Medicare Part D Prescribers in Northridge, California

5 flagged and high-volume prescribers across 3 medical specialties.

Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026

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5

Providers

$17.2M

Total Drug Cost

0

High Risk

2.4%

Avg Opioid Rate

Top Prescribers by Drug Cost

ProviderClaimsDrug Cost
Arthur Karaguezian30,917$6.5M
Siamak Etehad26,131$4.5M
Fawzy Basta10,888$2.2M
Fariba Javaherian17,708$2.1M
Masoud Azizad8,894$2.0M

Specialties in Northridge

Internal Medicine

3 providers

Family Practice

1 provider

Psychiatry

1 provider

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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.