Michael J. Gault, M.D.
NPI 1598857930ActiveIndividual· Internal Medicine, Cardiovascular Disease· Laguna Hills, CA
Internal Medicine, Cardiovascular Disease (M.D.) in Laguna Hills, California, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $953,326 for 4,552 claims, against $392,489 paid for services in 2024. Aop Health US, LLC was the largest of 30 companies reporting payments in 2025, $5,116 in all, mostly food and beverage.
Overview
| NPI | 1598857930 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 29, 2006 |
| Last updated in NPPES | Sep 10, 2026 |
| Certified by provider | Sep 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | G72812 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,033 |
|---|---|
| Services billed | 5,372 across 66 procedure codes |
| Paid by Medicare | $392,489 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,552 · 12,270 30-day fills |
|---|---|
| Patients | 594 |
| Total drug cost | $953,326 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- South Orange County Cardiology GrpLaguna Hills, CA · 10 clinicians
Hospital affiliations
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
Industry payments (Open Payments)
- 2025$5,116 · 135 payments from 30 companies
- 2024$3,438 · 133 payments from 31 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aop Health US, LLC | $1,290 | 2 |
| Medtronic, Inc. | $856.60 | 15 |
| Boston Scientific Corporation | $418.71 | 9 |
| Stryker Corporation | $385.67 | 5 |
| E.R. Squibb & Sons, L.L.C. | $273.85 | 22 |
What the 2025 payments were for
- Food and Beverage$5,110 · 134 payments
- Travel and Lodging$6.33 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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