Physician

Evelena Ontiveros, MD PHD

According to 2025 Medicare claims, Evelena Ontiveros, MD PHD (NPI: 1689886962) practices hematology/oncology in the Decatur, IL market, with the plurality of this provider's patient population coming from Macon, IL. This provider's primary affiliated billing organization is CANCER CARE SPECIALISTS OF CENTRAL ILLINOIS, S.C. (NPI: 1871580142; TIN: 371160364) and primary practice location at 62526-5858. Ontiveros is affiliated with the IRCCO (ACO ID: A2619), participating under the MSSP model.

Ontiveros' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 613 traditional Medicare patients, billed 182,322 HCPCS/CPT codes, and received $1,973,056 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 2,441 prescription claims across 366 beneficiaries totaling $5,783,987 in drug costs, led by Revlimid (Lenalidomide). 2021 DME data shows 81 claims. Open Payments data shows 25 records totaling $554. 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 $40,552 to $1,973,056. Similarly, Part D prescription costs have risen steadily, from $1,025,992 to $5,783,987. In contrast, DME billing represents a smaller volume and did not follow a clear longitudinal pattern.