Kevin Breck Westbrook, M.D.
NPI 1508445859ActiveIndividual· Family Medicine· Simi Valley, CA
Family Medicine (M.D.) in Simi Valley, California, trained at Un of California, Riverside, School of Medicine (class of 2021). Their prescriptions cost Medicare Part D more than their services did: $79,089 for 677 claims, against $12,743 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $172.24 in all, mostly food and beverage.
Overview
| NPI | 1508445859 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 5, 2021 |
| Last updated in NPPES | Oct 23, 2024 |
| Certified by provider | Oct 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A196164 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 138 across 22 procedure codes |
| Paid by Medicare | $12,743 |
Part D prescriptions in 2024
| Prescriptions (claims) | 677 · 1,329 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $79,089 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Un of California, Riverside, School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Adventist Health Physicians NetworkSaint Helena, CA · 628 clinicians
- Simi Medical Group, IncSimi Valley, CA · 3 clinicians
Industry payments (Open Payments)
- 2025$172.24 · 3 payments from 2 companies
- 2024$134.74 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $147.61 | 2 |
| W. L. Gore & Associates, Inc. | $24.63 | 1 |
What the 2025 payments were for
- Food and Beverage$172.24 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 family medicine physicians in Simi Valley · All family medicine physicians in California