Individual provider Active NPI

Zachary Kornberg, MD

  • Urology Physician
  • San Francisco, CA
National Provider Identifier
1982166534
Registry record updated Aug 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
A180449 Issued in CA
Practice address
1825 4TH St FL 4
San Francisco, CA 94143-2350
Phone
(415) 353-7171
NPI assigned
Apr 3, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 8, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X A180449 CA Primary

Addresses

Primary practice location

1825 4TH St FL 4
San Francisco, CA 94143-2350

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200

Other practice location 1

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 725-5746

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
I20250630003440 CA Practitioner - Urology 0446763718 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Urology
Education
University of California, San Francisco School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
UCSF Medical Group Business ServicesGroup PAC ID 3779497870, 1,533 clinicians

Practice addresses (Care Compare)

400 Parnassus Ave
San Francisco, CA 94143-2202

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

521 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

Hospital & facility affiliations

  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A180449CAMDUrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
City & County of San Francisco CurrentSince Jul 14, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 17, 2025 Accepting new patients
University of California San Francisco Current Accepting new patients
University of California SFGH Medical Group Urology CurrentSince Jun 23, 2025 Accepting new patients
City and County of San Francisco CurrentSince Jul 14, 2025 Accepting new patients
University of California SFGH Medical Group CurrentSince Jun 23, 2025 Accepting new patients
UCSF Medical Group Business Services Urology CurrentSince Jun 17, 2025 Accepting new patients
University of California San Francisco CurrentSince Jun 17, 2025 Accepting new patients
City & County of San Francisco Current Accepting new patients
University of California San Francisco CurrentSince Jun 17, 2025 Accepting new patients

Locations

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

1825 4th St
Ste Box
San Francisco, CA 94143

1001 Potrero Ave
Rm 3A20
San Francisco, CA 94110
Phone (415) 206-8806

1825 4th St
Fl 4
San Francisco, CA 94143
Phone (415) 353-9888

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

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

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

Interoperability endpoints

  • Direct secure messaging: zkornberg77347@direct-ucsfmedicalcenter.org

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 1

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": "1554249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754611200000",
    "number": "1982166534",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1825 4TH ST FL 4",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432350",
            "telephone_number": "415-353-7171"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Pasteur Dr",
            "address_purpose": "LOCATION",
            "city": "Stanford",
            "state": "CA",
            "postal_code": "943052200",
            "country_code": "US",
            "telephone_number": "650-725-5746",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KORNBERG",
        "first_name": "ZACHARY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-03",
        "last_updated": "2025-08-08",
        "certification_date": "2025-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "CA",
            "license": "A180449",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.