telemedicine company for hospitals
telemedicine company for hospitals


Darin Willardsen is currently the Chief Executive Officer of Horizon Virtual, our telemedicine company for hospitals. He has recently served as the Chief Medical Officer of the Central Minnesota Health Network and the Virtual Health Medical Director at CentraCare Health in St. Cloud Minnesota. Prior to his current position, he was the Vice President – Chief Medical Information Officer for 10 years. During this time, he has worked with EMR implementation throughout Central Minnesota including 6 hospitals and 50(+) multispecialty clinics within the system along with 6 unaffiliated community connect hospitals and 20 community connect clinics. Recently, he has also functioned as the Chief Medical Officer, developing the Central Minnesota Clinically Integrated Health Network and Virtual Health programs. These programs and services hope to facilitate seamless transfer of patient and provider communication and collaboration to over 700 providers and over 500,000 patients in central Minnesota. He continues to also work as an Internal Medicine Hospitalist and Virtual Health Physician. He is one of the founders of Horizon Virtual and has been with CentraCare Health since 2000.

Dr. Willardsen has also functioned as a senior leader of the Hospitalist group which currently employs over 50 hospitalists and Advanced Practice Providers. Darin has recently completed his Master’s in Business Administration degree at the University St. Thomas in Minneapolis. In his personal life, Darin enjoys the outdoors, piloting the family/business airplane, and spending quality time with his wife and three children as they keep him otherwise very busy.

telemedicine company for hospitals


Dr. Severnak is currently the Chief Medical Officer of Horizon Virtual, telemedicine company for hospitals. Dr. Severnak started his education at the University of Arizona where he obtained his Doctor of Pharmacy degree. He then went on to complete a pharmacy ambulatory care fellowship with the United States Public Health Service. After his fellowship, he worked on the Hopi Indian reservation in northern Arizona serving the Native American population. After 3 years working as a pharmacist, Dr. Severnak returned to medical school at Midwestern University, Arizona College of Osteopathic Medicine and received his Doctor of Osteopathic Medicine degree. He then moved to Wisconsin and matriculated through Internal Medicine Residency at Gundersen Lutheran Hospital in La Crosse Wisconsin. Dr. Severnak started his medical career as a hospitalist and doctor on-demand at St Cloud Hospital working with both medical and surgical adult patients. He works the entire spectrum of inpatient care, from observation stays to the critical care unit, at large tertiary referral hospital companies. Dr. Severnak also frequently works in other community hospitals as a relief hospitalist around the state of Minnesota.

Dr. Severnak has served in a wide variety of roles during his tenure at St Cloud Hospital. He is actively engaged in improving patient care by participating in numerous committees, including the Pharmacy and Therapeutics Committee, Code Blue Committee, Medical Executive Committee, and Hospitalist Leadership Committee. He has also served as a leader in the organization as the Chairman of the Department of Medicine and is currently serving as the Chief of Staff at St. Cloud Hospital. Dr. Severnak is active in the Hospitalist Department as a member of the Executive Leadership Committee helping guide the hospitalist group of more than 50 hospitalist and Advanced Practice Providers. Todd has received his designation of Senior Fellow from the Society of Hospital Medicine.

Dr. Severnak enjoys taking care of complex medical and surgical patients in the Critical Care setting and has a special interest in treating patients in shock.

Additional Providers on the Horizon Virtual Team

Dr. Alicia Floyd

Dr. Floyd graduated from Icahn Mount Sinai School of Medicine in 2011 and completed her training in Internal Medicine at Hofstra-Northwell. She is board certified by the American Board of Internal Medicine and has been a practicing hospitalist since 2014.

Dr. Emily Felzenberg

Dr. Eric Hyun

Dr. Joseph Scuderi

Dr Scuderi Graduated Graduated from Albert Einstein College of medicine’s Medical Scientist Training Program with an MD and a Ph. D. degree in 1996 . He completed his training in Internal Medicine at North Shore University Hospital Manhasset in New York in 1996. He is board certified in Internal Medicine and has been a practicing hospitalist since 2003. Joe enjoys international travel, and spending quality time with his wife, two children, and two Huskies.

Dr. Mark Comnick