our Nurse practitioners

Courtney McGee PA-C

Our Doctors

NP Lindsey Mann-Badyrka



Lindsey grew up vacationing on the Emerald Coast and is delighted to call it her home.

She brings more than a decade of clinical experience to the practice and has special interests in preventative medicine and women’s health. She loves building relationships with her patients and working together to help them achieve their health goals. Outside of clinic, Lindsey loves traveling with her family. Some of her favorite destinations are Edinburgh, Scotland and Athens, Greece.

Dr. Chris Pappas, M.D.

Dr. Pappas joined Magnolia Medical Clinic in 2012 after a 28-year career in the U.S. Army. He was attracted to Magnolia Medical Clinic originally because of its reputation and the community that it serves. Dr. Pappas refers to the Emerald Coast as paradise due to the beautiful beaches, weather and appreciates the people and the opportunity to serve the community. He is dedicated to improving both the quality of and the number of years of his patients—and has fun doing so. Dr. Pappas enjoys the outdoors, spending time with friends, and tinkering in his workshop in his spare time.

Dr. Chris Pappas, M.D.

Dr. Pappas joined Magnolia Medical Clinic in 2012 after a 28-year career in the U.S. Army. He was attracted to Magnolia Medical Clinic originally because of its reputation and the community that it serves. Dr. Pappas refers to the Emerald Coast as paradise due to the beautiful beaches, weather and appreciates the people and the opportunity to serve the community. He is dedicated to improving both the quality of and the number of years of his patients—and has fun doing so. Dr. Pappas enjoys the outdoors, spending time with friends, and tinkering in his workshop in his spare time.

Dr. Christopher Paulson, M.D.

Dr. Paulson joined Magnolia Medical Clinic in 2017 after retiring from the U.S. Air Force following a more than 25-year career. During his time in the Air Force, Dr. Paulson was primarily involved in academic medicine and full-spectrum care for patients of all ages. Dr. Paulson joined Magnolia Medical Clinic because of the excellent physicians and staff and the ability to continue providing high-quality, comprehensive care for his patients. Dr. Paulson enjoys seeing all ages of patients, with an almost 100-year age difference between his oldest and youngest patient. His interests include sports medicine, including injection therapy for most joints and various musculoskeletal disorders, dermatology related minor surgery procedures, vasectomies, as well as women’s health-related procedures, including implantable contraception and IUD Placement. He is confident Magnolia Medical Clinic can provide a great medical home for families, and he looks forward to many years in the practice.

Dr. Christopher Paulson, M.D.

Dr. Paulson joined Magnolia Medical Clinic in 2017 after retiring from the U.S. Air Force following a more than 25-year career. During his time in the Air Force, Dr. Paulson was primarily involved in academic medicine and full-spectrum care for patients of all ages. Dr. Paulson joined Magnolia Medical Clinic because of the excellent physicians and staff and the ability to continue providing high-quality, comprehensive care for his patients. Dr. Paulson enjoys seeing all ages of patients, with an almost 100-year age difference between his oldest and youngest patient. His interests include sports medicine, including injection therapy for most joints and various musculoskeletal disorders, dermatology related minor surgery procedures, vasectomies, as well as women’s health-related procedures, including implantable contraception and IUD Placement. He is confident Magnolia Medical Clinic can provide a great medical home for families, and he looks forward to many years in the practice.

Dr. Grant Zachary, M.D.

Dr. Zachary joined Magnolia Medical Clinic in August of 2019 because he saw an opportunity to practice medicine in a well-established clinic that provides exceptional health care and is a core part of the Fort Walton Beach community. Dr. Zachary grew up in a small town in rural southwest Georgia and had the privilege of watching his grandfather practice Family Medicine. As a result, at a young Dr. Zachary was able to see the impact a good doctor can have on their community. He has enjoyed building his practice at Magnolia Medical Clinic and looks forward to serving his patients and this community for many years. When he is not in the office, he enjoys spending time with his wife, walking the dog around the neighborhood, swimming, playing guitar, tennis, and relaxing at the beach.

Dr. Grant Zachary, M.D.

Dr. Zachary joined Magnolia Medical Clinic in August of 2019 because he saw an opportunity to practice medicine in a well-established clinic that provides exceptional health care and is a core part of the Fort Walton Beach community. Dr. Zachary grew up in a small town in rural southwest Georgia and had the privilege of watching his grandfather practice Family Medicine. As a result, at a young Dr. Zachary was able to see the impact a good doctor can have on their community. He has enjoyed building his practice at Magnolia Medical Clinic and looks forward to serving his patients and this community for many years. When he is not in the office, he enjoys spending time with his wife, walking the dog around the neighborhood, swimming, playing guitar, tennis, and relaxing at the beach.

Dr. Emily McDevitt, D.O.

Dr. McDevitt was born and raised in Minnesota and received a Bachelor of Science at the University of Wisconsin-Lacrosse. She completed medical school at Nova Southeastern University in Fort Lauderdale and residency at Memorial Hospital, Indiana. After practicing medicine for ten years in rural Minnesota, she came to Magnolia Medical Clinic in October of 2020. She and her husband are the proud parents of five children. Dr. McDevitt enjoys spending time with her family and friends, being involved in her church, being outside, and working out, mainly CrossFit. Partnering with her patients to help them achieve their best health is her passion. Dr. McDevitt loves caring for all ages and has a particular interest in children’s medical care, sports medicine, and nutrition.

Dr. Emily McDevitt, D.O.

Dr. McDevitt was born and raised in Minnesota and received a Bachelor of Science at the University of Wisconsin-Lacrosse. She completed medical school at Nova Southeastern University in Fort Lauderdale and residency at Memorial Hospital, Indiana. After practicing medicine for ten years in rural Minnesota, she came to Magnolia Medical Clinic in October of 2020. She and her husband are the proud parents of five children. Dr. McDevitt enjoys spending time with her family and friends, being involved in her church, being outside, and working out, mainly CrossFit. Partnering with her patients to help them achieve their best health is her passion. Dr. McDevitt loves caring for all ages and has a particular interest in children’s medical care, sports medicine, and nutrition.

Dr. John Loudermilk, M.D.

Dr. Loudermilk is originally from West Virginia and obtained his undergraduate and medical degrees from Marshall University in Huntington, West Virginia. He completed his residency at East Tennessee State University in Bristol, Tennessee. After living and practicing in Indiana for the past seven years, his family decided to leave the cold weather behind and move to sunny Florida along the beautiful Emerald Coast. Magnolia Medical Clinic has an excellent reputation in the community. He is excited to have joined the practice and continue to provide excellent care for the residents of Fort Walton Beach and surrounding communities.

Dr. John Loudermilk, M.D.

Dr. Loudermilk is originally from West Virginia and obtained his undergraduate and medical degrees from Marshall University in Huntington, West Virginia. He completed his residency at East Tennessee State University in Bristol, Tennessee. After living and practicing in Indiana for the past seven years, his family decided to leave the cold weather behind and move to sunny Florida along the beautiful Emerald Coast. Magnolia Medical Clinic has an excellent reputation in the community. He is excited to have joined the practice and continue to provide excellent care for the residents of Fort Walton Beach and surrounding communities.

Dr. Lindsay Herndon, M.D.

Dr. Herndon was born and raised in Louisiana. She received a BS in Biology and Chemistry from Louisiana College and a Master of Science from Mississippi College before completing medical school at LSU in Shreveport. She then completed residency in Southeast Florida before joining Magnolia Medical Clinic. She and her husband have 1 daughter and 2 boxers and are excited to be closer to home while still enjoying the beautiful coast. Dr. Herndon enjoys spending time with her family, traveling, and loves exploring the area she lives in. She enjoys forming relationships with her patients and using that information to help tailor medical plans and recommendations specific to you.

Dr. Keilah Barton DO

Dr. Barton’s roots stem from Ohio. She grew up on a small farm and played basketball at Cedarville University while obtaining a Biology degree with a Bible minor. She went to medical school at Ohio University Heritage College of Osteopathic Medicine. She pursued full-spectrum training and moved to Waco, Texas to complete residency with an emphasis on obstetrics as well as global health. She met her husband while in Texas and practiced rural medicine including obstetrics, inpatient newborn care as well as outpatient medicine for several years before moving to Florida. She and her husband are new parents and feel blessed to be a part of this beautiful community. In her off time, she can be found spending time with family and friends, connecting with her church community, enjoying water sports, hiking, running, swimming, skiing, cooking or sewing. Dr. Barton is excited to join the practice and looks forward to providing compassionate and comprehensive care for years to come.

Dr. John Sites, M.D.

Retired, founding physician of Magnolia Medical Clinic

Dr. Sites worked in the medical field for 41 years. He graduated from Indiana University School of Medicine in 1980, completed his family residency in June of 1984. In July of 1984, he became a founding physician at Magnolia Medical Clinic, working alongside Dr. Albert Russell and Dr. Bill Buckelew. Dr. Sites will tell you the reason he joined Magnolia Medical Clinic is because of the patients. Over the past 38 years, one of the things Dr. Sites has enjoyed the most is his relationships with his patients and the staff at Magnolia Medical Clinic. Dr. Sites is looking forward to his retirement and plans to spend time with his family, do some traveling, and enjoy more biking adventures. He says he will greatly miss the relationships he has built along the way with Magnolia Medical Clinic patients and staff but has confidence that the patients will continue to receive the best care in the future and wishes them continued success.

Dr. John Sites, M.D.

Retired, founding physician of Magnolia Medical Clinic

Dr. Sites worked in the medical field for 41 years. He graduated from Indiana University School of Medicine in 1980, completed his family residency in June of 1984. In July of 1984, he became a founding physician at Magnolia Medical Clinic, working alongside Dr. Albert Russell and Dr. Bill Buckelew. Dr. Sites will tell you the reason he joined Magnolia Medical Clinic is because of the patients. Over the past 38 years, one of the things Dr. Sites has enjoyed the most is his relationships with his patients and the staff at Magnolia Medical Clinic. Dr. Sites is looking forward to his retirement and plans to spend time with his family, do some traveling, and enjoy more biking adventures. He says he will greatly miss the relationships he has built along the way with Magnolia Medical Clinic patients and staff but has confidence that the patients will continue to receive the best care in the future and wishes them continued success.

We are honored that you have chosen or are considering us for your healthcare needs.

We are committed to providing you with the highest quality of healthcare; we strive for personal, compassionate, convenient, and comprehensive care using evidence-based medicine. We look forward to having you join our family!