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Cardiac Electrophysiology

Ashish M. Shah, DO

Works at hospitals in Laguna Hills, CA · Mission Viejo, CA · California

Summary

Dr. Ashish M. Shah, DO is a cardiac electrophysiologist at 24012 Calle De La Plata, Suite 450, Laguna Hills, CA 92653. Phone: (949) 770-6252. Accepts Medicare assignment. In 2024, Ashish M. Shah had 747 Original Medicare patients and 4,732 services. NPI 1831326479. 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: 24012 Calle De La Plata, Suite 450, Laguna Hills, CA 92653 · Directions (1 more location)
  • Phone: (949) 770‑6252
  • Medicare: Accepts Medicare assignment
  • Hospitals: Memorialcare Saddleback Medical Center, Providence Mission Hospital
  • Group practice: South Orange County Cardiology GRP
  • Medical school: Midwestern University, Chicago College Of Osteopathic Med · graduated 2009 (17 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ashish M. Shah, 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 Ashish M. Shah accept Medicare assignment?
Yes. Medicare's clinician data says Ashish M. Shah 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 Ashish M. Shah see?
In 2024, CMS data shows 747 Original Medicare patients and 4,732 services for Ashish M. Shah. This counts Original Medicare only and measures volume, not quality.
What is Ashish M. Shah's NPI number?
1831326479. 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 Ashish M. Shah, 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 patients747
Services billed to Medicare4,732
Different services or procedures81
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)608 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)497 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)493 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)324 services
  5. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)247 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%
  • Atrial fibrillation55%
  • Arthritis44%
  • Ischemic heart disease42%
  • Chronic kidney disease34%

Hospitals where Ashish M. Shah works

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

Group practices

Medicare enrollment lists Ashish M. Shah as a member of this group (CMS data updated October 2, 2026).

  • South Orange County Cardiology GRP10 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in California →

Other cardiac electrophysiologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All cardiac electrophysiologists in California →

Other clinicians in South Orange County Cardiology GRP

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

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831326479
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