Physician
Yong H Tsai, M.D.
According to 2025 Medicare claims, Yong Tsai, M.D. (NPI: 1659363505) practices rheumatology in the Deltona-Daytona Beach-Ormond Beach, FL market, with the plurality of this provider's patient population coming from Volusia, FL. This provider's primary affiliated billing organization is ARTHRITIS AUTOIMMUNE AND ALLERGY (NPI: 1417148032; TIN: 331155955) and primary practice location at 32117-5536.
Tsai's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 864 traditional Medicare patients, billed 218,523 HCPCS/CPT codes, and received $1,920,195 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 10,203 prescription claims across 1,595 beneficiaries totaling $7,655,250 in drug costs, led by Enbrel Mini (Etanercept). 2022 DME data shows 18 claims. Open Payments data shows 70 records totaling $72,576. 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 $1,148,461 to $1,920,195. Similarly, Part D prescription costs have moved sharply higher in recent years, from $2,059,119 to $7,655,250. In contrast, DME billing represents a smaller volume and did not follow a clear longitudinal pattern.