Regents of the University of California

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

220000091 Issued in CA

Legal business name

REGENTS OF THE UNIVERSITY OF CALIFORNIA

Doing business as

UCSF Department of Medicine

Practice address

1600 Divisadero St
San Francisco, CA 94143-0120

Phone

(415) 353-9720

NPI assigned

Aug 22, 2007

Last updated

Apr 16, 2025By the provider in NPPES

Organization subpart

Yes

Parent organization

UCSF MEDICAL CENTERAs reported in NPPES

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

Authorized official

Name

Mr. David Rein

Title

Coo

Phone

(415) 476-4003

Specialties & licenses 2

Addresses

Other identifiers 1

Other names 1

• UCSF Department of Medicine Doing business as

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Other NPIs on the same Medicare enrollment 6

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

• Regents of the University of California

  dba UCSF Department of Medicine Endocrine

  • Endocrinology, Diabetes & Metabolism Physician
  • San Francisco, CA
  • NPI 1376613943

  O20031106000389

  Same enrollment
• Regents of the University of California

  dba UCSF Department of Medicine Gastroenterology

  • Gastroenterology Physician
  • San Francisco, CA
  • NPI 1467522037

  O20031106000389

  Same enrollment
• Regents of the University of California

  dba UCSF Department of Medicine Allergy

  • Allergy Physician
  • San Francisco, CA
  • NPI 1477626042

  O20031106000389

  Same enrollment
• Regents of the University of California

  dba UCSF Department of Medicine Hematology Oncology

  • Hematology & Oncology Physician
  • San Francisco, CA
  • NPI 1558431122

  O20031106000389

  Same enrollment
• Regents of the University of California

  dba UCSF Dept of Medicine General Medicine

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1760552343

  O20031106000389

  Same enrollment
• Regents of the University of California

  dba UCSF Department of Medicine Rheumatology

  • Rheumatology Physician
  • San Francisco, CA
  • NPI 1881763597

  O20031106000389

  Same enrollment

Part of

UCSF Mt Zion HSP Eeg Op

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

{
    "created_epoch": "1187740800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1744761600000",
    "number": "1235322348",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 DIVISADERO ST",
            "address_2": "SUITE 625, BOX 1821",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430001",
            "telephone_number": "415-476-4029",
            "fax_number": "415-476-4150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 DIVISADERO ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430120",
            "telephone_number": "415-353-9720"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "REGENTS OF THE UNIVERSITY OF CALIFORNIA",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "UCSF MEDICAL CENTER",
        "enumeration_date": "2007-08-22",
        "last_updated": "2025-04-16",
        "certification_date": "2025-04-16",
        "status": "A",
        "authorized_official_last_name": "REIN",
        "authorized_official_first_name": "DAVID",
        "authorized_official_title_or_position": "COO",
        "authorized_official_telephone_number": "415-476-4003",
        "authorized_official_name_prefix": "Mr."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "220000091",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CA",
            "license": "220000091",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0084563",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.2019.3",
            "affiliationName": "Bluemark LLC / Office Ally",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "1300 SE Cardinal Ct Ste 190",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986839683",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "UCSF Department of Medicine",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Regents of the University of California
• Regents of the University of California (UCSF Dept of Medicine Nephrology)
• Regents of the University of California (UCSF Department of Medicine Pulmonary)
• Regents of the University of California (UCSF Department of Med Infectious Disease)
• Regents of the University of California (UCSF Department of Medicine Cardiology)
• Regents of the University of California (UCSF AIDS Health Project)
• Regents of the University of California (UCSF Department of Medicine Endocrine)
• Regents of the University of California (UCSF Department of Medicine Gastroenterology)
• Regents of the University of California (UCSF Department of Medicine Allergy)
• Regents of the University of California (UCSF Proctor Medical Group)

• Endocrinology, Diabetes & Metabolism Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Endocrinology, Diabetes & Metabolism Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 16, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.