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Internal Medicine

Ray Quy, MD

Works at hospitals in Orange, CA · California

Summary

Ray Quy, MD (Internal Medicine) is listed by Medicare at 1 hospital in Orange, CA. NPI 1598467607. 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 Ray Quy, 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
3Years since medical school (graduated 2023)
University Of South Florida College Of MedicineMedical school
MaleGender (as listed)
The Regents of the University of California-IrvineGroup practice

Quick answers

Which hospitals does Ray Quy work at?
Medicare's official clinician data lists Ray Quy at 1 hospital: UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ray Quy see patients?
Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
What is Ray Quy's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Ray Quy accept Medicare assignment?
Yes. Medicare's clinician data says Ray Quy 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 Ray Quy?
(714) 456-7890, as listed in official Medicare / NPI Registry data.
What is Ray Quy's NPI number?
1598467607. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ray Quy works

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

Group practices

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

  • The Regents of the University of California-Irvine125 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Orange

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

All internal medicine doctors in Orange →

Clinician information

CredentialMD
Medical schoolUniversity Of South Florida College Of Medicine
Graduation year2023
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598467607
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