Individual provider Active NPI

Namphuong Thi Tran, M.D.

  • Internal Medicine Physician
  • Stanford, CA
National Provider Identifier
1598110686
Registry record updated May 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A156686 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Apr 26, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 28, 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 A156686 CA Primary

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

845 Jackson St
San Francisco, CA 94133-4851
Phone (415) 982-2400

Other practice location 2

1100 Van Ness Ave
San Francisco, CA 94109-6978
Phone (415) 600-3458

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
I20200320001792 CA Practitioner - Internal Medicine 9133557358 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Drexel University College of Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

123 S San Mateo Dr
San Mateo, CA 94401-3804
Phone (650) 343-4200

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

301 Industrial Rd
San Carlos, CA 94070-2603
Phone (415) 600-1000

795 El Camino Real
Palo Alto, CA 94301-2302
Phone (415) 600-1020

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A156686CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Santa Clara CurrentSince Nov 24, 2020 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Apr 24, 2023 Accepting new patients
County of Santa Clara CurrentSince Nov 24, 2020 Accepting new patients
Sutter Bay Medical Foundation Current Accepting new patients
County of Santa Clara Internal Medicine Current Accepting new patients
Sutter Bay Medical Foundation Internal Medicine CurrentSince Apr 24, 2023 Accepting new patients
County of Santa Clara CurrentSince Nov 24, 2020 Accepting new patients
County of Santa Clara Current Accepting new patients
County of Santa Clara CurrentSince Nov 24, 2020 Accepting new patients
Sutter Bay Hospitals Past Accepting new patients
Sutter East Bay Medical Foundation Internal Medicine Past Accepting new patients

Locations (25 of 30)

18400 US Highway 18
Apple Valley, CA 92307
Phone (760) 810-7590

350 John Muir Pkwy
Ste 160
Brentwood, CA 94513
Phone (925) 204-1920

1950 University Ave
Ste 160
East Palo Alto, CA 94303
Phone (650) 317-8100

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

1189 E Herndon Ave
Ste 103
Fresno, CA 93720
Phone (559) 450-7777

7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400

325 Distel Cir
Los Altos, CA 94022
Phone (510) 204-3977

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

101 Rowland Way
Ste 220
Novato, CA 94945
Phone (415) 878-7200

795 El Camino Real
#1112
Palo Alto, CA 94301

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

1555 East St
Ste 200
Redding, CA 96001
Phone (530) 229-0911

151 N Sunrise Ave
Ste 1205
Roseville, CA 95661
Phone (916) 789-1505

301 Industrial Rd
San Carlos, CA 94070
Phone (650) 596-4000

3838 California St
Rm 410
San Francisco, CA 94118
Phone (415) 751-1847

2351 Clay St
Ste 380
San Francisco, CA 94115
Phone (415) 600-3954

1100 Van Ness Ave
San Francisco, CA 94109
Phone (415) 600-5760

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

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

1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320

2101 Alexian Dr
San Jose, CA 95116
Phone (408) 272-6050

500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433

1996 Lundy Ave
San Jose, CA 95131
Phone (408) 299-5846

Interoperability endpoints

  • Direct secure messaging: ntran311789@hisp.ehr.sutterhealth.org
  • Direct secure messaging: ntran167082@santaclaravalley.direct-ci.net

Organizations & group practices 14

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 14

Hospital & facility affiliations 11

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": "1461628800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779926400000",
    "number": "1598110686",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "845 Jackson St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941334851",
            "country_code": "US",
            "telephone_number": "415-982-2400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1100 Van Ness Ave",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941096978",
            "country_code": "US",
            "telephone_number": "415-600-3458",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TRAN",
        "first_name": "NAMPHUONG",
        "middle_name": "THI",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-04-26",
        "last_updated": "2026-05-28",
        "certification_date": "2026-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A156686",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.