He completed a residency at Providence Hospital and Medical Center. Dr. Trisal also specializes in Surgical Oncology. He currently practices at City of Hope National Medical Center Cardiology and is affiliated with Antelope Valley Hospital and City of Hope National Medical Center. Dr. Trisal accepts multiple insurance plans including Aetna, Medicare and Cigna. Dr. Trisal also practices at Regional Valley Surgery Center in Lancaster, CA. In addition to English, Dr. Trisal's practice supports these languages: Tagalog, Arabic, Russian and Spanish.