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Internal Medicine

Winston Chung, MD

Works at hospitals in Long Beach, CA · Orange, CA · California

Summary

Winston Chung, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Long Beach, CA and Orange, CA. NPI 1851322085. 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 Winston Chung, 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
YesOffers telehealth
34Years since medical school (graduated 1992)
Loyola University Of Chicago, Stritch School Of MedicineMedical school
MaleGender (as listed)
Prohealth Partners, a Medical GroupGroup practice

Quick answers

Which hospitals does Winston Chung work at?
Medicare's official clinician data lists Winston Chung at 2 hospitals: Memorialcare Long Beach Medical Center and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Winston Chung see patients?
Medicare's clinician data lists 1 practice location in Los Alamitos, CA. Call before your visit to confirm the address.
What is Winston Chung's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Winston Chung accept Medicare assignment?
Yes. Medicare's clinician data says Winston Chung 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 Winston Chung offer telehealth?
Medicare's clinician data says Winston Chung offers telehealth services. Ask the office which visits can be done by video or phone.
What is Winston Chung's NPI number?
1851322085. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Winston Chung works

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

  • 3801 Katella AveLos Alamitos, CA 90720

Group practices

Medicare enrollment lists Winston Chung as a member of this group (CMS data updated 2026-10-02).

  • Prohealth Partners, a Medical Group239 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Los Alamitos

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

All internal medicine doctors in Los Alamitos →

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1851322085
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