Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hospitalist

Anne M. Ritchie, MD

Works at hospitals in San Francisco, CA · California

Summary

Anne M. Ritchie, MD (Hospitalist) is listed by Medicare at 2 hospitals in San Francisco, CA. NPI 1477948263. 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 Anne M. Ritchie, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
University Of California, San Francisco School Of MedicineMedical school
FemaleGender (as listed)
Regents of the University of CaliforniaGroup practice

Quick answers

Which hospitals does Anne M. Ritchie work at?
Medicare's official clinician data lists Anne M. Ritchie at 2 hospitals: UCSF Health St. Mary's Hospital and UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Anne M. Ritchie see patients?
Medicare's clinician data lists 1 practice location in San Francisco, CA. Call before your visit to confirm the address.
What is Anne M. Ritchie's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Anne M. Ritchie accept Medicare assignment?
Yes. Medicare's clinician data says Anne M. Ritchie 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 Anne M. Ritchie?
(415) 476-4029, as listed in official Medicare / NPI Registry data.
What is Anne M. Ritchie's NPI number?
1477948263. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Anne M. Ritchie works

Medicare's Facility Affiliation Data lists Anne M. Ritchie 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 Anne M. Ritchie is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Anne M. Ritchie as a member of this group (CMS data updated 2026-10-02).

  • Regents of the University of California732 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in San Francisco

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

All hospitalists in San Francisco →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477948263
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