Meet our providers

Kim Breeden M.D. F.A.A.P.

Dr. Breeden graduated Magna Cum Laude from Baylor University in Waco, TX in 1982. She then attended the University Of Kansas School Of Medicine, graduating in 1986. After completing her pediatric residence at the University of Florida in Jacksonville in 1989, the Breedens moved to Athens, TN. She has been providing pediatric care for the children of Athens and the surrounding communities since 1989. In 1995 she and her husband Omer established Covenant Pediatrics, a practice dedicated to the care and nurture of all children.

Certifications and Licensures: Board Certified by the American Board of Pediatrics

Licensed by the State of Tennessee Board of Medical Examiners

Hospital Affiliations: Active Staff Athens Regional Medical Center

Referral relationships with East Tennessee Children's Hospital, UT-Knoxville, TC Thompson Children's Hospital

Professional Organizations and Activities: Fellow of the American Academy of Pediatrics

Member Tennessee and McMinn County Medical Associations Dr. Breeden has held numerous offices within the medical staff at Starr Regional Medical Center serving as secretary, vice-chief of staff and chief of staff. She is currently Chairman of the Perinatal Committee, and past member of the Board of Trustees. Medical Director of the Children's Advocacy Center (serving the abused children of 7 counties)

Mia Matias M.D. F.A.A.P.

Dr. Matias graduated Cum Laude from Occidental College in Los Angeles, CA in 1991. She received her medical degree from University of California, Davis School of Medicine in 1995. She completed her pediatric residency at Children's Hospital Medical Center of Northern California in 1998. She also completed a clinical fellowship in pediatric infectious diseases at Children's Hospital Medical Center of Northern California in 1999. After her pediatric training, Dr. Matias practiced as a pediatric and neonatal hospitalist at multiple community hospitals in Northern California for 14 years. In 2013, Dr. Matias and her family moved to Athens, TN. She has been providing pediatric care for children in the Athens community since 2013.

Certification: American Board of Pediatrics, 1998

Licensure: Medical Board of California, 1997 Medical Board of Tennessee, 2012

Professional Organizations: Fellow of the American Academy of Pediatrics

Personal: Dr. Matias and her husband, Michael, live in Athens. They have one daughter, two dogs and two guinea pigs. They are actively involved in the arts and love the outdoors.

Susan Rucker M.D.

Graduating from University of Louisville School of Medicine, followed by three year residency training at Kansas University Medical Center, Kim Rucker M.D. joined Covenant Pediatrics in 2016 bringing over 20 years of experience in Pediatrics.

Hari Mahefa Ratsimbason, MD, FAAP

Dr. Ratsimbason graduated Cum Laude from Andrews University in Berrien Springs, MI in 2004. She received her medical degree from Loma Linda University School of Medicine in Loma Linda, CA in 2009. She completed her pediatric residency at Loma Linda University Children’s Hospital in 2012. After practicing as a pediatric hospitalist at Sanford Children’s Hospital in Sioux Falls, SD for 2 years, she enjoyed providing outpatient care, level II nursery care, and inpatient care for children in Great Bend, KS and the surrounding communities for more than 8 years. She is excited to join Covenant Pediatrics and serve the community in Athens in the summer of 2023. She has special interests in preventive medicine, hospital medicine, medical education, whole-person care, and trauma informed care. She speaks four languages including Spanish. In her spare time, she enjoys traveling, listening to a wide variety of music, trying various international foods, outdoor activities, and fitness classes, but her favorite activity is having endless conversations with her three children.

Certification: American Board of Pediatrics, since 2012

Professional Organizations: Fellow of the American Academy of Pediatrics

Dr. Mahefa starts July 17, 2023

Beth Cruttenden NP-C

Nurse Practitioner

Beth graduated from Southern Adventist University in Collegedale, TN in May 2009 with a Masters degree in nursing. She worked as an RN at Memorial Hospital for 6 years prior to obtaining her Master's degree in nursing. For three of those years she was a staff charge nurse. Beth also worked as a clinical instructor for Southern Adventist University in 2005-2006. Beth is a Certified Family Nurse Practitioner by the American Academy of Nurse Practitioners. She is a member of the National Nursing Honor Society and the American Academy of Nurse Practitioners. After training with Dr. Breeden in pediatrics, Beth joined Covenant Pediatrics in 2009.

Regena Shelton NP-C

Nurse Practitioner

Regena graduated Summa Cum Laude from Tennessee Wesleyan College with her Bachelor of Science in Nursing degree in 2011, followed by her Master's degree in Nursing from Southern Adventist University in 2015. She worked 4 years at Starr Regional Medical Center in their Women's and Children's Services unit, where she served as charge nurse. Born and raised locally, Regena is passionate about providing care for the children of this region. She is certified by the American Association of Nurse Practitioners. Regena and her husband reside in Madisonville with their son and daughter. Regena is also an avid equestrian.