Individual provider Active NPI

Grant Joseph-Cibik Gifford, DO

  • Nephrology Physician
  • San Francisco, CA
National Provider Identifier
1578149258
Registry record updated Mar 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
20A22382 Issued in CA
Practice address
500 Parnassus Ave # Muw418
San Francisco, CA 94143-2203
Phone
(415) 514-5575
Fax
(415) 476-3381
NPI assigned
Mar 22, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 20A22382 CA Primary

Addresses

Primary practice location

500 Parnassus Ave # Muw418
San Francisco, CA 94143-2203

Mailing address

500 Parnassus Ave # Muw418
San Francisco, CA 94143-2203
Phone (415) 514-5575

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
I20260410003015 CA Practitioner - Nephrology 8426493040 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
Touro Un College of Osteopathic Medicine, Vallejo, 2021
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

2001 The Embarcadero
Suite 1500
San Francisco, CA 94143-5200

2001 The Embarcadero St
Suite 1500
San Francisco, CA 94133-2964

335 Euclid Ave
Apt 301
San Francisco, CA 94118-2755

500 Parnassus Ave
San Francisco, CA 94143-2203

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
22382CAMDProfessional Counselor
20A22382CAMDNephrology Physician

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1616371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773964800000",
    "number": "1578149258",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 PARNASSUS AVE # MUW418",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432203",
            "telephone_number": "415-514-5575",
            "fax_number": "415-476-3381"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 PARNASSUS AVE # MUW418",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432203",
            "telephone_number": "415-514-5575",
            "fax_number": "415-476-3381"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIFFORD",
        "first_name": "GRANT",
        "middle_name": "JOSEPH-CIBIK",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-22",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CA",
            "license": "20A22382",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.