Physician

Louis Cai

According to 2025 Medicare claims, Louis Cai (NPI: 1194220632) practices ophthalmology in the Santa Cruz-Watsonville, CA market, with the plurality of this provider's patient population coming from Santa Cruz, CA. This provider's primary affiliated billing organization is RETINAL DIAGNOSTIC CENTER A MEDICAL CORPORATION (NPI: 1518030568; TIN: 942711267) and primary practice location at 95076-2491.

Cai's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 382 traditional Medicare patients, billed 5,353 HCPCS/CPT codes, and received $246,865 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 238 prescription claims across 107 beneficiaries totaling $12,013 in drug costs, led by Prednisolone Acetate (Prednisolone Acetate). Open Payments data shows 18 records totaling $796. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.