Physician
Thomas Tien, M.D.
According to 2025 Medicare claims, Thomas Tien, M.D. (NPI: 1700234051) practices ophthalmology in the Lancaster, PA market, with the plurality of this provider's patient population coming from Lancaster, PA. This provider's primary affiliated billing organization is FRANCIS J MANNING MD PC (NPI: 1720005465; TIN: 522406923) and primary practice location at 17603-7600. Tien is affiliated with the Keystone ACO (ACO ID: A1552) and Lancaster General Health Community Care Collaborative, LLC (ACO ID: A2019), participating under the MSSP model.
Tien's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 323 traditional Medicare patients, billed 861 HCPCS/CPT codes, and received $109,828 in Medicare payments. The top billing code was 66984 (Removal of cataract with insertion of prosthetic lens). Part D data shows 1,057 prescription claims across 367 beneficiaries totaling $268,951 in drug costs, led by Cyclosporine (Cyclosporine). Open Payments data shows 6 records totaling $406. 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 sharply higher in recent years, from $5,480 to $109,828. Similarly, Part D prescription costs have moved sharply higher in recent years, from $166 to $268,951. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.