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

Anesthesiology

James Syme, MD

Sees patients in Walnut Creek, CA · San Jose, CA · Las Vegas, NV · California, Nevada

Summary

James Syme, MD (Anesthesiology) is enrolled with Medicare at 3 practice locations in Walnut Creek, CA, San Jose, CA and Las Vegas, NV. NPI 1841242039. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James Syme, 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
24Years since medical school (graduated 2002)
Lake Erie College Of Osteopathic Medicine, ErieMedical school
MaleGender (as listed)
G2 Anesthesia PCGroup practice (+1 more)

Quick answers

Where does James Syme see patients?
Medicare's clinician data lists 3 practice locations, including Walnut Creek, CA, San Jose, CA and Las Vegas, NV. Call before your visit to confirm the address.
What is James Syme's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does James Syme accept Medicare assignment?
Yes. Medicare's clinician data says James Syme 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 James Syme?
(925) 478-5444, as listed in official Medicare / NPI Registry data.
What is James Syme's NPI number?
1841242039. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where James Syme is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James Syme as a member of these groups (CMS data updated 2026-10-02).

  • G2 Anesthesia PC107 clinicians in the group
  • Office Anesthesia Consultants LLC11 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Walnut Creek

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

All anesthesiologists in Walnut Creek →

Clinician information

CredentialMD
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841242039
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians