Physician
Hrayr Pierre Attarian, MD
According to 2025 Medicare claims, Hrayr Attarian, MD (NPI: 1427089119) practices sleep medicine in the Chicago-Naperville-Schaumburg, IL market, with the plurality of this provider's patient population coming from Cook, IL. This provider's primary affiliated billing organization is NORTHWESTERN MEDICAL FACULTY FOUNDATION (NPI: 1346235314; TIN: 363097297) and primary practice location at 60611-2927. Attarian is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620), participating under the MSSP model.
Attarian's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 600 traditional Medicare patients, billed 1,034 HCPCS/CPT codes, and received $61,480 in Medicare payments. The top billing code was 99204 (New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more). Part D data shows 1,024 prescription claims across 184 beneficiaries totaling $231,989 in drug costs, led by Belsomra (Suvorexant). DME data shows 5,237 claims. Open Payments data shows 14 records totaling $17,267. 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 has changed little. Concurrently, Part D prescription costs have risen steadily, from $89,063 to $231,989. For DME billing, reported payments moved from a lower plateau to a higher plateau, from $86,494 to $223,110.