We are especially interested in making all our patients feel right at home! We put your needs first to achieve efficient and comprehensive treatment. Our staff is trained and skilled, and we strive to provide energetic and fun-loving service to each patient. Each member of our treatment team and our office staff has years of experience in treating patients with the highest level of care. We strive to stay abreast of the latest technological advances by regularly attending the Alabama and American Dental Association, the Academy of General Dentistry and the Hinman Dental annual meetings.
About Our Doctors

Kimberly Welden, DMD
Dr. Kimberly Welden is a Doctor and Co-owner at Decatur Comprehensive Dentistry. A Sparkman High School graduate and alumna of the University of Alabama at Birmingham School of Dentistry, she has called Decatur home for the past 20 years. Dr. Welden enjoys caring for families and helping fearful patients feel comfortable through positive, compassionate dental experiences. She takes a gentle approach to all aspects of anesthesia and maintains a sedation license for patients who need additional comfort during their care.
Outside the office, Dr. Welden is married to J. Wesley Atkinson, and they have a son, Eli. She enjoys swimming at Decatur’s new recreation center and baking sourdough on the weekends.

Brian G. Ondocsin, DMD
Dr. Brian G. Ondocsin, affectionately known as Dr. O, is a native of Huntsville, Alabama. After graduating from Bob Jones High School, he earned his bachelor’s degree in Biochemistry with Honors from the University of Alabama before earning his DMD from the University of Alabama at Birmingham, where he graduated at the top of his class. He went on to complete an advanced General Practice Residency at Richland Memorial Hospital in Columbia, South Carolina, receiving extensive training in oral surgery, implant dentistry, sedation, cosmetic procedures, and complex case management. Dr. Ondocsin joined Decatur Comprehensive Dentistry in July 2013 and remains committed to lifelong learning and advanced patient care. In 2026, he expanded his services to include cosmetic injectables such as Botox and lip fillers.
Dr. Ondocsin is a Fellow of the Academy of General Dentistry (FAGD), a prestigious distinction earned by fewer than 7% of dentists in the United States and Canada. He also gives back to his community by donating his time and dental services through Donated Dental Services and the local Community Free Clinic. Dr. O and his wife, Calley, moved to Southeast Decatur in 2013 and have been married since 2010. They have two sons, Luke and Seth. Outside the office, the family enjoys cheering on Alabama sports teams, traveling, and discovering new restaurants.

