Physician

Shereen Juhsun Chang, MD

According to 2025 Medicare claims, Shereen Chang, MD (NPI: 1508917857) practices neurology in the Cedar Rapids, IA market, with the plurality of this provider's patient population coming from Linn, IA. This provider's primary affiliated billing organization is PHYSICIANS' CLINIC OF IOWA, PC (NPI: 1821075599; TIN: 421462899) and primary practice location at 52403-2404. Chang is affiliated with the UnityPoint Accountable Care, L.C. (ACO ID: A5170) and Aledade 155 National MSSP (ACO ID: A5358), participating under the MSSP model.

Chang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 546 traditional Medicare patients, billed 23,948 HCPCS/CPT codes, and received $249,405 in Medicare payments. The top billing code was 99222 (Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes). Part D data shows 1,185 prescription claims across 193 beneficiaries totaling $241,648 in drug costs, led by Namzaric (Memantine Hcl/Donepezil Hcl). Open Payments data shows 20 records totaling $286. 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 risen steadily, from $120,353 to $249,405. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.