Ngoc Giao Thi Nguyen, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A203446 Issued in CA

Practice address

27231 La Paz Rd Ste a
Laguna Niguel, CA 92677-3627

Phone

(949) 643-9111

Fax

(949) 643-8916

NPI assigned

Apr 27, 2020

Sex

Female

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 TX, CA2 enrollments

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 2

Specialty

Family Practice

Education

Michigan State University College of Human Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Memorial Hermann Medical GroupGroup PAC ID 7012008360, 760 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Mission Hospital Hospital, Mission Viejo, CA, CCN 050567
• Memorial Hermann - Texas Medical Center Hospital, Houston, TX, CCN 450068

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: nnguyen66432@memorialhermann.direct-ci.com

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.

• Providence Medical Foundation

  • Family Medicine Physician
  • Brea, CA
  • NPI 1871607762
  Medicare reassignment Care Compare group NPD
• Memorial Hermann Medical Group

  • Family Medicine Physician
  • Fulshear, TX
  • NPI 1003985102
  Medicare reassignment Care Compare group NPD
• Providence Medical Foundation

  • Family Medicine Physician
  • Anaheim, CA
  • NPI 1639715709
  NPD

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

• Mission Hospital Regional Medical Center

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1912108002
  Care Compare affiliation
• Mission Hospital Regional Medical Center

  • General Acute Care Hospital
  • Mission Viejo, CA
  • NPI 1992752315
  Care Compare affiliation
• Memorial Hermann Health System

  • Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
  • Houston, TX
  • NPI 1437189115

  Hospital

  Care Compare affiliation
• Memorial Hermann Health System

  • General Acute Care Hospital
  • Houston, TX
  • NPI 1982666111
  Care Compare affiliation

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

{
    "created_epoch": "1587945600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1306466735",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "27700 NORTHWEST FWY STE 601",
            "city": "CYPRESS",
            "state": "TX",
            "postal_code": "774337202",
            "telephone_number": "346-231-6850",
            "fax_number": "346-231-6851"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "27231 LA PAZ RD STE A",
            "city": "LAGUNA NIGUEL",
            "state": "CA",
            "postal_code": "926773627",
            "telephone_number": "949-643-9111",
            "fax_number": "949-643-8916"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "27700 Northwest Fwy Ste 601",
            "address_purpose": "LOCATION",
            "city": "Cypress",
            "state": "TX",
            "postal_code": "774337202",
            "country_code": "US",
            "telephone_number": "346-231-6850",
            "fax_number": "346-231-6851",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "NGOC GIAO",
        "middle_name": "THI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-27",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A203446",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alan Huy Nguyen, DDS
• Brian T Nguyen, PHARM.D.
• Katie P Nguyen
• Michael Luan Phuong Nguyen, DDS
• Nathan Francesco Dzuy Nguyen, DDS
• Phuong Mai Nguyen, PHARM .D
• Quan Minh Kenny Nguyen
• Thuy Nguyen
• William D Nguyen, D.D.S., M.S.D.
• Nicole Gerth

• Family Medicine Physician in Laguna Niguel, CA
• Providers in Laguna Niguel, 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 Jan 7, 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.