Phu Thien Nguyen, D.O.

Primary specialty

General Practice PhysicianTaxonomy code 208D00000X

License

20A7161 Issued in CA

Practice address

12555 Garden Grove Blvd
Suite 301
Garden Grove, CA 92843-1902

Phone

(714) 741-0501

Fax

(714) 741-0095

NPI assigned

Jul 8, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Obstetrics/Gynecology

Education

College of Osteo Med of the Pacific at Pomona, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uci Health-Orange Hospital, Orange, CA, CCN 050348

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: pnguyen@gardengrovewh.direct.emds.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.

• Garden Grove Women's Health Specialists, Inc.

  • Obstetrics & Gynecology Physician
  • Garden Grove, CA
  • NPI 1396960563
  Medicare reassignment Authorized official
• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  NPD (past)

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

• University of California Irvine

  dba University of California Irvine - Cac Urgent Care

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1518739309

  Hospital

  Care Compare affiliation
• University of California Irvine

  dba Uci Health

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1689608150
  Care Compare affiliation

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

{
    "created_epoch": "1120780800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1386642866",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12555 GARDEN GROVE BLVD",
            "address_2": "SUITE 301",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928431902",
            "telephone_number": "714-741-0501",
            "fax_number": "714-741-0095"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12555 GARDEN GROVE BLVD",
            "address_2": "SUITE 301",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928431902",
            "telephone_number": "714-741-0501",
            "fax_number": "714-741-0095"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "PHU",
        "middle_name": "THIEN",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-08",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "CA",
            "license": "20A7161",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00AX71610",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Olivia Nguyen, DDS
• Olivia Nguyen
• Paul Hoa Nguyen, PH.D., L.AC.
• Paula Phuong Nguyen
• Pauline Le Nguyen
• Phuong Nguyen
• Phuong Hoang Nguyen, NP
• Phuong Thanh Nguyen, MEDICAL PROVIDER
• Quan Thai Nguyen
• Quang Minh Nguyen, ACSW, PPSC

• General Practice Physician in Garden Grove, CA
• Providers in Garden Grove, CA by specialty
• General Practice Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 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.