Medicare Part D Prescribers in Irvine, California
8 flagged and high-volume prescribers across 4 medical specialties.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
8
Providers
$7.0M
Total Drug Cost
1
High Risk
1.8%
Avg Opioid Rate
High-Risk Providers in Irvine
Providers flagged by our multi-factor risk scoring model. Risk scores are statistical indicators, not allegations of wrongdoing. Learn about our methodology.
| Provider | Drug Cost | Opioid Rate |
|---|---|---|
| Linda Hillebrand | $2,338 | 0.0% |
Top Prescribers by Drug Cost
| Provider | Claims | Drug Cost |
|---|---|---|
| Albert Chang | 19,140 | $3.2M |
| Maryam Rahnemun | 9,584 | $1.7M |
| Christopher Salem | 20,209 | $1.6M |
| Tammy Ho | 2,646 | $468K |
| Linda HillebrandHigh Risk | 45 | $2,338 |
| Maria Padilla | N/A | N/A |
| Barbara Kangas | N/A | N/A |
| Barbara Greenwell | N/A | N/A |
Specialties in Irvine
Family Practice
3 providers
Nurse Practitioner
3 providers
Urology
1 provider
Internal Medicine
1 provider
Explore More
Data from CMS Medicare Part D Prescriber Public Use File, 2023. Only providers meeting CMS disclosure thresholds are included. Risk scores are statistical indicators based on prescribing pattern analysis — not allegations of fraud or wrongdoing.