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Family Practice

Mary B. Gauthier, MD

Works at hospitals in Oakland, CA · California

Summary

Mary B. Gauthier, MD (Family Practice) is listed by Medicare at 1 hospital in Oakland, CA. NPI 1487823936. 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 Mary B. Gauthier, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
Boston University School Of MedicineMedical school
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Which hospitals does Mary B. Gauthier work at?
Medicare's official clinician data lists Mary B. Gauthier at 1 hospital: Kaiser Foundation Hospital - Oakland/Richmond. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mary B. Gauthier see patients?
Medicare's clinician data lists 1 practice location in Richmond, CA. Call before your visit to confirm the address.
What is Mary B. Gauthier's specialty?
Medicare lists Family Practice as the primary specialty.
Does Mary B. Gauthier accept Medicare assignment?
Yes. Medicare's clinician data says Mary B. Gauthier 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 Mary B. Gauthier?
(510) 307-1500, as listed in official Medicare / NPI Registry data.
What is Mary B. Gauthier's NPI number?
1487823936. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mary B. Gauthier works

Medicare's Facility Affiliation Data lists Mary B. Gauthier 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 Mary B. Gauthier is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mary B. Gauthier as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Richmond

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

All family doctors in Richmond →

Clinician information

CredentialMD
Medical schoolBoston University School Of Medicine
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487823936
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