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Cardiac Electrophysiology

Brian M. Chesnie, MD

Works at hospitals in Newport Beach, CA · California

Summary

Dr. Brian M. Chesnie, MD is a cardiac electrophysiologist at 1501 Superior Ave, Suite 212, Newport Beach, CA 92663. Phone: (949) 574-4953. Accepts Medicare assignment. In 2024, Brian M. Chesnie had 774 Original Medicare patients and 6,807 services. NPI 1831196609. 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.

  • Specialty: Cardiac electrophysiologist (Medicare lists Cardiac Electrophysiology)
  • Address: 1501 Superior Ave, Suite 212, Newport Beach, CA 92663 · Directions (1 more location)
  • Phone: (949) 574‑4953
  • Medicare: Accepts Medicare assignment
  • Hospital: Hoag Memorial Hospital Presbyterian
  • Medical school: graduated 1976 (50 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Brian M. Chesnie, 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 Brian M. Chesnie accept Medicare assignment?
Yes. Medicare's clinician data says Brian M. Chesnie 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 Brian M. Chesnie see?
In 2024, CMS data shows 774 Original Medicare patients and 6,807 services for Brian M. Chesnie. This counts Original Medicare only and measures volume, not quality.
What is Brian M. Chesnie's NPI number?
1831196609. 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 Brian M. Chesnie, 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 patients774
Services billed to Medicare6,807
Different services or procedures45
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)1,347 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,025 services
  3. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)865 services
  4. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)704 services
  5. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician (93015)514 services

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 pressure75%
  • High cholesterol75%
  • Arthritis47%
  • Atrial fibrillation32%
  • Ischemic heart disease30%
  • Diabetes24%

Hospitals where Brian M. Chesnie works

Medicare's Facility Affiliation Data lists Brian M. Chesnie 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 Brian M. Chesnie is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Cardiac Electrophysiology doctors in California →

Other cardiac electrophysiologists in Newport Beach

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

All cardiac electrophysiologists in Newport Beach →

Clinician information

CredentialMD
Graduation year1976 (50 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831196609
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