Ray Quy, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A197555 Issued in CA

Practice address

101 The City Dr S Ste 400
Orange, CA 92868-3201

Phone

(714) 456-5691

NPI assigned

Mar 21, 2023

Last updated

Apr 11, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

University of South Florida College of Medicine, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Regents of the University of California-IrvineGroup PAC ID 3971609611, 116 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uci Health-Orange Hospital, Orange, CA, CCN 050348

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• The Regents of the University of California-Irvine

  dba UC Irvine Hospitalist Program

  • Hospitalist Physician
  • Orange, CA
  • NPI 1154479723
  Medicare reassignment Care Compare group

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• University of California Irvine

  dba University of California Irvine - Cac Urgent Care

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  dba Uci Health

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1679356800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775865600000",
    "number": "1598467607",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1233 S MEEKER AVE",
            "city": "WEST COVINA",
            "state": "CA",
            "postal_code": "917902524",
            "telephone_number": "626-715-7543"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S STE 400",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-5691"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "QUY",
        "first_name": "RAY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-21",
        "last_updated": "2026-04-11",
        "certification_date": "2026-04-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A197555",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Freddy Juan Quiroz
• Isis Quiroz
• Marrey Ruby Laxa Quizon, MD
• Sarah Quon
• Sanah Qureshi, CRNA
• Doan Phuong Quynh, PHARMD
• R. Kelly DDS, Inc.
• R. William Buster, M.D. and Associates
• R.a.C. Orange, LP (ActivCare Orange)
• R.E. Mayer, D.D.S., P.C.

• Internal Medicine Physician in Orange, CA
• Providers in Orange, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.