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Infectious Disease

Grace C. Haser, MD

Works at hospitals in San Francisco, CA · California

Summary

Grace C. Haser, MD (Infectious Disease) is listed by Medicare at 2 hospitals in San Francisco, CA. NPI 1841745031. 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 Grace C. Haser, 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

Infectious DiseasePrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
Northwestern University Feinberg Medical SchoolMedical school
FemaleGender (as listed)
University of California San FranciscoGroup practice (+2 more)

Quick answers

Which hospitals does Grace C. Haser work at?
Medicare's official clinician data lists Grace C. Haser at 2 hospitals: UCSF Medical Center and Zuckerberg San Francisco General Hospital & Trauma Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Grace C. Haser see patients?
Medicare's clinician data lists 5 practice locations, including San Francisco, CA. Call before your visit to confirm the address.
What is Grace C. Haser's specialty?
Medicare lists Infectious Disease as the primary specialty.
Does Grace C. Haser accept Medicare assignment?
Yes. Medicare's clinician data says Grace C. Haser 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 Grace C. Haser?
(415) 476-4029, as listed in official Medicare / NPI Registry data.
What is Grace C. Haser's NPI number?
1841745031. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Grace C. Haser works

Medicare's Facility Affiliation Data lists Grace C. Haser 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 Grace C. Haser is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Grace C. Haser as a member of these groups (CMS data updated 2026-10-02).

  • University of California San Francisco1,839 clinicians in the group
  • Regents of the University of California732 clinicians in the group
  • University of California SFGH Medical Group587 clinicians in the group

Specialties

Find other Infectious Disease doctors in California →

Other infectious disease doctors in San Francisco

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

All infectious disease doctors in San Francisco →

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841745031
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