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

Anesthesiology

Bejoy G. Thomas, MD

Works at hospitals in San Leandro, CA · California

Summary

Bejoy G. Thomas, MD (Anesthesiology) is listed by Medicare at 1 hospital in San Leandro, CA. NPI 1730390675. 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 Bejoy G. Thomas, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
New York Medical CollegeMedical school
MaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Which hospitals does Bejoy G. Thomas work at?
Medicare's official clinician data lists Bejoy G. Thomas at 1 hospital: Kaiser Foundation Hospital - San Leandro. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Bejoy G. Thomas see patients?
Medicare's clinician data lists 1 practice location in San Leandro, CA. Call before your visit to confirm the address.
What is Bejoy G. Thomas's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Bejoy G. Thomas accept Medicare assignment?
Yes. Medicare's clinician data says Bejoy G. Thomas 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 Bejoy G. Thomas?
(510) 454-1000, as listed in official Medicare / NPI Registry data.
What is Bejoy G. Thomas's NPI number?
1730390675. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Bejoy G. Thomas works

Medicare's Facility Affiliation Data lists Bejoy G. Thomas 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 Bejoy G. Thomas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Bejoy G. Thomas as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in San Leandro

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

All anesthesiologists in San Leandro →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730390675
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