Alexander Chuong Nguyen, D.O.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

20A14372 Issued in CA

Practice address

11 Technology Dr
Irvine, CA 92618-2302

Phone

(949) 923-3200

NPI assigned

Apr 28, 2014

Last updated

Jan 4, 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 2

Addresses

Other names 1

• Alex Chuong Nguyen Other name

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

Touro Un Col of Osteopathic Medicine, Henderson, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Superior Hospitalist Medical Group IncGroup PAC ID 1456650928, 75 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence St. Jude Medical Center Hospital, Fullerton, CA, CCN 050168
• Martin Luther King, Jr. Community Hospital Hospital, Los Angeles, CA, CCN 050779

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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.

• Providence Medical Foundation

  • Family Medicine Physician
  • Brea, CA
  • NPI 1871607762
  Medicare reassignment Care Compare group NPD
• Superior Hospitalist Medical Group Inc

  • Hospitalist Physician
  • Los Angeles, CA
  • NPI 1780047712

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Providence Medical Foundation

  • General Practice Physician
  • Diamond Bar, CA
  • NPI 1285890624
  NPD
• Providence Medical Foundation

  • Family Medicine Physician
  • Mission Viejo, CA
  • NPI 1427305960
  NPD
• Providence Medical Foundation

  • Family Medicine Physician
  • Anaheim, CA
  • NPI 1639715709
  NPD
• Anaheim Memorial Medical Center

  • General Acute Care Hospital
  • Anaheim, CA
  • NPI 1295782381
  NPD (past)
• St Jude Hospital Inc

  dba Providence St. Jude Medical Center

  • General Acute Care Hospital
  • Fullerton, CA
  • NPI 1194926279
  NPD (past)

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

• Martin Luther King, Jr. - Los Angeles (MLK-la) Healthcare Corporation

  dba Martin Luther King, Jr. Community Hospital

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1114367497
  Care Compare affiliation
• St Jude Hospital Inc

  dba Providence St. Jude Medical Center

  • General Acute Care Hospital
  • Fullerton, CA
  • NPI 1194926279
  Care Compare affiliation
• St Jude Hospital Inc

  dba Providence St. Jude Medical Center

  • General Acute Care Hospital
  • Brea, CA
  • NPI 1891904942
  Care Compare affiliation

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

{
    "created_epoch": "1398643200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767484800000",
    "number": "1265842470",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11 TECHNOLOGY DR",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926182302",
            "telephone_number": "949-923-3200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1880 N Orange Grove Ave",
            "address_purpose": "LOCATION",
            "city": "Pomona",
            "state": "CA",
            "postal_code": "917673006",
            "country_code": "US",
            "telephone_number": "909-630-7158",
            "fax_number": "909-630-7983",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 E Valencia Mesa Dr",
            "address_purpose": "LOCATION",
            "city": "Fullerton",
            "state": "CA",
            "postal_code": "928353813",
            "country_code": "US",
            "telephone_number": "714-447-5027",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9920 Talbert Ave",
            "address_purpose": "LOCATION",
            "city": "Fountain Valley",
            "state": "CA",
            "postal_code": "927085153",
            "country_code": "US",
            "telephone_number": "714-378-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1680 E 120th St",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900593026",
            "country_code": "US",
            "telephone_number": "424-338-8000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1798 N Garey Ave",
            "address_purpose": "LOCATION",
            "city": "Pomona",
            "state": "CA",
            "postal_code": "917672918",
            "country_code": "US",
            "telephone_number": "909-865-7251",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "ALEXANDER",
        "middle_name": "CHUONG",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-04-28",
        "last_updated": "2026-01-04",
        "certification_date": "2026-01-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "20A14372",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "20A14372",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALEX",
            "last_name": "NGUYEN",
            "middle_name": "CHUONG",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Michelle Ngu, AMFT
• Nguyen Counseling and Consulting, Inc
• Aiden Khang Nguyen, PHARMD
• Alex Tuan Dam Nguyen
• Alexander Nguyen, NP
• Alice Nguyen
• Amanda Nguyen
• Amanda Nguyen
• An Nguyen
• Andrea Nguyen, PA-C

• Hospitalist Physician in Irvine, CA
• Providers in Irvine, CA by specialty
• Hospitalist Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 4, 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.