Mai Brooks, MD
NPI 1952315640ActiveIndividual· Surgery, Surgical Oncology· Thousand Oaks, CA
Surgery, Surgical Oncology (MD) in Thousand Oaks, California, trained at Harvard Medical School (class of 1988). 744 Medicare patients in 2024, $282,047 paid; nearly all of their 534 Part D prescriptions were generic (99%). Merit Medical Systems Inc reported $95.33 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1952315640 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Nov 24, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | G81443 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 744 |
|---|---|
| Services billed | 1,490 across 57 procedure codes |
| Paid by Medicare | $282,047 |
Part D prescriptions in 2024
| Prescriptions (claims) | 534 · 546 30-day fills |
|---|---|
| Patients | 176 |
| Total drug cost | $2,782 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | General Surgery |
| Secondary specialties | Surgical Oncology |
Hospital affiliations
- Adventist Health Simi ValleySimi Valley, CA
- Los Robles Hospital & Medical CenterThousand Oaks, CA
- UCLA West Valley Medical CenterWest Hills, CA
Industry payments (Open Payments)
- 2025$95.33 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merit Medical Systems Inc | $95.33 | 1 |
What the 2025 payments were for
- Food and Beverage$95.33 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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