(From Daniel Funeral Home)Dr. Clarence Tucker Joustra, age 70, of Lamar, Missouri, passed away Wednesday, October 28, 2026.
Tucker was born on August 20, 1956, in Nevada, Missouri, to Clarence Joustra and Mary Lou (Atkinson) Joustra. He graduated from El Dorado Springs High School with the Class of 1974. Following graduation, Tucker proudly served in the United States Navy as a Hospital Corpsman Second Class (E-5), serving with Charlie Company at Camp Schwab in Okinawa, Japan.
Tucker continued his education at Central Missouri State University, graduating in 1982 with a Bachelor of Arts degree in Chemistry and a minor in Biology. While attending college, he participated in the ROTC program and was commissioned as a Second Lieutenant. He went on to pursue his passion for medicine, graduating from Kirksville College of Osteopathic Medicine in 1986 with his Doctor of Osteopathic Medicine degree.
Tucker's dedication to serving his country continued through an extraordinary military career spanning nearly four decades. From 1978 until his retirement in 2015, he served in the Army National Guard, holding numerous assignments and leadership positions throughout Missouri and Maine. His service included the 135th MASH unit in Kansas City, the Maine Army National Guard State Surgeon's Office in Augusta, Camp Clark Training Site in Nevada, the 1107th Medical Detachment in Mountain Grove, where he served as Commander, the 203rd Engineer Battalion in Joplin, and Detachment 7, HQ STARC in Neosho.
During his military career, Tucker was deployed to Kuwait in 2003 and Iraq in 2005, serving as a Field Surgeon during both deployments. His years of service spanned numerous military conflicts and operations, including the Cold War, Persian Gulf War, Operation Enduring Freedom, and Operation Iraqi Freedom. In 2015, Tucker retired with the distinguished rank of Colonel in the Medical Corps, concluding a lifetime of dedicated service to his country.
Following medical school, Tucker completed his internship at Waterville Osteopathic Hospital in Waterville, Maine, from 1986 to 1987. In 1987, he and his family returned to Lamar, where he established C. Tucker Joustra Family Practice, Inc. He operated his practice until 1994 before joining Lamar Family Health Care from 1995 to 1998. In 1998, Tucker reopened his private practice, where he continued caring for patients and serving the community until his passing.
Throughout his medical career, Dr. Joustra's commitment to the health and well-being of others extended far beyond his own practice. He served as Barton County Coroner from 1996 to 2016, Medical Director of Truman Healthcare & Rehabilitation from January 2014 through December 2024, and Contract Physician for Avalon Hospice from April 2018 through November 2021. He also previously served as Medical Director of Barton County Ambulance and as Medical Director and a member of the Advisory Board for the Barton County Health Department.
Dr. Joustra maintained professional associations with Cox Barton County Hospital in Lamar, as well as Freeman Hospital and Mercy Hospital in Joplin. He was board certified in Family Practice through the American Osteopathic Association and held memberships in several professional organizations, including the American Academy of Family Physicians, Southwest Missouri Osteopathic Association, American Academy of General Practitioners, and American Osteopathic Association.
For nearly four decades, Dr. Joustra dedicated his life to the practice of medicine and the care of those in his community. His years of service reflected not only his commitment to his profession but also the important role he held in the lives of countless patients and families throughout Barton County and the surrounding area.
On June 18, 1976, Tucker married Deborah Rae Beebe in Lamar, Missouri. Together, they shared 47 years of marriage, building a life filled with love, family, and cherished memories before Deborah's passing in December 2023.
Survivors include one son, Taylor Joustra of Lamar, MO; one daughter, Stephanie (James) Crossley of Lamar, MO; seven grandchildren, Jaeci Joustra, Cole Crossley, Mac Crossley, Zee Crossley, Sam Crossley, Rae Crossley, and Ty Crossley; three sisters, Nancy Hughes of Lamar, MO, Donna Chism of El Dorado Springs, MO, and Patty (John) Hallam of Walker, MO; along with numerous nieces and nephews.
Tucker was preceded in death by his parents; his wife, Deborah; one sister, Mary Miles; and his brother-in-law, LeRoy Hughes.
Funeral services will be held at 11:00 a.m., Saturday, November 7, 2026, at Lamar Christian Church in Lamar, Missouri. A private family burial will be held.
In lieu of flowers, contributions are suggested and should be made payable to Lefler Cemetery in care of Daniel Funeral Home.
Condolences may be shared at www.dfhlamar.com.






