Dr. Nathan Kanyinda

Dr. Rahul Iyengar is a vitreoretinal surgeon at Retinal Consultants of Arizona who manages the full spectrum of medical and surgical retina care. His interests include age-related macular degeneration, diabetic retinopathy, retinal detachment, retinal vascular occlusions, epiretinal membranes, macular holes, and ocular trauma. He emphasizes thoughtful use of multimodal imaging and evidence-based treatments to achieve durable results. Dr. Iyengar graduated summa cum laude in Biomedical Engineering from the University of Michigan, where he also earned his medical degree as a merit scholarship recipient and AOA inductee. He completed ophthalmology residency at LAC+USC Medical Center, earning a Senior Resident Teaching Award, followed by a two-year vitreoretinal surgery fellowship with the USC Roski Eye Institute and Retina-Vitreous Associates, where he served as Chief Fellow. Patients can expect clear communication, collaborative decision-making, and meticulous surgical technique tailored to their goals and daily life.

Dr. Kevin R. Tozer is a corneal and refractive surgeon whose practice spans corneal surgery, laser vision correction, minimally invasive glaucoma surgery (MIGS), corneal collagen cross-linking, and cataract surgery. He provides advanced anterior-segment solutions tailored to each patient and has been recognized multiple times by Phoenix Magazine as a “Top Doc,” reflecting both technical excellence and compassionate care.Dr. Tozer earned a biomedical engineering degree (cum laude) from the University of Southern California and completed his medical degree at the Keck School of Medicine of USC. He finished an internship at St. Joseph’s Hospital and Medical Center in Phoenix, an ophthalmology residency at the University of Michigan Kellogg Eye Center, and the renowned Lindstrom Fellowship at Minnesota Eye Consultants with training in cornea, glaucoma, refractive, and advanced anterior-segment surgery. He is board-certified by the American Board of Ophthalmology and enjoys partnering with patients to explain options clearly and deliver precise, modern care.

Dr. Andreas Gonzalez is a vitreoretinal surgeon who treats a broad range of macular and retinal conditions. He cares for people with diabetic eye disease, retinal tears and detachments, macular holes and puckers, and complications of age-related macular degeneration. In the clinic he uses advanced imaging and targeted medications, and in the operating room he performs delicate microsurgery to restore or preserve vision. Dr. Gonzalez earned his medical degree at the University of Florida College of Medicine, completed ophthalmology residency at the University of Florida, and pursued a two-year vitreoretinal surgery fellowship at the University of Southern California Roski Eye Institute. Fluent in Spanish, he is committed to clear, compassionate communication and individualized care plans that help patients understand their condition and feel confident at every step.