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Emergency Medicine

Andrew Staffaroni, MD

Works at hospitals in Antioch, CA · Walnut Creek, CA · California

Summary

Dr. Andrew Staffaroni, MD is an emergency medicine doctor at 1425 S Main St, Walnut Creek, CA 94596. Phone: (925) 295-4000. Accepts Medicare assignment. In 2024, Andrew Staffaroni had 23 Original Medicare patients and 28 services. NPI 1528453610. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Andrew Staffaroni, 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 Andrew Staffaroni accept Medicare assignment?
Yes. Medicare's clinician data says Andrew Staffaroni 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.
How many Medicare patients does Andrew Staffaroni see?
In 2024, CMS data shows 23 Original Medicare patients and 28 services for Andrew Staffaroni. This counts Original Medicare only and measures volume, not quality.
What is Andrew Staffaroni's NPI number?
1528453610. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Andrew Staffaroni, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients23
Services billed to Medicare28
Different services or procedures9
Participating Medicare providerYes
Average age of these patients60

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure61%
  • Anxiety52%

Hospitals where Andrew Staffaroni works

Medicare's Facility Affiliation Data lists Andrew Staffaroni at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Andrew Staffaroni is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Andrew Staffaroni as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Walnut Creek

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

All emergency medicine doctors in Walnut Creek →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528453610
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians