Brianna Thiessen
NPI 1588018584ActiveIndividual· Emergency Medicine· Riverside, CA
Emergency Medicine with Southern California Permanente Medical Group, practicing in Riverside, California. Their prescriptions cost Medicare Part D more than their services did: $3,970 for 227 claims, against $2,066 paid for services in 2024. Lists Kaiser Foundation Hospital, Riverside as a hospital affiliation.
Overview
| NPI | 1588018584 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 16, 2016 |
| Last updated in NPPES | Oct 27, 2023 |
| Certified by provider | Jul 23, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A20763 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 22 across 3 procedure codes |
| Paid by Medicare | $2,066 |
Part D prescriptions in 2024
| Prescriptions (claims) | 227 · 230 30-day fills |
|---|---|
| Patients | 147 |
| Total drug cost | $3,970 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital, RiversideRiverside, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 108 emergency medicine physicians in Riverside · All emergency medicine physicians in California