Organization Active NPI

Rafael Diaz M D Inc

  • Surgery Physician
  • San Francisco, CA
National Provider Identifier
1578484804
Registry record updated Aug 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
Legal business name
RAFAEL DIAZ M D INC
Practice address
1 Sansome St Ste A1075
San Francisco, CA 94104-4448
Phone
(925) 272-9636
NPI assigned
Jul 22, 2026
Last updated
Aug 28, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2026

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

Authorized official

Name
Rafael Diaz, MD
Title
President
Phone
(925) 272-9636

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X NU Primary

Addresses

Primary practice location

1 Sansome St Ste A1075
San Francisco, CA 94104-4448

Mailing address

1 Sansome St Ste A1075
San Francisco, CA 94104-4448
Phone (925) 272-9636

National Provider Directory

National Provider Directory

Locations

1 Sansome St
Ste A1075
San Francisco, CA 94104

NPI Registry JSON

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

{
    "created_epoch": "1784678400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787875200000",
    "number": "1578484804",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 SANSOME ST STE A1075",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941044448",
            "telephone_number": "925-272-9636"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 SANSOME ST STE A1075",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941044448",
            "telephone_number": "925-272-9636"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RAFAEL DIAZ M D INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-22",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A",
        "authorized_official_last_name": "DIAZ",
        "authorized_official_first_name": "RAFAEL",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "925-272-9636",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.