Our Team

John W. Souza, MD
CEO and Medical Director
Med Plus Immediate Care

Dr Souza got his start and healthcare in early 1981 working as a respiratory therapist. He ultimately because a registered respiratory therapist (RRT) and continued working in the field as he matriculated through med school. He received his medical degree from the University of Texas Health Science Center-San Antonio in 1993 and completed general surgery residency at Mercer University School of Medicine in Macon Georgia in 1998. Dr Souza established Dublin Surgical associates and practiced General surgery until 2011 maintaining board certification in surgery through 2020. Dr Souza, discovering a knack for business and founded Heart of Georgia Sleep Medicine in 2006 and Serenity Hospice in 2007. Dr Souza started his first urgent care clinic in 2008 and has subsequently been involved in the set up and operation of 10 other urgent care clinics across Georgia. Dr Souza has extensive emergency department experience over the last 20 years serving Putnam county Hospital in Eatonton, Baldwin County Hospital in Milledgeville, Peach County Hospital in Ft Valley, Clinch Memorial Hospital in Homerville, Georgia, Dodge County Hospital in Eastman and Fairview Park Hospital in Dublin. Dr Souza served as the ER medical director for Fairview park hospital for several years as well as serving as the Chief of Staff. He has 6 grown children and he and his wife Silvanea enjoy travel, RVing and rooting for the Georgia Bulldogs.

David Lawrence MD

Dr Lawrence is a graduate of Liberty University with a degree in Biochemistry and later obtained his Medical Doctorate degree from Medical University of Americas. He completed residency training in Internal Medicine at Mercer University School of Medicine, where he served as Chief Resident. Dr. Lawrence currently practices Emergency Medicine at Atrium Navicent Baldwin, is the Grady EMS Medical Director of Baldwin County and acts as the Stroke Coordinator for Atrium Navicent Baldwin. In his free time, Dr. Lawrence enjoys hunting, boating on the lake, and spending time on his farm with his family.

Gregory “Daniel” Bennett MD

Dr Bennett graduated with honors from Baylor University with his undergraduate degree in 2001. He then attended University of Texas Southwestern Medical School in Dallas, TX where he graduated near the top of his class. He initially studied General Surgery before switching to Emergency Medicine and graduating residency from the University of Oklahoma. Dr. Bennett has over 15 years of experience working in urgent care clinics and emergency rooms. When he is not hard at work caring for patients, he enjoys spending time with his wife Christine and his 6 children.

Herschel Kessler DO

Dr Kessler began his career as a volunteer EMT when he was 17 years old. He then became a paramedic and shortly after completed his Bachelors of Science in Emergency Medicine. Continuing his education, Herschel spent the next four years at New York College of Osteopathic Medicine. He completed his residency at Nassau University Medical Center and began working in Emergency Medicine in Georgia while taking on leadership positions in multiple Georgia hospitals. He has been an active EMS medical director since 2015. In his free time, Dr Kessler enjoys spending time with his wife and six children.

Tonya Ray Crager
Nurse Practitioner

Tonya Ray Crager, FNP-C, is a Milledgeville native and a dual graduate of Georgia College and State University. Tonya graduated with her Bachelor’s of Science Nursing degree in 1998, and spent over 15 years as a critical care registered nurse, focusing primarily on ICU and ER nursing. After years of travel as a military spouse, upon returning to Baldwin County, she received her Family Nurse Practitioner degree from GCSU in 2016. Tonya’s nurse practitioner journey includes experience in Adult/Family health, Internal Medicine and Orthopedics. She is committed to providing quality, compassionate health care to the members of the local community. In her off time, she enjoys spending time with her husband and two children.

Detra Dixon
Nurse Practitioner

Detra Dixon is a native of the Mississippi Gulf Coast. She graduated from Tuskegee University with BS in Biology Pre Medicine. She later moved to Macon, GA and received her Masters in Public Health Degree from Mercer University School of Medicine. Her continued passion for nursing and medicine inspired her to receive a BS in Nursing from Georgia College and State University in Milledgeville, Georgia and Master’s of Science in Nursing with specialization in Family Nurse Practitioner from South University in Savannah, Georgia. Detra began her nursing career in the ER for a level 1 trauma center in Macon, GA and has over 10 yrs of RN experience working in the Emergency room, med surge, and LTAC in the Middle GA and Atlanta area. Detra has practiced as a Nurse Practitioner for 3.5 years and has developed a broad range of NP skills working urgent care, ER, geriatrics, and correctional health. In her personal time, Detra loves spending time with her husband, 2 kids, and family. She enjoys weight lifting/exercising, shopping, cooking, traveling, and relaxing on the beach.

Angela Bullard
Nurse Practitioner

Angela was raised in Albany and currently resides in Lee County with her husband Chris and son Kaden. She began her medical career in Emergency Medical Services (EMS) in 1995 graduating from Albany Technical College as an Emergency Medical Technician. She continued her EMS education, graduating from Darton college as a Paramedic in 1997. In 2006, she began her career in nursing, receiving her Associate of Science degree in Nursing from Abraham Baldwin College and then she received her Bachelor of Science in Nursing in 2009 from Thomas University. In 2017, she graduated from South University with a Master of Science degree in Nursing, specializing as a Family Nurse Practitioner. Angela is board certified with over 25 years in the medical profession with the last 6 years working as a Family Nurse Practitioner. She has a background in Emergency medicine, Intensive care, Nursing Education, Surgery, Weight loss and Family Practice. When not busy caring for her patients, she enjoys spending time with her family and traveling

Dr. Rennie Nichols Bailey 
Nurse Practitioner

Rennie is a skilled nurse practitioner with a strong educational background. Born in South Carolina, she obtained her ADN and RN licensure in 1992 and later a BSN and MSN with a specialization in Family Nurse Practitioner from the University of South Carolina. Rennie worked as a NP for 16 years and later obtained a Doctorate in Nursing Practice from Wilkes University. In 2020, she moved to Macon to be closer to her husband’s business and has been a full-time provider at Med Plus Immediate Care. Rennie enjoys spending time with her family, traveling, painting, reading, hunting, and going to the beach, and is also an avid Gamecock fan.

Alexa Anderson
Nurse Practitioner

Alexa is an adult-geriatric nurse practitioner. She received her bachelors of nursing from Georgia College and State University. After receiving her RN license she worked for 7 years as a cardiac critical care nurse. She went on to earn her Masters in Nursing at The University of Cincinnati. She is double board certified in Adult-Geriatric Primary Care and Family Nurse Practitioner with the American Academy of Nurse Practitioners (AANP).

Tracy Pollock
Nurse Practitioner

Tracy is a Board Certified Family Nurse Practitioner. She received her Bachelor of Science in Child and Family Development from Georgia Southern University, followed by her ASN from North Georgia College and State University. For fourteen years, she worked beside in Labor and Delivery helping families with their new start. She graduated from Walden University and is certified with American Academy Of Nurse Practitioners (AANP). She has been with Med Plus since February of 2020.

Katrina Grablin PA-C
Physician Assistant

Katrina has been a practicing physician associate for the past 14 years. She attended South University in Savannah, Georgia and upon graduation moved to Colorado Springs, Colorado. She recently returned to her hometown of Leesburg, Georgia to be closer to her family. She has practiced in internal medicine, family medicine, ON/GYN and urgent care. Her favorite hobbies are spending time with her border collie,Tucker, and her 2 Australian Shepherds Whitley and Rue. She hopes to one day operate a dog rescue for seniors and their beloved pups!

Tammie Oliver
Nurse Practitioner

Tammie is a Family Nurse Practitioner. She began her registered nursing career over 20 yrs ago, working a variety if fields, including Emergency, ICU, and Primary Care. In 2019, she advanced her career and received a Masters of Science degree, with a specialization in FNP, from South University. She is board-certified by the American Academy of Nurse Practitioners and certified to care for all patients across the lifespan. Tammie looks forward to meeting you and providing all of your healthcare needs.

Michael Beavers
Nurse Practitioner

Michael is a Nurse Practitioner at MedPlus Immediate Care in Macon GA who partners closely with Dr. John Souza. He originally attended Charleston Southern University where he received a Bachelor’s of Science degree in Biology and a minor in Chemistry. In addition, he attended Medical University of South Carolina for a Bachelor’s of Science in Medical Technology. He then pursued his passion in nursing at The University of Alabama for his Bachelors of Science in Nursing in Tuscaloosa Alabama. He later attended South University in Savannah GA where he received his Masters degree in Family Nurse Practitioner. Michael is a Board-Certified Family Nurse Practitioner Licensed in Georgia and South Carolina. He has worked in several areas including Long Term Care, Pain Management and now Urgent Care. Michael has also work in the Military where he attained the Rank of Captain and served over seas in Operation Iraqi Freedom. His hobbies include hunting and is a avid Fly fishing enthusiast.

Chad Brooks
Physician Assistant

Chad graduated from the Physician Assistant program at Rosalind Franklin University of Medicine and Science in 2011. He specializes in emergency medicine, urgent care, and family practice. He is fluent in Spanish and is a certified Spanish medical interpreter. He is a member of the American Association of Physician Assistants.