Three doctors join Intermountain Medical Group

Headshots from left to right, Jotham Manwaring, Tyler Hansen, Mark Stevens | Headshots courtesy of Intermountain Medical Group, St. George News

ST. GEORGE  — Neurosurgeon Jotham Manwaring, allergist Mark Stevens and family medicine physician Tyler Hansen joined the Intermountain Medical Group team in the Southwest region.

The new physicians are accepting patients at their respective offices.

Jotham Manwaring

Manwaring, a neurosurgeon, joined the Southern Utah Neurosciences Institute, 652 S. Medical Center Drive, Suite 420 in St. George, July 13.

The clinic is accepting appointments for Manwaring at 435-251-6800.

A Phoenix native, Manwaring earned a bachelor’s degree in neuroscience from Brigham Young University then received a medical degree from University of Utah School of Medicine. He completed an internship at the University of Utah followed by a neurological surgery residency at the University of South Florida. He also received focused neurosurgical training in Germany and at the Shriner’s Hospital for Children.

Manwaring has published a number of book chapters, articles and abstracts on various neurosurgical topics and has a particular interest in complex brain surgery, minimally invasive spine surgery and pediatric spine deformity.

Mark Stevens

Mark Stevens, an allergist, started providing service July 15 at Intermountain Redrock Allergy Clinic located at 577 S. River Road, St. George.

The clinic, located inside the same building as the Intermountain InstaCare, is now accepting appointments for Stevens at 435-688-6288. Patients of all ages are accepted.

A native of Houston, Texas, Stevens earned his bachelor’s degree from the University of Utah and a medical degree from the Ohio State University School of Medicine. He completed an internal medicine residency at the University of Iowa and an allergy/immunology clinical fellowship at Creighton University.

Stevens has lectured and published on many allergy and immunology related topics and is involved in a number of clinical research studies. He has a special interest in asthma, food and drug allergy, immunodeficiencies and eosinophilic disorders.

In his spare time, Stevens enjoys spending time with his family, skiing, hiking and bicycling. He and his family are excited to call Southern Utah home.

Tyler Hansen

Tyler Hansen began seeing patients as a family medicine physician July 16 at Intermountain Hurricane Valley Clinic, 75 W. 2260 North in Hurricane.

The clinic is accepting appointments for Hansen at 435-635-6400.

Originally from Ivins, Hansen graduated with a bachelor’s degree in biology from Southern Utah University and a medical degree from Des Moines University. He completed a family medicine residency at Utah Valley Family Medicine Residency in Provo. During his residency, Hansen was named family medicine chief resident.

He has training and interest in preventative care, geriatrics, diabetes, hypertension, obstetrics, pediatrics, fracture care, sports medicine, dermatology and basic mental health (anxiety, depression, obsessive-compulsive disorder and bipolar disorder).

In his spare time, he enjoys golfing, snowboarding, mountain biking, camping and spending time with his family. Hansen and his family are pleased to call Hurricane home.


  • For more information on Manwarin, call 435-251-6800
  • For more information on Hansen, call 435-635-6400
  • For more information on Stevens, call 435-688-6288

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  • justcurious213 July 19, 2015 at 1:52 pm

    When will St George start get more FEMALE physicians? We need them here..Geez.

    • fun bag July 19, 2015 at 4:06 pm

      IHC is a mormon-run old boy network, so prob not any time soon…

      • NotSoFast July 20, 2015 at 7:53 am

        Fun Bag is so on top of things. Idiot

        • fun bag July 20, 2015 at 11:32 am

          when presented with facts they don’t like mormons will resort to crying and name calling…

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