Physician
Grant Wei-Siang Su, M.D.
According to 2025 Medicare claims, Grant Su, M.D. (NPI: 1386723781) practices ophthalmology in the Peoria, IL market, with the plurality of this provider's patient population coming from Peoria, IL. This provider's primary affiliated billing organization is SPRINGFIELD CLINIC, LLP (NPI: 1780638478; TIN: 370701328) and primary practice location at 62703-2403. Su is affiliated with the Springfield Clinic ACO, LLC (ACO ID: A2587), participating under the MSSP model.
Su's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 754 traditional Medicare patients, billed 9,774 HCPCS/CPT codes, and received $491,306 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 938 prescription claims across 614 beneficiaries totaling $16,356 in drug costs, led by Erythromycin (Erythromycin Base). 2023 DME data shows 11 claims. Open Payments data shows 5 records totaling $21,155. 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 $244,992 to $491,306. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $15,206 and ending at $16,356. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.