Rocio Diaz, M.D.

Dr. Rocio Diaz is a fellowship-trained retina specialist, specializing in medical and surgical retina, as well as a board-certified ophthalmologist. Dr. Diaz is fluent in English and Spanish. She was born and raised in Panama City, Panama, where she obtained her medical degree, becoming the first physician in her family.

Following her work as a research fellow, Dr. Diaz completed her Ophthalmology residency at the Hamilton Eye Institute, in Memphis, TN. She then moved to Omaha, NE to train as a retina fellow at the Truhlsen Eye Institute, University of Nebraska Medical Center. After completing her fellowship, she moved to Medford, OR and worked for three years at the prestigious Retina Care Center, a well-known referral center for southern Oregon and northern California.
While Dr. Diaz practices a full spectrum of retinal conditions, her interests include diagnosis and treatment of age-related macular degeneration, diabetic retinopathy, macular edema, vitreous floaters, epiretinal membranes, macular holes, retinal tears and retinal detachments.

Dr. Diaz moved to Rapid City during the summer of 2023 to join her family. Her husband, Dr. Colin Brown, is a LASIK, cataract and cornea specialist at Wright Vision Center. They are blessed with a beautiful baby girl, and they enjoy their free time exploring the Black Hills, and spending time with their family and friends. Dr. Diaz loves stand-up comedy, cooking, and she is an amateur gardener and bird watcher.

Dr. Linquist grew up in Sturgis, South Dakota, and received her undergraduate degree from Black Hills State University before attending medical school at the University of South Dakota. She completed residency training in ophthalmology at the University of Kansas. She joined Rapid City Medical Center in 2013 and is proud to serve the Black Hills Community.

Practicing general ophthalmology allows her to treat a wide variety of disorders affecting the eyes including glaucoma, retinal disorders, cataract surgeries and eyelid surgeries, among other conditions. The thing she enjoys most about practicing medicine is establishing relationships and continuing care with her patients.

She loves being outside in her spare time. She enjoys running, snowmobiling, camping and spending time with her family and dogs—she has two Weimaraners.

Dr. Bernard is a native South Dakotan who grew up in Wall and Spearfish. In 2000, after completing her ophthalmology residency at the University of Colorado, she joined Dr. Herlihy and the Ophthalmology Department at Rapid City Medical Center.

She treats a broad spectrum of eye problems with special interests in cataract surgery, glaucoma, and a variety of eyelid disorders.

She has four daughters and an extended local family. She and her husband enjoy skiing, camping, mountain biking, and travel.