NPIMap

Individual provider Active NPI

Frank J Farrell, M.D.

  • Specialist
  • San Francisco, CA
National Provider Identifier
1891770905
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
SpecialistTaxonomy code 174400000X
License
G68482 Issued in CA
Practice address
2186 Geary Blvd
Suite 320
San Francisco, CA 94115-3455
Phone
(415) 749-6900
NPI assigned
Dec 12, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X G68482 CA Primary

Addresses

Primary practice location

2186 Geary Blvd
Suite 320
San Francisco, CA 94115-3455

Mailing address

PO Box 6687
San Rafael, CA 94903-0687
Phone (415) 785-4246

Other identifiers 1

IdentifierTypeStateIssuer
00G684821MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, GU2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20090219000644 CA Practitioner - Gastroenterology 6406953710 Reassigns benefits to 1 organization
I20190111001493 GU Practitioner - Gastroenterology 6406953710 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
University of California, San Francisco School of Medicine, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Genesis Healthcare Partners PCGroup PAC ID 2163606807, 232 clinicians

Practice addresses (Care Compare)

2186 Geary Blvd
Suite 320
San Francisco, CA 94115-3457
Phone (415) 749-6900

Hospital & facility affiliations

  • California Pacific Medical Center- Van Ness Campus Hospital, San Francisco, CA, CCN 050047
  • California Pacific Medical Ctr-Davies Campus Hosp Hospital, San Francisco, CA, CCN 050008
  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy169
Upper gastrointestinal (GI) endoscopy for acid reflux85

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G68482CAMDSpecialist

Practice roles (9 of 10)

OrganizationSpecialtyStatusNew patients
Guam Memorial Hospital CurrentSince Oct 30, 2018 Accepting new patients
Guam Memorial Hospital CurrentSince Oct 30, 2018 Accepting new patients
Genesis Healthcare Partners PC Specialist CurrentSince Oct 1, 2022 Accepting new patients
Sutter Bay Medical Foundation Past Accepting new patients
UCSF Medical Center at Mt. Zion Past Accepting new patients
UCSF Health Community Hospitals Past Accepting new patients
Sutter Bay Hospitals Past Accepting new patients
Jennifer G Ross MD Inc PastSince Jul 19, 2010 Accepting new patients
Lauren Gerson, MD, PC Past Accepting new patients

Locations

9850 Genesee Ave
Ste 440
La Jolla, CA 92037
Phone (858) 453-5944

2186 Geary Blvd
Ste 320
San Francisco, CA 94115
Phone (415) 749-6900

2089 Vale Rd
Ste 33
San Pablo, CA 94806
Phone (510) 234-5012

850 Gov Carlos G Camacho Rd
Tamuning, GU 96913
Phone (671) 647-2555

850 Gov Carlos G Camacho Rd
#R
Tamuning, GU 96913
Phone (671) 647-2552

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 10

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 3

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": "1134345600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1891770905",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 6687",
            "city": "SAN RAFAEL",
            "state": "CA",
            "postal_code": "949030687",
            "telephone_number": "415-785-4246",
            "fax_number": "415-491-1411"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2186 GEARY BLVD",
            "address_2": "SUITE 320",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941153455",
            "telephone_number": "415-749-6900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FARRELL",
        "first_name": "FRANK",
        "middle_name": "J",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "G68482",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G684821",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.