Individual provider Active NPI

Douglas Long Nguyen, MD

  • Gastroenterology Physician
  • Mission Viejo, CA
National Provider Identifier
1184880114
Registry record updated May 12, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
A113814 Issued in CA
Practice address
27799 Medical Center Rd Ste 310
Mission Viejo, CA 92691-6400
Phone
(949) 364-5090
NPI assigned
Jul 30, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 12, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A113814 CA
Gastroenterology Physician 207RG0100X A113814 CA Primary

Addresses

Primary practice location

27799 Medical Center Rd Ste 310
Mission Viejo, CA 92691-6400

Mailing address

27799 Medical Center Rd Ste 310
Mission Viejo, CA 92691-6400
Phone (949) 364-5090

Other practice location 1

11234 Anderson St # Mc-1516
Loma Linda, CA 92354-2804
Phone (909) 558-4905

Other identifiers 1

IdentifierTypeStateIssuer
ENROLLEDMedicaidMN

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
I20121114000034 CA Practitioner - GastroenterologyPractitioner - Internal Medicine 5698811230 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Cincinnati College of Medicine and Surgery, 2008
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)

1950 Sunny Crest Dr
Suite 2900
Fullerton, CA 92835-3641
Phone (714) 992-5350

27700 Medical Ctr Rd
Mission Viejo, CA 92691-6426
Phone (949) 364-1400

27799 Medical Ctr Rd
Mission Viejo, CA 92691-6400

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy49
Upper gastrointestinal (GI) endoscopy for acid reflux79

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Faculty Physicians and Surgeons of Llusm Current Accepting new patients
Sac Health System CurrentSince May 1, 2021 Accepting new patients
Sac Health System Current Accepting new patients
Providence Medical Foundation CurrentSince Apr 12, 2022 Accepting new patients
Providence Medical Foundation Current Accepting new patients
Sac Health System CurrentSince May 1, 2021 Accepting new patients
Faculty Physicians and Surgeons of Llusm CurrentSince Apr 1, 2021 Accepting new patients
UC Regents Internal Medicine Past Accepting new patients
Loma Linda University Medical Center Past Accepting new patients
Loma Linda University Children's Hospital Past Accepting new patients
Trinidad Area Health Association Internal Medicine Past Accepting new patients
Bristol Park Medical Group, Inc Internal Medicine Past Accepting new patients
Mission Hospital Regional Medical Center Past Accepting new patients
Providence Medical Foundation Past Accepting new patients
Mayo Clinic Past Accepting new patients
University of California Irvine Past Accepting new patients
East Morgan County Hospital Past Accepting new patients
Riverside Healthcare System, L.P. Past Accepting new patients

Locations

1950 Sunny Crest Dr
Ste 2900
Fullerton, CA 92835

100 E Valencia Mesa Dr
Ste 105
Fullerton, CA 92835
Phone (714) 446-5200

File Number 54701
Los Angeles, CA 90074
Phone (909) 651-4300

27799 Medical Center Rd
Ste 310
Mission Viejo, CA 92691
Phone (949) 364-5090

1455 3rd Ave
Sn Bernrdno, CA 92408
Phone (909) 382-7146

901 San Bernardino Rd
Ste 104
Upland, CA 91786
Phone (909) 542-2779

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 18

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.

View all 18

Hospital & facility affiliations 2

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": "1217376000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1652313600000",
    "number": "1184880114",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "27799 MEDICAL CENTER RD STE 310",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926916400",
            "telephone_number": "949-364-5090"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "27799 MEDICAL CENTER RD STE 310",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926916400",
            "telephone_number": "949-364-5090"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11234 Anderson St # Mc-1516",
            "address_purpose": "LOCATION",
            "city": "Loma Linda",
            "state": "CA",
            "postal_code": "923542804",
            "country_code": "US",
            "telephone_number": "909-558-4905",
            "fax_number": "909-558-4028",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "DOUGLAS",
        "middle_name": "LONG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-07-30",
        "last_updated": "2022-05-12",
        "certification_date": "2022-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A113814",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A113814",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "ENROLLED",
            "state": "MN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Mission Viejo, CA

Sources for this page

Verify at the official NPI Registry.