NPIMap

Individual provider Active NPI

Steve Nguyen, D.O.

  • Gastroenterology Physician
  • Rosemead, CA
National Provider Identifier
1649357732
Registry record updated Aug 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
20A7028 Issued in CA
Practice address
9120 Valley Blvd
Rosemead, CA 91770-1920
Phone
(626) 316-8169
NPI assigned
Nov 1, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 26, 2025

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 20A7028 CA Primary

Addresses

Primary practice location

9120 Valley Blvd
Rosemead, CA 91770-1920

Mailing address

9120 Valley Blvd
Rosemead, CA 91770-1920
Phone (626) 316-8169

Other identifiers 1

IdentifierTypeStateIssuer
00AX70281MedicaidCA

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
I20050315001170 CA Practitioner - Gastroenterology 3173578887 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
College of Osteo Med of the Pacific at Pomona, 1995
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

9120 Valley Blvd
Rosemead, CA 91770-1920
Phone (626) 316-8169

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy34
Upper gastrointestinal (GI) endoscopy for acid reflux87

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A7028CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Wynn Medical Center Gastroenterology Gastroenterology CurrentSince Sep 29, 2025 Accepting new patients
Steve Nguyen DO Inc Gastroenterology CurrentSince Sep 8, 2015 Accepting new patients
Long Beach Memorial Medical Past Accepting new patients
Southern California Healthcare System, Inc Past Accepting new patients
Eladh, LP Past Accepting new patients
Long Beach Memorial Medical Past Accepting new patients
St. Albert Medical Clinic Inc Past Accepting new patients
CHLB, LLC Past Accepting new patients
Dignity Health Past Accepting new patients

Locations

16458 Bolsa Chica St
Huntington Beach, CA 92649
Phone (562) 310-6152

2776 Pacific Ave
Long Beach, CA 90806
Phone (562) 595-1911

2690 Pacific Ave
Ste 240
Long Beach, CA 90806
Phone (562) 988-2898

1045 Atlantic Ave
Ste 808
Long Beach, CA 90813
Phone (562) 473-4471

9120 Valley Blvd
Rosemead, CA 91770
Phone (626) 280-5575

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 9

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 5

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": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756166400000",
    "number": "1649357732",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9120 VALLEY BLVD",
            "city": "ROSEMEAD",
            "state": "CA",
            "postal_code": "917701920",
            "telephone_number": "626-316-8169"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9120 VALLEY BLVD",
            "city": "ROSEMEAD",
            "state": "CA",
            "postal_code": "917701920",
            "telephone_number": "626-316-8169"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "STEVE",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2025-08-26",
        "certification_date": "2025-08-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "20A7028",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00AX70281",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Rosemead, CA

Sources for this page

Verify at the official NPI Registry.