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Brock Alonzo, MD

Gender Male
Facilities Eye Clinic
Undergraduate Montana State University, Bozeman, MT
Medical School Oregon Health & Science University, Portland, OR
Medical Internship Scripps Mercy Hospital, San Diego, California
Ophthalmology Residency Oregon Health & Science’s Casey Eye Institute, Portland, OR
Fellowship University of Utah’s Moran Eye Center, Salt Lake City, UT
Focusing in glaucoma, cataract, and intraocular lens surgery.
Board certification
  • American Glaucoma Society
  • American Academy of Ophthalmology
  • American Society of Cataract and Refractive Surgery
  • Alpha-Omega-Alpha Honor Medical Society


Dr. Alonzo studied medicine in Bozeman, Portland, and Salt Lake City. He specializes in cataract surgery and the treatment of glaucoma. He has published multiple papers and presented at numerous national meetings. Dr. Alonzo is actively involved in outreach and has traveled to Samoa and the Navajo Nation to perform and teach sight-restoring surgery.

Dr. Alonzo and his wife, Erin, both grew up in Missoula. They have three daughters, and when he’s not seeing patients, he enjoys spending time outdoors fly-fishing, hunting, skiing, and mountain biking.