Physician

David L. Grinblatt, MD

According to 2025 Medicare claims, David Grinblatt, MD (NPI: 1548285372) practices hematology 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 ENDEAVOR HEALTH MEDICAL GROUP (NPI: 1497701882; TIN: 363738206) and primary practice location at 60201-1700.

Grinblatt's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 569 traditional Medicare patients, billed 2,308 HCPCS/CPT codes, and received $150,742 in Medicare payments. The top billing code was 99205 (New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more). Part D data shows 1,922 prescription claims across 223 beneficiaries totaling $8,218,852 in drug costs, led by Revlimid (Lenalidomide). Open Payments data shows 51 records totaling $83,185. 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 $99,408 to $150,742. Similarly, Part D prescription costs have risen steadily, from $2,593,334 to $8,218,852. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.