A leading, subspecialty radiology group.

Columbia Radiology, Ltd is a leading, subspecialty radiology group.

We focus on the delivery of highly specialized interpretation to any client in the State of Missouri.  The advancement of radiology systems and bandwidth capabilities allow easy distribution of information, images and reports efficiently to any location.

The expertise of our six Board Certified radiologists includes Fellowship trained radiologists with subspecialty areas including musculoskeletal (MSK), pediatrics, oncological, body, interventional and cardiovascular imaging.

The groups musculoskeletal experience is highly specialized and includes reading for more than 50 orthopaedic physicians throughout Central Missouri as well as the University, College and High School athletic teams in the region.

Meet Our Doctors

Sam Ashraf, DO
Board-Certified Fellowship Trained Musculoskeletal Radiologist
Dr. Ashraf joined Columbia Radiology, Ltd August 2015. He completed his undergraduate degree from Haverford College PA and his MD from Kirksville College of Osteopathic medicine. Before achieving his MRI Musculoskeleltal Radiology Fellowship he completed his internship and residency at the Department of Radiology Michigan State University Garden State Hospital.
Michael Butterfield, MD
Board-Certified Fellowship Trained Body Imaging
Dr. Butterfield joined Columbia Radiology, Ltd in July of 2015. He completed his undergraduate degree from Northern Michigan University. Before completing his MRI Fellowship in Body Imaging he received his Doctorate of Medicine from Wayne State University School of Medicine and completed residency at Providence Hospital Medical Center where he was the Chief Resident of diagnostic radiology.
Lance Faler, MD
Board-Certified Fellowship Trained Musculoskeletal Radiologist
Dr. Faler completed his undergraduate degree from Mississippi State University and his MD from the University of Mississippi. Before completing his MRI Research Fellowship at Methodist Hospital Memphis, Tennessee Dr. Faler spent 2 years at Erlanger Medical Center in General Surgery. Dr. Faler served 4 years as a radiologist at Methodist Hospital, 3 years as Cross Sectional Anatomy Instructor and 1 year as Chief Resident for their Radiology Program. He was Fellowship Trained in Musculoskeletal Imaging at the Kirklin Clinic University of Alabama at Birmingham in 2002. Dr. Faler has practiced with the Hattiesburg Radiology Group in Hattiesburg Mississippi.
Alan E. Hillard, MD
Board-Certified Interventional and Cross Sectional Imaging Radiologist
Dr. Hillard is the senior member of the group and completed his BA at Westminster College and subsequently received his MD from the University of Missouri School of Medicine. After receiving his MD he pursued diagnostic radiology at the University of Utah completing a rotation in diagnostic radiology and fellowship in interventional radiology/cross sectional imaging. He is board certified in diagnostic radiology and licensed in Missouri and Utah. He was certified with added qualifications in interventional radiology in 1995 and recertified in 2004. Dr. Hillard entered the military in 1988 serving as Chairman of the Department of Diagnostic Radiology. He was a Regional Six MAC Air Force Radiology Consultant and received the Meritorious Service Medal in July 1991. He joined Columbia Radiology, Ltd in August of 1994. His major interests are in vertebroplasty and cross-sectional imaging.
Neal R. Meyer, MD
Board-Certified General Diagnostic Radiologist
Dr. Meyer joined the practice of Columbia Radiology, Ltd in June of 2000. As a board certified radiologist his expertise includes a special interest in musculoskeletal MRI and general diagnostic imaging. He is licensed in the states of Missouri and Tennessee. His bachelor of science was obtained from Iowa State University and he subsequently completed his MBA in finance at the University of Texas. He received his MD from Southwestern Medical School University of Texas in Dallas. After an internal medicine rotation at Parkland Hospital and Dallas VA Medical Center in Dallas, Texas he pursued radiology, completing his radiology residency at St. Vincent’s Medical Center in Bridgeport, CT an affiliate of Yale University School of Medicine.
Mark H. Monroe, MD
Board-Certified Vascular, Nuclear Cardiology & Interventional Radiologist
Dr. Monroe’s academic excellence was reflected as an undergrad at Texas A & M where he was recognized both as a member of the Dean’s List and for receiving the Distinguished Student Award. Following an internal medicine internship at Scott & White Hospital, Temple, Texas he completed a Diagnostic Radiology Residency at the University of Missouri. He is board-certified in diagnostic radiology with additional board certifications in vascular/interventional radiology and nuclear cardiology. Dr. Monroe served 10 years as a radiologist with Bryan Radiology Associates in Bryan, Texas. During that time he served as Chairman, Department of Radiology and Chief of Staff at St. Joseph Regional Health Center. Previous to his tenure in Texas, he practiced extensively in Missouri as an emergency room physician and consulting staff member at Moberly Regional Medical Center.
Larry Nussbaum, MD
Board Certified, American Academy of Pediatrics, Subspecialized, Fellowship Trained Pediatric Nephrology
Dr. Nussbaum received his MD from the University of Missouri School of Medicine Columbia, Missouri. His undergraduate degree, Bachelor of Science in Chemistry was received from the University of Missouri Kansas City, MO His post graduate experience includes a Pediatric Residency, Children’s Medical Center , Dallas, Texas and a pediatric nephrology fellowship from Children’s Mercy Hospital in Kansas City, MO. He completed his diagnostic radiology residency at the University of Kansas, Kansas City, Kansas. Larry Nussbaum, MD experience is extensive as Staff Radiologist, Liberty Hospital, Liberty, MO, and President, Medical Staff Liberty Hospital, Liberty MO. Additionally he was the Chairman, Department of Diagnostic Imaging, and Liberty Hospital Liberty, MO. From 1976 to 1980 he was in Private Practice, Pediatrics, Tulsa, OK. He is a CO-Founder of Alliance Radiology in Greater Kansas City where they merged four radiology groups which presently boasts 56 physicians.  
Jonas Singer, MD
Board-Certified Sub-Specialized Oncological Imaging/Staging PET/CT
Dr. Singer received his MD from University of Witwatersrand, Johannesburg, South Africa. His undergraduate degree, BSc Summa cum Laude from the University of Cape Town, Cape Town, South Africa. His post graduate experience includes a fellowship of faculty of radiology, College of Medicine of South Africa. He completed a fellowship in body imaging and interventional radiology at St. Louis University medical Center where he became an instructor in the department of radiology. Additional academic appointments include instructor, assistant professor of radiology and visiting professor at Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri. Jonas Singer, MD experience is extensive including staff radiologist for Barnes and Children’s Hospitals, St Louis, Missouri; Alton memorial Hospital, Barnes-Jewish-Christian Hospital system Alton, Illinois’s. Luke’s Hospital, chesterfield, Missouri; and St Joseph’s Health Center, St. Charles, Mo where he was a partner of Radiologic imaging Consultants , LLP. He currently is a radiologist and Medical Director at Northeast Regional medical Center, Kirksville, MO.
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Contact Us

Service: 800-467-3501
Billing: 800-633-1905
New Business: 573-289-3350