Dr. Colin Mcinnis

Ophthalmology – Glaucoma Specialist

Bozeman, MT

Dr. Colin McInnis is an ophthalmologist who grew up in Bozeman and recently returned to Montana with his family. He cares for patients in Livingston and Bozeman as a visiting specialist and values building long-term relationships that support eye health over a lifetime. In clinic and the operating room, he’s motivated by the ability to improve quality of life with modern diagnostics and surgical technology, and he works closely with primary care providers and local optometrists to coordinate care. Outside of medicine, he enjoys Montana’s outdoors—hiking, hunting, fishing, and skiing—and the chance to serve neighbors and friends in the community where he was raised. Dr. McInnis completed undergraduate studies at Carroll College in Helena, attended the University of Washington through the WWAMI program for medical school, finished an ophthalmology residency at the University of Arizona, and pursued fellowship training in glaucoma at the University of Wisconsin–Madison.

Dr. Brock Alonzo

Ophthalmology – Glaucoma Specialist

Hamilton, MT

Dr. Brock Alonzo is a comprehensive ophthalmologist with focused expertise in glaucoma and cataract care. He earned his medical degree with highest distinction from Oregon Health & Science University, completed an internship at Scripps Mercy Hospital in San Diego, and returned to the Casey Eye Institute for ophthalmology residency. He then completed advanced fellowship training in glaucoma, cataract, and intraocular lens surgery at the Moran Eye Center in Salt Lake City. Dr. Alonzo offers a full spectrum of glaucoma therapies—from medications and SLT laser to modern MIGS procedures and traditional surgeries—along with cataract surgery using advanced IOL technology when appropriate. He enjoys partnering with patients to preserve sight through personalized plans that match their goals and lifestyles. Outside of clinical practice, he stays active in professional societies and enjoys time outdoors with his family in the Rockies.