Individual provider Active NPI

Andrew E Horvai, MD

  • Anatomic Pathology Physician
  • San Francisco, CA
National Provider Identifier
1891752309
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology PhysicianTaxonomy code 207ZP0101X
License
A70479 Issued in CA
Practice address
1600 Divisadero St
San Francisco, CA 94143-0001
Phone
(415) 885-7313
Fax
(415) 673-9726
NPI assigned
Apr 27, 2006
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
Anatomic Pathology Physician 207ZP0101X A70479 CA Primary

Addresses

Primary practice location

1600 Divisadero St
San Francisco, CA 94143-0001

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
00A704790MedicaidCA

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
I20080229000301 CA Practitioner - Pathology 1153405162 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
University of California, San Diego School of Medicine, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians

Practice addresses (Care Compare)

2330 Post St
San Francisco, CA 94115-3465
Phone (415) 476-4029

450 Stanyan St
San Francisco, CA 94117-1019
Phone (415) 750-5750

Hospital & facility affiliations

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

Merit-based Incentive Payment System (MIPS)

Final score
84.89 of 100Reported as group
Quality
81.13
Improvement activities
40
Cost
71.5

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A70479CAMDAnatomic Pathology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco CurrentSince Jul 1, 2003 Accepting new patients
University of California San Francisco Current Accepting new patients
University of California San Francisco CurrentSince Jul 1, 2003 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jan 1, 2020 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jan 1, 2020 Accepting new patients

Locations

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

1635 Divisadero St
Ste 625
San Francisco, CA 94115
Phone (415) 476-1977

3333 California St
Ste S110
San Francisco, CA 94118

1600 Divisadero St
San Francisco, CA 94143
Phone (415) 353-7175

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

Interoperability endpoints

  • Direct secure messaging: ahorvai15488@direct-ucsfmedicalcenter.org

Organizations & group practices 5

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": "1146096000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1891752309",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 DIVISADERO ST",
            "address_2": "STE 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": "1600 DIVISADERO ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430001",
            "telephone_number": "415-885-7313",
            "fax_number": "415-673-9726"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HORVAI",
        "first_name": "ANDREW",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0101X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology",
            "state": "CA",
            "license": "A70479",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A704790",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.