Alexander Nguyen, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A197053 Issued in CA

Practice address

11500 Brookshire Ave
Downey, CA 90241-4917

Phone

(562) 904-5000

NPI assigned

Mar 30, 2023

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

Family Practice

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pih Health PhysiciansGroup PAC ID 8426951328, 616 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Pih Health Downey Hospital Hospital, Downey, CA, CCN 050393

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: alexandernguyen@pihh.allscriptsdirect.net

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

• Pih Health Physicians

  • Family Medicine Physician
  • Whittier, CA
  • NPI 1609233899
  Medicare reassignment Care Compare group

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

• Pih Health Downey Hospital

  • General Acute Care Hospital
  • Downey, CA
  • NPI 1265433551
  Care Compare affiliation

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

{
    "created_epoch": "1680134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770681600000",
    "number": "1679278766",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11500 BROOKSHIRE AVE",
            "city": "DOWNEY",
            "state": "CA",
            "postal_code": "902414917",
            "telephone_number": "562-904-5000",
            "fax_number": "562-904-5140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11500 BROOKSHIRE AVE",
            "city": "DOWNEY",
            "state": "CA",
            "postal_code": "902414917",
            "telephone_number": "562-904-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "ALEXANDER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-30",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A197053",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hong Uyen Ngo, BCBA
• Jennifer N Ngo
• Paul Huy Ngo, PHARM.D
• Quoc-Tuan Ngo, MD
• Huy Nguy, DMD
• Amy Nguyen, DDS
• Andrew Khoi Nguyen, MD
• Baothu Nguyen, MA, CCC-SLP
• Chau D Nguyen, MD
• Chris Thanh Nguyen

• Family Medicine Physician in Downey, CA
• Providers in Downey, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 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.