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

Group practices

Medicare enrollment lists You-Jen Chou as a member of these groups (CMS data updated 2026-10-02).

  • City of Hope Medical Foundation982 clinicians in the group
  • United Medical Doctors173 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Irvine

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

All gastroenterologists in Irvine →

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year2008
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1104070887
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