NPIMap

Organization Active NPI

Regents of the University of California

Doing business as UCSF Department of Medicine Gastroenterology

  • Gastroenterology Physician
  • San Francisco, CA
National Provider Identifier
1467522037
Registry record updated Apr 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
220000091 Issued in CA
Legal business name
REGENTS OF THE UNIVERSITY OF CALIFORNIA
Doing business as
UCSF Department of Medicine Gastroenterology
Practice address
505 Parnassus Ave
San Francisco, CA 94143-0120
Phone
(415) 353-2318
Fax
(415) 353-2407
NPI assigned
Nov 9, 2006
Last updated
Apr 16, 2025By the provider in NPPES
Organization subpart
Yes
Parent organization
UCSF MEDICAL CENTERAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Apr 16, 2025

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

Authorized official

Name
Mr. David Rein
Title
Interim Vice Dean, Administration
Phone
(415) 476-4003

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 220000091 CA Primary
Hepatology Physician 207RI0008X 220000091 CA

Addresses

Primary practice location

505 Parnassus Ave
San Francisco, CA 94143-0120

Mailing address

1635 Divisadero St
Suite 625, Box 1821
San Francisco, CA 94143-0001
Phone (415) 476-4029

Other identifiers 1

IdentifierTypeStateIssuer
GR0084563MedicaidCA

Other names 1

  • UCSF Department of Medicine Gastroenterology Doing business as

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Bluemark LLC / Office Ally

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031106000389 CA Part B Supplier - Clinic/Group Practice 4284547274 Receives reassigned benefits from 2,242 practitioners
6 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: San Francisco, CA

Other NPIs on the same Medicare enrollment 6

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

National Provider Directory

National Provider Directory
Part of
UCSF Internal Med GRP

Networks

  • BSC 65 PLUS INDIVIDUAL MAPDPlans: Blue Shield 65 Plus (HMO) (H0504-015-000, H0504); Blue Shield 65 Plus (HMO) (H0504-039-000, H0504); Blue Shield 65 Plus Plan 2 (HMO) (H0504-021-000, H0504); Blue Shield Inspire (HMO) (H0504-041-000, H0504); Blue Shield 65 Plus (HMO) (H0504-038-000, H0504); Blue Shield Inspire (HMO) (H0504-047-000, H0504); Blue Shield 65 Plus (HMO) (H0504-026-000, H0504); Blue Shield Advantage (HMO) (H0504-050-000, H0504); Blue Shield AdvantageOptimum Plan (HMO) (H5928-004-000, H5928); Blue Shield Inspire (HMO) (H0504-043-000, H0504)…

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1163030400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1744761600000",
    "number": "1467522037",
    "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": "505 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430120",
            "telephone_number": "415-353-2318",
            "fax_number": "415-353-2407"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "REGENTS OF THE UNIVERSITY OF CALIFORNIA",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "UCSF MEDICAL CENTER",
        "enumeration_date": "2006-11-09",
        "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": "INTERIM VICE DEAN, ADMINISTRATION",
        "authorized_official_telephone_number": "415-476-4003",
        "authorized_official_name_prefix": "Mr."
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "220000091",
            "primary": true
        },
        {
            "code": "207RI0008X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hepatology",
            "state": "CA",
            "license": "220000091",
            "primary": false
        }
    ],
    "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 Gastroenterology",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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 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.