Physician

Adam Jacob Grunbaum, DO, FACOI, FACR

According to 2025 Medicare claims, Adam Grunbaum, DO, FACOI, FACR (NPI: 1255522488) practices rheumatology in the Tampa, FL market, with the plurality of this provider's patient population coming from Pasco, FL. This provider's primary affiliated billing organization is GULF COAST RHEUMATOLOGY, PLLC (NPI: 1164955027; TIN: 473247211) and primary practice location at 34655-1810.

Grunbaum's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 506 traditional Medicare patients, billed 89,301 HCPCS/CPT codes, and received $1,138,270 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 4,097 prescription claims across 650 beneficiaries totaling $3,645,111 in drug costs, led by Enbrel Sureclick (Etanercept). 2017 DME data shows 11 claims. Open Payments data shows 111 records totaling $2,433. 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 from a lower plateau to a higher plateau, from $1,037,962 to $3,645,111. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $1,175 and ending at $940.