Our Staff
Dr. John M. Hill MD
Dr. John M Hill MD is a board certified physician in family medicine and specializes also in sports medicine.
Dr. Hill graduated from Deltona High School and from Ross University School of Medicine April 30, 2002. He also has a Bachelor of Science degree in Cardiopulmonary Medicine from the University of Central Florida, and an Associates of Science degree from Daytona Beach Community College in Respiratory Care Technology. He is married with two children. Dr. Hill is very active in the community with his church and high school sports, as well as with the soccer and baseball teams at Stetson University.
Dr. S. Trai Shinn MD
Dr. Shinn is a board certified, fellowship-trained Internal and Sports Medicine physician. He earned a bachelor's degree from Stetson University and is an alumnus of The Ohio State University College of Medicine. He completed an internal medicine residency at Ohio State and a sports medicine fellowship at the University of Tennessee/Campbell Clinic. Dr. Shinn is a team physician for Deltona High School and Stetson University. He is happily married to his high school sweetheart, and they have one child. Dr. Shinn believes in getting to know his patients to provide personalized, high-quality care, and works hard to help them reach their healthcare goals.
John Hervert D.O FACOI
Dr. John Hervert is board certified in Internal Medicine and a fellow of the America College of Osteopathic Internists. He earned a bachelor’s degree in Chemistry at Rockhurst University, leading to his acceptance and graduation from West Virginia School of Osteopathic Medicine. Dr. Hervert completed his Internal Medicine residency at Oklahoma State University Medical Center, where he met his wife. Dr. Hervert loves practicing Internal Medicine and learning from his patients at every visit. He believes in treating the whole person; Body, Mind and Spirit. In his free time, he loves spending time with family, exercising, and watching all types of sports.
Sarah Case - Family Nurse Practitioner
Sarah Case is a certified Family Nurse Practitioner through The American Academy of Nurse Practitioners (AANP). Mrs. Case graduated from Bellarmine University in August 2019 with her Master of Science in Nursing degree and Spalding University in June 2012 with her Bachelor of Science in Nursing degree both in Louisville, Kentucky. She practiced in Louisville, Kentucky in the Pediatric Emergency Department prior to her move to Florida. She is married and has one son and enjoys spending time with her family and traveling.
Pam Hart, Family Nurse Practitioner
Sub-Investigator
Pam is a Family Nurse Practitioner who grew up in DeBary. She received both her Doctorate and Bachelor’s of Nursing from the University of Central Florida. She received her ADN from Santa Fe College in Gainesville, and has a degree in Anthropology from the University of Florida. Pam’s nursing experience includes bariatric surgery, progressive care, and wound care. Along with cheering on Gator athletics, Pam enjoys the outdoors, reading, and spending time with family and friends.
Christian Martinez MD
Dr. Christian Martinez is a board certified, Physician in Family Medicine. He earned a bachelor's degree in Natural Sciences at the University of Puerto Rico. He graduated from medical school at the University of Medicine and Health Sciences in Saint Kitts. Dr. Martinez completed his Family Medicine residency at Houston Medical Center in Warner Robins, GA. Dr. Martinez enjoys practicing Family Medicine and providing the best care to his patients. In his free time, he enjoys the beach, road trips and traveling with family and friends.
April Frahm, AANP
April Frahm is a AANP board certified Family Nurse Practitioner, earning her Masters of Science in nursing degree from the University of South Florida. With a strong foundation in Emergency and Family Medicine, she is dedicated to providing compassionate care that emphasizes preventative health and treating the whole person.
Outside of the clinic, April is a proud wife of a USCG veteran and mom of three amazing girls. Some of her hobbies include working out, singing and playing the piano for her church and hiking. She has made a goal to hike in as many national parks as possible. She looks forward to providing her patients with a partnership to help them reach their optimal wellness.
Halayla Lopez – Family Nurse Practitioner
Halayla Lopez is a board-certified Family Nurse Practitioner dedicated to providing compassionate, patient-centered care. She earned her Master of Science in Nursing from South University in Savannah, Georgia, and her Bachelor of Science in Nursing from Ana G. Méndez University in Puerto Rico. She brings years of nursing experience and is fluent in both English and Spanish. She is a proud wife and mother of two. Guided by her Christian faith, she values kindness, and treating every patient with respect. Outside of work, she enjoys spending time with her family, exploring nature, and embracing cozy moments together.
Crystal "Nicole" Young, MSN, APRN, FNP-C
Crystal "Nicole" Young is an AANP Certified Family Nurse Practitioner who earned her Master of Science in Nursing from Florida State University. She also holds a Bachelor of Science in Psychology. Her clinical background includes family practice, gastroenterology, and hospice care, giving her experience caring for patients through many different stages of health and illness. Nicole is committed to providing thoughtful, compassionate care and helping patients feel comfortable, informed, and supported. Before becoming a nurse practitioner, Nicole served as a medic in the United States Air Force during Operation Iraqi Freedom, an experience that helped shape her dedication to service and patient care. Outside of the clinic, she enjoys traveling with her husband, spending time near the beach, and gardening.