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Meet Our Staff

Rodney Cassens, MD, Medical Director
Dr. Cassens was appointed medical director for Mercy Business Health Services/Urgent Care in January 2005. For 12 years Dr. Cassens was a family practice physician at Maple Valley Mercy Medical Clinic in Mapleton, Iowa. He also has served as a flight surgeon for the First Squadron of the 113th Calvary of the Iowa Army National Guard, based in Sioux City. As a flight surgeon, Dr. Cassens has extensive experience treating National Guard members for personal and work-related illness or injury. He received his medical degree from the University of Iowa College of Medicine in Iowa City and completed his family practice residency at the Siouxland Medical Education Foundation in Sioux City.

Rodney Cassens, MD

Lana Bleil, RN, BS, COHN, CCM, Practice Manager
In her role as practice manager, Lana is responsible for the supervision of the day-to-day operations of the clinic, the on-site nursing program, marketing, safety consultation, wellness services and case management services. Lana received her nursing degree from Western Iowa Tech in Sioux City, Iowa, and her bachelor's degree in business administration from Bellevue University, Omaha, Nebraska. She is board certified in occupational nursing (COHN) and certified in case management.(CCM). Lana has held various positions within the Mercy system. She has been with Mercy Business Health Services since 1995.

Lana Bleil, RN, BS, COHN, CMM

Michael Bobier, PA-C
Michael Bobier received his physician assistant training from the University of North Dakota School of Medicine in 1999. After graduating in 1999, he practiced in a rural setting as a solo family practitioner in Manning, Iowa. Michael has also worked on an as needed basis for Mercy Medical Services since graduation at both Mercy Mapleton Clinic and Mercy Urgent Care.

Prior to attending the University of South Dakota, he worked as an emergency room nurse, cardiac nurse, paramedic and as a law enforcement officer.

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Mercy Medical Center Sioux City | 801 Fifth Street, Sioux City Iowa 51102 | 712-279-2010