Individual provider Active NPI

Hung Quan, MD

  • Internal Medicine Physician
  • Garden Grove, CA
National Provider Identifier
1639263023
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A53594 Issued in CA
Practice address
9191 Westminster Ave
Garden Grove, CA 92844-2751
Phone
(714) 899-2000
NPI assigned
Oct 3, 2006
Last updated
Sep 29, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 95326 NM
Internal Medicine Physician 207R00000X A53594 CA Primary

Addresses

Primary practice location

9191 Westminster Ave
Garden Grove, CA 92844-2751

Mailing address

9191 Westminster Ave
Garden Grove, CA 92844-2751
Phone (714) 899-2000

Other identifiers 1

IdentifierTypeStateIssuer
F2819MedicaidNM

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20161109000983 CA Practitioner - Internal Medicine 4486795309 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
53594CAMDDentist
A53594CAMDInternal Medicine Physician
95326NMMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Optumcare New Mexico LLC Past Accepting new patients
Southern California Vein & Wound Care Center Inc. PastSince Nov 20, 2022 Accepting new patients

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1159833600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1639263023",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9191 WESTMINSTER AVE",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928442751",
            "telephone_number": "714-899-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9191 WESTMINSTER AVE",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928442751",
            "telephone_number": "714-899-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "QUAN",
        "first_name": "HUNG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-03",
        "last_updated": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NM",
            "license": "95326",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A53594",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "F2819",
            "state": "NM"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Garden Grove, CA

Sources for this page

Verify at the official NPI Registry.