About
Gaddiel D. Rios, MD is a family medicine physician practicing in Rapid City, South Dakota through his MDVIP affiliation with Monument Health. He earned his medical degree from Tufts University School of Medicine on a military scholarship. His residency training in family medicine took place at Darnall Army Community Hospital in Fort Hood, Texas, where he trained from 2001 to 2003. He holds board certification from the American Board of Family Medicine. Dr. Rios speaks both English and Spanish and currently serves as Associate Chief of Staff at Black Hills Health Care VA Hospital.
Growing up in the northeast, raised by a single mother in project housing, Dr. Rios developed a strong sense of responsibility that shapes his care philosophy today. He practiced in Houston, where he earned certificates of excellence in diabetes management. His approach prioritizes lifestyle changes and healthy-natural living, including vegetarian and vegan cooking techniques, exercise, and conditioning. He treats patients as individuals and focuses on reducing medication use where appropriate. Dr. Rios considers it a privilege to be present for life's most significant moments, from welcoming newborns to supporting families at end of life. He lives in South Dakota with his wife.
Education & Training
Medical School
Tufts University School of Medicine
Additional Training
Certificates of excellence in diabetes management (Houston)
Conditions Treated
Who is Dr. Rios right for?
Dr. Rios is a strong fit for adults seeking a physician who prioritizes lifestyle over medication. Patients managing diabetes, weight concerns, or stress and anxiety benefit from his natural, hands-on approach. He serves patients across all life stages, from newborns to older adults nearing end of life. His bilingual skills make him a good match for Spanish-speaking patients in the Rapid City and Black Hills area. Patients who value direct access to their doctor, including after-hours availability, will find his MDVIP model well suited to their needs.
Similar Doctors Nearby
Dr. Tricia BirdwellMD
Family Medicinediabetes, hypertension, thyroid disorders +8 more
Dr. Eric FauschMD
Family Medicinecomplex multisystemic disease, chronic conditions, acute illness
Dr. Kathryn FauschMD
Family Medicinechronic disease, perimenopause, menopause +6 more
Frequently Asked Questions
Dr. Rios focuses on diabetes management, weight management, and stress and anxiety reduction. He takes a lifestyle-first approach to these conditions, emphasizing healthy-natural living, exercise, and dietary changes. He earned certificates of excellence in diabetes management during his time practicing in Houston.
Yes, Dr. Rios holds board certification from the American Board of Family Medicine. He earned his medical degree from Tufts University School of Medicine and completed his family medicine residency at Darnall Army Community Hospital in Fort Hood, Texas.
Dr. Rios prioritizes lifestyle changes over medication when clinically appropriate. He works with patients on healthy-natural living strategies, including nutrition, exercise, and conditioning. His goal is to reduce medication dependence where possible while collaborating with each patient on their individual health journey.
Yes, Dr. Rios speaks both English and Spanish. This allows him to serve a broader range of patients in the Rapid City and Black Hills communities.
Dr. Rios sees patients across all life stages as a family medicine physician. He cares for newborns, adults managing chronic conditions, and patients in end-of-life care. He treats every patient as he would a member of his own family.
Dr. Rios earned his medical degree from Tufts University School of Medicine in Boston. , and a family medicine residency at Darnall Army Community Hospital in Fort Hood, Texas.
Yes, Dr. Rios has an extensive military background. He accepted a military scholarship to attend Tufts University School of Medicine. He served as a General Medical Officer in Mons, Belgium and deployed to Operation Iraqi Freedom. He currently serves as Associate Chief of Staff at Black Hills Health Care VA Hospital.
Dr. Rios champions what he calls healthy-natural living. This philosophy includes vegetarian and vegan cooking techniques, regular exercise, and conditioning. He collaborates with each patient individually to build a plan that fits their goals and lifestyle.
Doctor profile last updated June 6, 2026