Cassandra L. Brewster, MD
NPI 1801826193ActiveIndividual· Family Medicine· Harrisonville, MO
Family Medicine (MD) in Harrisonville, Missouri, trained at University of Missouri, Kansas City, School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $817,134 for 10,121 claims, against $53,529 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $499.25 in all, mostly food and beverage.
Overview
| NPI | 1801826193 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 3, 2006 |
| Last updated in NPPES | Apr 6, 2026 |
| Certified by provider | Apr 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2005036189 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 298 |
|---|---|
| Services billed | 935 across 33 procedure codes |
| Paid by Medicare | $53,529 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,121 · 25,886 30-day fills |
|---|---|
| Patients | 805 |
| Total drug cost | $817,134 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Family Practice |
Medical group
- Cass Regional Medical CenterHarrisonville, MO · 45 clinicians
Hospital affiliations
- Belton Regional Medical CenterBelton, MO
- Cass Regional Medical CenterHarrisonville, MO
Industry payments (Open Payments)
- 2025$499.25 · 26 payments from 13 companies
- 2024$681.64 · 41 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $109.11 | 5 |
| Lilly USA, LLC | $92.00 | 5 |
| Astrazeneca Pharmaceuticals LP | $60.71 | 3 |
| Dexcom, Inc. | $44.09 | 2 |
| Sumitomo Pharma America, Inc. | $37.46 | 2 |
What the 2025 payments were for
- Food and Beverage$499.25 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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