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Internal Medicine

Warren C. Hung, MD

Works at hospitals in Newport Beach, CA · Laguna Hills, CA · California

Summary

Warren C. Hung, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Newport Beach, CA and Laguna Hills, CA. NPI 1770621260. 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 Warren C. Hung, 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
35Years since medical school (graduated 1991)
MaleGender (as listed)

Quick answers

Which hospitals does Warren C. Hung work at?
Medicare's official clinician data lists Warren C. Hung at 2 hospitals: Hoag Memorial Hospital Presbyterian and Memorialcare Saddleback Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Warren C. Hung see patients?
Medicare's clinician data lists 1 practice location in Irvine, CA. Call before your visit to confirm the address.
What is Warren C. Hung's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Warren C. Hung accept Medicare assignment?
Yes. Medicare's clinician data says Warren C. Hung 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 Warren C. Hung?
(949) 559-1496, as listed in official Medicare / NPI Registry data.
What is Warren C. Hung's NPI number?
1770621260. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Warren C. Hung works

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

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Irvine

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

All internal medicine doctors in Irvine →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770621260
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