Physician

Antoinette Roslyn Tan, MD

According to 2025 Medicare claims, Antoinette Tan, MD (NPI: 1982781738) practices medical oncology in the Charlotte-Concord-Gastonia, NC-SC market, with the plurality of this provider's patient population coming from Mecklenburg, NC. This provider's primary affiliated billing organization is THE CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITY (NPI: 1508135799; TIN: 56-0529945) and primary practice location at 28204-2990. Tan is affiliated with the Carolinas HealthCare System ACO, LLC (ACO ID: A3675), participating under the MSSP model.

Tan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 27 traditional Medicare patients, billed 53 HCPCS/CPT codes, and received $4,115 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 190 prescription claims across 51 beneficiaries totaling $235,636 in drug costs, led by Anastrozole (Anastrozole). 2022 DME data shows 17 claims. Open Payments data shows 48 records totaling $2,454,745. 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 higher plateau to a lower plateau, from $12,511 to $4,115. Similarly, Part D prescription costs have fallen sharply in recent years, from $190,886 to $235,636. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.