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Pathology

Andrew E. Horvai, MD

Works at hospitals in San Francisco, CA · California

Summary

Andrew E. Horvai, MD (Pathology) is listed by Medicare at 1 hospital in San Francisco, CA. NPI 1891752309. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew E. Horvai, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PathologyPrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
University Of California, San Diego School Of MedicineMedical school
MaleGender (as listed)
University of California San FranciscoGroup practice

Quick answers

Which hospitals does Andrew E. Horvai work at?
Medicare's official clinician data lists Andrew E. Horvai at 1 hospital: UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Andrew E. Horvai see patients?
Medicare's clinician data lists 2 practice locations, including San Francisco, CA. Call before your visit to confirm the address.
What is Andrew E. Horvai's specialty?
Medicare lists Pathology as the primary specialty.
Does Andrew E. Horvai accept Medicare assignment?
Yes. Medicare's clinician data says Andrew E. Horvai accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Andrew E. Horvai?
(415) 476-4029, as listed in official Medicare / NPI Registry data.
What is Andrew E. Horvai's NPI number?
1891752309. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Andrew E. Horvai works

Medicare's Facility Affiliation Data lists Andrew E. Horvai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Andrew E. Horvai is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Andrew E. Horvai as a member of this group (CMS data updated 2026-10-02).

  • University of California San Francisco1,839 clinicians in the group

Specialties

Find other Pathology doctors in California →

Other pathologists in San Francisco

Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.

All pathologists in San Francisco →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891752309
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians