Loan Thi Ho Ngo, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A37821 Issued in CA

Practice address

14571 Magnolia St
Suite 105
Westminster, CA 92683-5574

Phone

(714) 892-1313

Fax

(714) 891-8799

NPI assigned

May 17, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

Practice roles

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.

• Joseph Nguyen DO Inc

  • Family Medicine Physician
  • Westminster, CA
  • NPI 1366717084
  NPD (past)
• Pih Health Good Samaritan Hospital

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1508859323
  NPD (past)
• St Joseph Hospital of Orange

  dba Providence St. Joseph Hospital

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1912982216
  NPD (past)

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

{
    "created_epoch": "1147824000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1386696144",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14571 MAGNOLIA ST",
            "address_2": "SUITE 105",
            "city": "WESTMINSTER",
            "state": "CA",
            "postal_code": "926835574",
            "telephone_number": "714-892-1313",
            "fax_number": "714-891-8799"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14571 MAGNOLIA ST",
            "address_2": "SUITE 105",
            "city": "WESTMINSTER",
            "state": "CA",
            "postal_code": "926835574",
            "telephone_number": "714-892-1313",
            "fax_number": "714-891-8799"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGO",
        "first_name": "LOAN",
        "middle_name": "THI HO",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-17",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A37821",
            "primary": true
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "A37821",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A378210",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Dean Ba Ngo, MD
• Hanh Ngo, DDS
• Jason Ngo, PT, DPT
• Jonathan Ngo
• Kim Xuyen Thi Ngo
• Nancy Hanh Ngo, PHARMD
• Quan Ngo
• Tam Thanh Ngo, DDS
• Tan Dinh Ngo, M.D.
• Thanh CHI Ngo, DDS

• Internal Medicine Physician in Westminster, CA
• Providers in Westminster, 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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.