Individual provider Active NPI

Stephanie Tsoi, MD

  • Student in an Organized Health Care Education/Training Program
  • San Francisco, CA
National Provider Identifier
1427554088
Registry record updated Apr 3, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X
Practice address
550 16TH Street
4TH Floor, 4551, #0110
San Francisco, CA 94143
Phone
(415) 476-6245
NPI assigned
Apr 3, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 3, 2018

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X CA Primary

Addresses

Primary practice location

550 16TH Street
4TH Floor, 4551, #0110
San Francisco, CA 94143

Mailing address

283 Tordo CT
Fremont, CA 94539-3047
Phone (510) 209-7870

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
I20250620003567 CA Practitioner - Pediatric Medicine 0345674040 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pediatric Medicine
Education
University of California, Geffen School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
UCSF Pediatrics AssociatesGroup PAC ID 6204749112, 102 clinicians

Practice addresses (Care Compare)

1975 4TH St
San Francisco, CA 94143-2351
Phone (415) 476-1000

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco CurrentSince Jun 12, 2025 Accepting new patients
University of California San Francisco Current Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 16, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 16, 2025 Accepting new patients
University of California San Francisco CurrentSince Jun 12, 2025 Accepting new patients
UCSF Pediatrics Associates CurrentSince Jun 12, 2025 Accepting new patients
University of California San Francisco Medical Center Past Accepting new patients

Locations

747 52nd St
Oakland, CA 94609
Phone (510) 428-3070

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

550 16th St
Fl 4
San Francisco, CA 94158
Phone (415) 353-7337

550 16th St
Fl 4
San Francisco, CA 94143
Phone (415) 476-5001

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

1975 4th St
San Francisco, CA 94143
Phone (415) 353-3000

Interoperability endpoints

  • Direct secure messaging: stsoi90543@direct-ucsfmedicalcenter.org

Organizations & group practices 7

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1522713600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1522713600000",
    "number": "1427554088",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "283 TORDO CT",
            "city": "FREMONT",
            "state": "CA",
            "postal_code": "945393047",
            "telephone_number": "510-209-7870"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 16TH STREET",
            "address_2": "4TH FLOOR, 4551, #0110",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94143",
            "telephone_number": "415-476-6245"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSOI",
        "first_name": "STEPHANIE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-04-03",
        "last_updated": "2018-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.