Physician

Yi Feng, MD

According to 2025 Medicare claims, Yi Feng, MD (NPI: 1639179229) practices medical oncology in the Knoxville, TN market, with the plurality of this provider's patient population coming from Knox, TN. This provider's primary affiliated billing organization is TENNESSEE CANCER SPECIALISTS PLLC (NPI: 1841228871; TIN: 200677400) and primary practice location at 37932-3366.

Feng's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,028 traditional Medicare patients, billed 490,822 HCPCS/CPT codes, and received $7,422,035 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 2,136 prescription claims across 399 beneficiaries totaling $5,933,279 in drug costs, led by Pomalyst (Pomalidomide). DME data shows 36 claims. Open Payments data shows 217 records totaling $7,107. 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 moved from a lower plateau to a higher plateau, from $2,107,329 to $7,422,035. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $1,203,488 to $5,933,279. In contrast, DME billing represents a smaller volume and did not follow a clear longitudinal pattern.