Individual provider Active NPI

Tamara Sanchez Ortiz, MD-MPH

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1932859220
Registry record updated Mar 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A188013 Issued in CA
Practice address
1001 Potrero Ave
San Francisco, CA 94110-3594
Phone
(628) 206-8494
NPI assigned
Mar 28, 2022
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 25, 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 A188013 CA Primary

Addresses

Primary practice location

1001 Potrero Ave
San Francisco, CA 94110-3594

Mailing address

660 S Euclid Ave
Saint Louis, MO 63110-1010

Other practice location 1

1545 Divisadero St
San Francisco, CA 94143-3400
Phone (415) 353-7900

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
I20250630003678 CA Practitioner - Internal Medicine 5496128936 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Washington University School of Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1001 Potrero Ave
San Francisco, CA 94110-3518
Phone (628) 206-4774

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of California SFGH Medical Group Internal Medicine CurrentSince Jun 1, 2025 Accepting new patients
City & County of San Francisco CurrentSince Jul 14, 2025 Accepting new patients
University of California SFGH Medical Group CurrentSince Jun 1, 2025 Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
City & County of San Francisco Current Accepting new patients
City and County of San Francisco CurrentSince Jul 14, 2025 Accepting new patients

Locations

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

1001 Potrero Ave
Rm 5H22
San Francisco, CA 94110
Phone (628) 206-4774

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 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": "1648425600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774396800000",
    "number": "1932859220",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "660 S EUCLID AVE",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1001 POTRERO AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941103594",
            "telephone_number": "628-206-8494"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1545 Divisadero St",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941433400",
            "country_code": "US",
            "telephone_number": "415-353-7900",
            "fax_number": "415-353-2405",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SANCHEZ ORTIZ",
        "first_name": "TAMARA",
        "credential": "MD-MPH",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-03-28",
        "last_updated": "2026-03-25",
        "certification_date": "2026-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A188013",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.