Individual provider Active NPI

Andy Ngoc Truong, M.D.

  • Internal Medicine Physician
  • Fountain Valley, CA
National Provider Identifier
1174583033
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A66251 Issued in CA
Practice address
16027 Brookhurst St
G-135
Fountain Valley, CA 92708-1551
Phone
(714) 323-6446
Fax
(714) 844-9494
NPI assigned
Mar 24, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A66251 CA Primary

Addresses

Primary practice location

16027 Brookhurst St
G-135
Fountain Valley, CA 92708-1551

Mailing address

16027 Brookhurst St
G-135
Fountain Valley, CA 92708-1551
Phone (714) 323-6446

Other identifiers 3

IdentifierTypeStateIssuer
00A662510OtherCACALOPTIMA ID
00A662510MedicaidCA
A66251OtherCACALIFORNIA MED. LICENSE

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20040507000494 CA Practitioner - Internal Medicine 7113916990 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of California, Irvine, California College of Medicine, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Memorialcare Medical FoundationGroup PAC ID 8729277314, 555 clinicians

Practice addresses (Care Compare)

722 Baker St
Costa Mesa, CA 92626-4320
Phone (714) 557-6300

Hospital & facility affiliations

  • Memorialcare Saddleback Medical Center Hospital, Laguna Hills, CA, CCN 050603

Merit-based Incentive Payment System (MIPS)

Final score
87.17 of 100Reported as group
Quality
81.15
Promoting interoperability
100
Improvement activities
40
Cost
71.64

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A66251CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorialcare Medical Foundation Internal Medicine CurrentSince Jan 1, 2014 Accepting new patients
Andy N Truong M.D, Inc. Internal Medicine CurrentSince Jan 1, 2001 Accepting new patients
Children'S Hospital of Orange County Past Accepting new patients
Long Beach Memorial Medical Past Accepting new patients
Bristol Park Medical Group, Inc Internal Medicine Past Accepting new patients
Long Beach Memorial Medical Past Accepting new patients
Orange Coast Memorial Medical Center Past Accepting new patients
Hospitalist Associates of Saddleback PastSince Mar 16, 2005 Accepting new patients

Locations

722 Baker St
Costa Mesa, CA 92626
Phone (714) 557-6300

16027 Brookhurst St
#G135
Fountain Vly, CA 92708
Phone (714) 323-6446

17360 Brookhurst St
Fountain Vly, CA 92708
Phone (657) 241-3592

4050 Barranca Pkwy
Ste 170
Irvine, CA 92604
Phone (949) 551-1090

9302 Bolsa Ave
Westminster, CA 92683
Phone (714) 895-2466

Organizations & group practices 8

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1143158400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1174583033",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16027 BROOKHURST ST",
            "address_2": "G-135",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927081551",
            "telephone_number": "714-323-6446",
            "fax_number": "714-844-9494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16027 BROOKHURST ST",
            "address_2": "G-135",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927081551",
            "telephone_number": "714-323-6446",
            "fax_number": "714-844-9494"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TRUONG",
        "first_name": "ANDY",
        "middle_name": "NGOC",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-24",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A66251",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CALOPTIMA ID",
            "identifier": "00A662510",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A662510",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CALIFORNIA MED. LICENSE",
            "identifier": "A66251",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Fountain Valley, CA

Sources for this page

Verify at the official NPI Registry.