NPIMap

Individual provider Active NPI

Linda Anh Bui Nguyen, M.D.

  • Gastroenterology Physician
  • Newport Beach, CA
National Provider Identifier
1750303152
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A75033 Issued in CA
Practice address
500 Superior Ave Ste 100
Newport Beach, CA 92663-3660
Phone
(949) 764-7569
Fax
(949) 764-7568
NPI assigned
Jul 24, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X A75033 CA Primary

Addresses

Primary practice location

500 Superior Ave Ste 100
Newport Beach, CA 92663-3660

Mailing address

500 Superior Ave Ste 100
Newport Beach, CA 92663-3660
Phone (949) 764-7569

Other identifiers 1

IdentifierTypeStateIssuer
00A750330MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050928001214 CA Practitioner - GastroenterologyPractitioner - Internal Medicine 5294760229 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
University of California, Geffen School of Medicine, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Hoag ClinicGroup PAC ID 3274872064, 447 clinicians

Practice addresses (Care Compare)

500 Superior Ave
Suite 315
Newport Beach, CA 92663-3660
Phone (949) 764-8191

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.53 of 100Reported as group
Quality
87.08
Promoting interoperability
100
Improvement activities
40
Cost
69.51

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Upper gastrointestinal (GI) endoscopy for acid reflux54

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A75033CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hoag Clinic CurrentSince Jan 1, 2026 Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
Lucile Salter Packard Children'S Hospital at Stanford Past Accepting new patients

Locations

500 Superior Ave
Ste 100
Newport Beach, CA 92663
Phone (949) 706-3300

500 Superior Ave
Ste 315
Newport Beach, CA 92663
Phone (949) 764-7277

1031 Avenida Pico
Ste 204
San Clemente, CA 92673
Phone (949) 829-5533

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/10944/brand/3/csg/1/fhir/r4
  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
  • Direct secure messaging: lnguyen3368@direct.stanfordhealthcare.org

Organizations & group practices 3

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 8

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": "1153699200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1750303152",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 SUPERIOR AVE STE 100",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926633660",
            "telephone_number": "949-764-7569",
            "fax_number": "949-764-7568"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 SUPERIOR AVE STE 100",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926633660",
            "telephone_number": "949-764-7569",
            "fax_number": "949-764-7568"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "LINDA ANH",
        "middle_name": "BUI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-24",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A75033",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A750330",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Newport Beach, CA

Sources for this page

Verify at the official NPI Registry.