Individual provider Active NPI

Joanne Lin, DO

  • Gastroenterology Physician
  • Sacramento, CA
National Provider Identifier
1861029357
Registry record updated Jun 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
20A20535 Issued in CA
Practice address
4150 V St Ste 3500
Sacramento, CA 95817-1460
Phone
(916) 734-3751
NPI assigned
Mar 24, 2020
Last updated
Jun 29, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 20A20535 CA Primary

Addresses

Primary practice location

4150 V St Ste 3500
Sacramento, CA 95817-1460

Mailing address

4150 V St Ste 3500
Sacramento, CA 95817-1460
Phone (916) 734-3751

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
I20240626001340 CA Practitioner - GastroenterologyPractitioner - Internal Medicine 1557805017 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-4029

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20535CAMDAcupuncturist
20A20535CAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
UCSF Medical Group Business Services CurrentSince Jun 12, 2024 Accepting new patients
University of California San Francisco Single Specialty CurrentSince Jun 12, 2024 Accepting new patients
UCSF Medical Group Business Services Single Specialty CurrentSince Jun 12, 2024 Accepting new patients
University of California San Francisco CurrentSince Jun 12, 2024 Accepting new patients
Regents of the University of California Single Specialty CurrentSince Jun 12, 2024 Accepting new patients
University of California San Francisco Single Specialty Current Accepting new patients

Locations

2001 The Embarcadero
Ofc Of
San Francisco, CA 94143
Phone (628) 224-5503

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

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

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

505 Parnassus Ave
Ste 260C
San Francisco, CA 94143

513 Parnassus Ave
#S357
San Francisco, CA 94143
Phone (415) 353-2318

Interoperability endpoints

  • Direct secure messaging: jlin372097@direct-ucsfmedicalcenter.org

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1585008000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782691200000",
    "number": "1861029357",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4150 V ST STE 3500",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958171460",
            "telephone_number": "916-734-3751"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4150 V ST STE 3500",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958171460",
            "telephone_number": "916-734-3751"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LIN",
        "first_name": "JOANNE",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-03-24",
        "last_updated": "2026-06-29",
        "certification_date": "2026-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "20A20535",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sacramento, CA

Sources for this page

Verify at the official NPI Registry.