Physician
Arash A. Horizon, M.D.
According to 2025 Medicare claims, Arash Horizon, M.D. (NPI: 1881694131) practices rheumatology in the Los Angeles-Long Beach-Glendale, CA market, with the plurality of this provider's patient population coming from Los Angeles, CA. This provider's primary affiliated billing organization is CENTER FOR RHEUMATOLOGY MEDICAL CORPORATION (NPI: 1982911160; TIN: 262900972) and primary practice location at 90048-3386. Horizon is affiliated with the VBCA NATIONAL ACO LLC (ACO ID: A5495), participating under the MSSP model.
Horizon's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 603 traditional Medicare patients, billed 501,416 HCPCS/CPT codes, and received $5,718,299 in Medicare payments. The top billing code was 80053 (Blood test, comprehensive group of blood chemicals). Part D data shows 4,391 prescription claims across 443 beneficiaries totaling $4,123,755 in drug costs, led by Stelara (Ustekinumab). 2020 DME data shows 12 claims. Open Payments data shows 2 records totaling $38. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.
Over the past 10 years, this provider's Medicare Part B carrier billing did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have moved sharply higher in recent years, from $2,304,164 to $4,123,755. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.