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Anesthesiology

Jessie X. Ma, MD

Sees patients in Walnut Creek, CA · California

Summary

Dr. Jessie X. Ma, MD is an anesthesiologist at 100 N Wiget Ln, Suite 140, Walnut Creek, CA 94598. Phone: (925) 478-5444. Accepts Medicare assignment. NPI 1952988545. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 100 N Wiget Ln, Suite 140, Walnut Creek, CA 94598 · Directions
  • Phone: (925) 478‑5444
  • Medicare: Accepts Medicare assignment
  • Group practice: G2 Anesthesia PC
  • Medical school: Medical College Of Wisconsin · graduated 2021 (5 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jessie X. Ma, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jessie X. Ma accept Medicare assignment?
Yes. Medicare's clinician data says Jessie X. Ma accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Jessie X. Ma's NPI number?
1952988545. 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 Jessie X. Ma is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jessie X. Ma as a member of this group (CMS data updated October 2, 2026).

  • G2 Anesthesia PC107 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 →

Other clinicians in G2 Anesthesia PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2021 (5 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952988545
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 October 2, 2026, retrieved October 29, 2026
  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