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

Cardiovascular Disease (Cardiology)

Michael J. Gault, MD

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

Summary

Michael J. Gault, MD (Cardiovascular Disease (Cardiology)) is listed by Medicare at 2 hospitals in Laguna Hills, CA and Mission Viejo, CA. NPI 1598857930. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael J. Gault, 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
R Franklin University Of Med & Sci/chicago Medical SchoolMedical school
MaleGender (as listed)
South Orange County Cardiology GRPGroup practice

Quick answers

Which hospitals does Michael J. Gault work at?
Medicare's official clinician data lists Michael J. Gault at 2 hospitals: Memorialcare Saddleback Medical Center and Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael J. Gault see patients?
Medicare's clinician data lists 2 practice locations, including Laguna Hills, CA. Call before your visit to confirm the address.
What is Michael J. Gault's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
Does Michael J. Gault accept Medicare assignment?
Yes. Medicare's clinician data says Michael J. Gault 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 Michael J. Gault?
(949) 770-6252, as listed in official Medicare / NPI Registry data.
What is Michael J. Gault's NPI number?
1598857930. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael J. Gault works

Medicare's Facility Affiliation Data lists Michael J. Gault at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Michael J. Gault is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael J. Gault as a member of this group (CMS data updated 2026-10-02).

  • South Orange County Cardiology GRP10 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Laguna Hills

Clinicians with the same Medicare primary specialty in Laguna Hills, CA — not a recommendation.

All cardiologists in Laguna Hills →

Clinician information

CredentialMD
Medical schoolR Franklin University Of Med & Sci/chicago Medical School
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598857930
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians