Duongthuy Chau, MD, DC

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A197431 Issued in CA

Practice address

12942 Harbor Blvd
Garden Grove, CA 92840-5809

Phone

(714) 705-2120

Fax

(714) 705-8139

NPI assigned

Feb 1, 2013

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 names 1

• Nancy-Duong Chau Professional 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

Family Practice

Education

Other, 2022

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence St. Joseph Hospital Hospital, Orange, CA, CCN 050069

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: dchau4062086@oc.providencedirect.org

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
• Emanate Health Medical Care Foundation

  • Multi-Specialty Clinic/Center
  • West Covina, CA
  • NPI 1467195073
  Medicare reassignment NPD
• Providence Medical Foundation

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

  • Family Medicine Physician
  • Anaheim, CA
  • NPI 1609925957
  NPD
• Providence Medical Foundation

  • Family Medicine Physician
  • Anaheim, CA
  • NPI 1639715709
  NPD
• Rosas Chiropractic Inc

  • Chiropractor
  • Huntington Beach, CA
  • NPI 1013258714
  NPD

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

• St Joseph Hospital of Orange

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1912982216
  Care Compare affiliation
• St. Joseph Hospital of Orange

  • General Acute Care Hospital
  • Orange, CA
  • NPI 1558575746
  Care Compare affiliation

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

{
    "created_epoch": "1359676800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759363200000",
    "number": "1154660710",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12942 HARBOR BLVD",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928405809",
            "telephone_number": "714-705-2120",
            "fax_number": "714-705-8139"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12942 HARBOR BLVD",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928405809",
            "telephone_number": "714-705-2120",
            "fax_number": "714-705-8139"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1135 Sunset Ave",
            "address_2": "Suite 401",
            "address_purpose": "LOCATION",
            "city": "West Covina",
            "state": "CA",
            "postal_code": "91790",
            "country_code": "US",
            "telephone_number": "626-732-8390",
            "fax_number": "714-962-6432",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHAU",
        "first_name": "DUONGTHUY",
        "name_prefix": "Dr.",
        "credential": "MD, DC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-02-01",
        "last_updated": "2025-10-02",
        "certification_date": "2025-10-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A197431",
            "primary": true
        },
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "CA",
            "license": "32458",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "NANCY-DUONG",
            "last_name": "CHAU",
            "credential": "MD,DC",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Amelie Charles
• Hayan Charlston, DOM, LAC
• Chatterbugs Speech Pathology, Inc.
• An Chau, PHARMD
• Crystal Chau
• Nhi Chau
• Tammy Kaia Chau
• Tran Bao Chau
• Vincent Chau
• Ibrahim J Chaudhry

• Family Medicine Physician in Garden Grove, CA
• Providers in Garden Grove, 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 Oct 2, 2025; 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.