Physician

Fernando Cristobal Diaz, MD

According to 2025 Medicare claims, Fernando Diaz, MD (NPI: 1902333545) practices hematology/oncology in the McAllen-Edinburg-Mission, TX market, with the plurality of this provider's patient population coming from Hidalgo, TX. This provider's primary affiliated billing organization is TEXAS ONCOLOGY PA (NPI: 1811944101; TIN: 752131429) and primary practice location at 78503-1271.

Diaz's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 94 traditional Medicare patients, billed 10,815 HCPCS/CPT codes, and received $129,475 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 438 prescription claims across 96 beneficiaries totaling $30,332 in drug costs, led by Mirtazapine (Mirtazapine). Open Payments data shows 3 records totaling $61. 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 have moved sharply higher in recent years, from $620 to $30,332. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.