Individual provider Active NPI

Longhang Nguyen, MD

  • Internal Medicine Physician
  • Sunnyvale, CA
National Provider Identifier
1194894550
Registry record updated Mar 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A67978 Issued in CA
Practice address
312 W El Camino Real
Sunnyvale, CA 94087-1306
Phone
(888) 663-6331
Fax
(415) 252-7176
NPI assigned
Nov 7, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 17, 2025

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 A67978 CA Primary

Addresses

Primary practice location

312 W El Camino Real
Sunnyvale, CA 94087-1306

Mailing address

1 Embarcadero Ctr Ste 1900
San Francisco, CA 94111-3723
Phone (415) 658-6791

Other practice location 1

1299 Oakmead Pkwy
Suite A
Sunnyvale, CA 94085-4040
Phone (408) 520-4510

Other identifiers 1

IdentifierTypeStateIssuer
00A679780MedicaidCA

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
I20081226000007 CA Practitioner - Internal Medicine 1951463041 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of California, San Francisco School of Medicine, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
One Medical Group IncGroup PAC ID 2567623739, 330 clinicians

Practice addresses (Care Compare)

110 Sutter St
Suite 6
San Francisco, CA 94104-4020
Phone (888) 663-6331

312 W El Camino Real
Sunnyvale, CA 94087-1306
Phone (888) 663-6331

559 Clay St
Suite 200
San Francisco, CA 94111-3029
Phone (888) 663-6331

Hospital & facility affiliations

  • El Camino Health Hospital, Mountain View, CA, CCN 050308
  • Stanford Health Care Hospital, Stanford, CA, CCN 050441

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
67978CAMDPharmacist
A67978CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
One Medical Group, Inc. Internal Medicine CurrentSince Aug 10, 2013 Accepting new patients
County of Santa Clara CurrentSince Dec 15, 2009 Accepting new patients
One Medical Group, Inc Internal Medicine CurrentSince Aug 10, 2013 Accepting new patients
County of Santa Clara CurrentSince Dec 15, 2009 Accepting new patients
County of Santa Clara Current Accepting new patients
University of California San Francisco Past Accepting new patients

Locations

1955 Broadway
Ste A
Oakland, CA 94612

110 Sutter St
Fl 6
San Francisco, CA 94104
Phone (415) 392-8200

1 Embarcadero Ctr
Ste 1900
San Francisco, CA 94111

130 Sutter St
Fl 2
San Francisco, CA 94104
Phone (415) 529-4522

559 Clay St
#200
San Francisco, CA 94111
Phone (415) 830-4744

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320

2950 S Delaware St
Ste 150
San Mateo, CA 94403

1004 Northgate Dr
San Rafael, CA 94903
Phone (415) 590-6150

1299 Oakmead Pkwy
Sunnyvale, CA 94085
Phone (408) 266-3100

312 W El Camino Real
Sunnyvale, CA 94087

1299 Oakmead Pkwy
Ste A
Sunnyvale, CA 94085
Phone (408) 520-4510

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 6

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 10

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": "1162857600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742169600000",
    "number": "1194894550",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723",
            "telephone_number": "415-658-6791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "312 W EL CAMINO REAL",
            "city": "SUNNYVALE",
            "state": "CA",
            "postal_code": "940871306",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1299 Oakmead Pkwy",
            "address_2": "Suite A",
            "address_purpose": "LOCATION",
            "city": "Sunnyvale",
            "state": "CA",
            "postal_code": "940854040",
            "country_code": "US",
            "telephone_number": "408-520-4510",
            "fax_number": "408-520-4519",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "LONGHANG",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-07",
        "last_updated": "2025-03-17",
        "certification_date": "2025-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A67978",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A679780",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sunnyvale, CA

Sources for this page

Verify at the official NPI Registry.