About Us
We are a group of doctors with a common goal. We want to bring about great quality, affordable medical care to the Bradenton and Manatee County area. Our doctors are experts in their fields, and work hard every single day to keep you and your family healthy! If you want the best medical services available, you've found the right place. Welcome to Best Coast Internal Medicine - the only choice for a happy, healthy lifestyle!
We continue to improve our practices to provide our patients with more resources and support. New office building - COMING 2026.
Address: 201 5th Ave. Dr. E, Bradenton, FL 34208
Our Doctors - Meet the Team
Time to meet the crew and learn about who we are! Our doctors and support staff are some of the best medical professionals around! We have complete confidence that you'll love our team - we do!
Dr. Waguih El Masry
MD
Dr. El Masry is an Egyptian native who moved to the U.S. after completing his medical schooling as well as his post-gradudate rotating internship at the University of Alexandria, Egypt. In addition to his schooling, Dr. El Masry is Board Certified in Internal Medicine. He enjoys spending time with his family and enjoys sports. Dr. El Masry has more than 20 years of medical experience, and specializes in Internal Medicine practices. He has affiliations with Manatee Memorial Hospital as well as Blake Medical Center, Complex Care Hospital, and multiple skilled nursing facilities in the area.
Dr. Leslie Gomez
DO, FACOI
Dr. Leslie Gomez graduated with her Bachelor's of Science Degree in Biological Science from Florida International University in Miami. After that, she attended Lake Erie College of Osteopathic Medicine in Bradenton, where she earned her Doctor of Osteopathic Medicine degree. She is also Board Certified in Internal Medicine. Next, she completed her Traditional Osteopathic Internship as well as her residency in Internal Medicine at UPMC Mercy in Pittsburgh, Pennsylvania. She has affiliations with Manatee Memorial Hospital as well as Blake Medical Center. Dr. Gomez enjoys spending time with her dog and family, and is always happy to take on new challenges.
Dr. Sean Nonnemaker
DO, FACOI
Dr. Sean Nonnemaker graduated with his Bachelor's of Science Degree in Biomedical Science from USF in Tampa. Following that, he received his Doctor of Osteopathic Medicine degree from Lake Erie College of Osteopathic Medicine in Bradenton. He then completed his Internship and Residency in Internal Medicine at Manatee Memorial Hospital in Bradenton, is Board Certified in Internal Medicine, and is a part of the Florida and American Osteopathic Medical Associations. He is also certified to administer cosmetic Botox, and has affiliations with Manatee Memorial Hospital as well as Blake Medical Center. Dr. Nonnemaker enjoys running, as well as spending time with his wife and children.
Dr. Lisa Shannon
DO
Dr. Shannon completed her undergraduate degree in Biomedical Sciences at University of South Florida in Tampa Florida, then progressed to obtaining her medical degree at A.T. Still University, School of Osteopathic Medicine in Mesa, AZ. She completed her residency in Family Medicine at Manatee Memorial Hospital, where she remained faculty and teaching attending for the residents for five years. She is board certified in Family Medicine through the American College of Osteopathic Physicians.
Dr. Juliana Santiago Dale
DO
Dr. Juliana Santiago Dale graduated from University of Florida with a Bachelors in Chemistry and a minor in Family, Youth, and Community Services. She received her Doctor of Osteopathic Medicine from VCOM-Carolinas Campus. She completed her Family Medicine Residency at Manatee Memorial Hospital and is Board Certified in Family Medicine. She is certified in Botox cosmetic injections and has a passion for lifestyle medicine. She is affiliated with Manatee Memorial Hospital, Blake Medical Center, and skilled nursing facilities in the area. She is fluent in English and Spanish. Dr. Dale is a board member of the Manatee Medical Society and volunteers with Younglife. In her free time, she enjoys playing tennis, fishing, and going on adventures with her husband and golden retriever.
Dr. Karla Santos
MD
Dr. Santos was born and raised in Cuba and moved to the U.S at the age of 15. She graduated with her Bachelor of Science Degree in Biological Science from Florida International University in Miami. After that, she attended Ross University School of Medicine, where she earned her medical degree. She completed her residency in internal medicine at Manatee Memorial Hospital. She has affiliations with Manatee Memorial Hospital as well as Blake Medical Center. Dr. Santos is fluent in English and Spanish. In her free time, she likes to spend time with her family and her dog Asher.
Dr. Gleider Crombet
MD
Dr. Crombet was born and raised in Cuba and moved to the U.S. at the age of 18. Before pursuing his passion for medicine, he worked in the financial sector—an experience that shaped his thoughtful and detail-oriented approach to patient care. He earned his Bachelor of Science in Biology from the University of Miami and received his medical degree from Ross University School of Medicine. Dr. Crombet completed his residency in internal medicine at Manatee Memorial Hospital and is proud to be affiliated with both Manatee Memorial and Blake Medical Center. He is fluent in English and Spanish. Outside of medicine, he enjoys traveling, playing pickleball and chess, and spending time with his wife and their dog, Asher.
Megan Fallon
ARNP, FNP
Megan Fallon is an ARNP with 10 years of acute and critical care nursing experience. She attended the State College of Florida where she earned her Bachelor's of Science. She later attended South University in Tampa where she earned her Master's of Science in Nursing. She enjoys painting and crafts, loves being a mom, weekend football, and good books. She joined our team in 2017, and is happy to be working alongside a group of "compassionate, intelligent, and honest medical professionals."