BayCare Medical Group Leadership

Syed Ismail Jafri, MD President, and Chief Medical Officer

Dr. Syed Ismail Jafri is board-certified in family medicine and joined BayCare Medical Group in August 2023 as our president and chief medical officer. Dr. Jafri brings his expertise to us from Jacksonville’s Ascension Florida and Gulf Coast where he served as president and chief medical officer. His emphasis at Ascension was physician leadership, provider engagement, value-based care, service line growth and utilization management. He has more than 14 years of experience providing progressive leadership for leading healthcare organizations and hospital systems.  

Dr. Jafri received his medical degree and residency in family medicine from the University of Chicago, Pritzker School of Medicine in Chicago, Illinois. He then completed a Master of Science degree in Quantitative Management from Duke University, Fuqua School of Business in Durham, North Carolina.
Angela Cosby

Angela Cosby - Vice President, Chief Operating Officer

Angela Cosby is Vice President and Chief Operating Officer of BayCare Medical Group (BMG). She has more than 20 years of physician enterprise leadership experience and joined BMG in June 2019. Angela’s role with BMG is to lead strategic and operational planning for physician group services. She also works closely with leaders and departments to help standardize systems, identify efficiencies and cost savings as well as coordinate clinical activities and medical education programs.

Angela previously served as President of INTEGRIS Medical Group at INTEGRIS Health, where she led the physician enterprise comprised of 400+ multi-specialty providers and 125+ clinic locations. Angela oversaw operations, strategy and development, physician recruitment, contract management and financial performance.

Prior to her role at INTEGRIS, Angela served as the Chief Executive Officer for Surgical Specialists of Oklahoma and Vice President of Operations of HealthTexas Provider Network at Baylor Scott & White Health in Dallas, Texas.

Angela completed a Bachelor of Science degree from Oklahoma State University and a master’s degree of Public Health, Health Administration and Policy at the University of Oklahoma Health Sciences Center.

Dr. Marcy Baker

Marcy Solomon Baker, MD - Medical Director, Pediatric Primary Care

Marcy Solomon Baker, MD, is currently the Medical Director of Pediatric Services for BayCare Medical Group and still actively sees pediatric patients at the BMG Hyde Park Office. She was the Assistant Medical Director for Pediatrics from 2014-2017. Dr. Baker received her Bachelor of Science in Mechanical Engineering from Lehigh University in Bethlehem, Pennsylvania, and earned her Doctor of Medicine from the University of South Florida College of Medicine. She completed her residency in pediatrics at Emory University in Atlanta, where she served as Chief Resident. Dr. Baker is a past president of the Hillsborough County Pediatric Society and is a fellow of the American Academy of Pediatrics. She is a member of the BMG EMR committee, compensation committee and the pediatric subcommittee.

Dr. Nick Colovos 

Nick Colovos, MD, MBA, FACEP - Chief Experience Officer

Nick Colovos, MD, MBA, is board certified in emergency medicine. He joined BayCare Medical Group as our chief experience officer. He brings his expertise to us from Emory Physician Group Practices as its chief quality officer and is here to support us by ensuring our physicians remain engaged and resilient.

Dr. Colovos has more than 20 years of experience as a physician in large, complex health systems just like BayCare. Along with his work as a physician, he has also been an educator since 1998 and is a veteran of our United States Navy Reserves where he served as a lieutenant commander in its medical corps.

Dr. Colovos joined the Emory University School of Medicine faculty in July 2014. He received his MD at the University of Miami School of Medicine and completed his emergency medicine residency at St. Vincent's Medical Center in Toledo Ohio 1996. Also, in July 2014, he received his MBA from Florida International University. His work experiences in the academic, public and private sectors of medical care have allowed him to develop a unique perspective on the business of healthcare and its delivery to patients.

Stephanie Fenlon head shot

Stephanie Fenlon, DO, MMM, FACOI - Medical Director, Adult Primary Care

Dr. Stephanie Fenlon is board certified in internal medicine and has a demonstrated history of working in outpatient health care. Dr. Fenlon received her medical degree from Nova Southeastern University and a Master’s in Medical Management from Carnegie Mellon University. She joined BayCare Medical Group (BMG) in 2018 from Diagnostic Clinic Medical Group, where she gained experience as an Associate Medical Director and Medical Director. Dr. Fenlon has been active in BMG, serving on the Physician Engagement Task Force, the BMG Access Task Force, and the Physician Advisory Council. She attended the OneTeam Leadership program and is an alumnus of the BayCare Physician Leadership Institute.

Kevin Garner

Kevin Garner, MD, FACC - Medical Director, Medical Specialties

Kevin Garner, MD, FACC, served as the Chief of Cardiology at St. Anthony’s Hospital in St. Petersburg, Florida from 2012 through 2015. He is also the director of the Congestive Heart Failure program at St. Anthony’s. He was a past president of the Pinellas County Medical Association and former editor of the Pinellas Medical Journal. Dr. Garner is, at present, an adjunct clinical associate professor with the Lake Erie College of Osteopathic Medicine (LECOM) in Bradenton, Florida, and a former clinical assistant professor at the University of South Florida. Dr. Garner is a fellow of the American College of Cardiology. He currently is the Medical Director for Medical Specialties with BayCare Medical Group.

Nicole Gilg Gachiani

Nicole Gilg Gachiani, MD, FAAFP, MPH – Medical Director, Quality

Dr. Nicole Gilg Gachiani is board-certified in family medicine. She completed a Bachelor of Arts degree in anthropology and preprofessional studies at the University of Notre Dame in Notre Dame, Indiana. She then earned her Doctor of Medicine, along with a Master’s in Public Health from Tulane University in New Orleans, Lousiana. She continued her medical education by completing a family medicine residency at Harbor-UCLA Medical Center in Torrance, California. Dr. Gilg is also certified as a physician executive, serving as Medical Director of Quality and is a member of the American Academy of Family Physicians, American College of Healthcare Executives, and the American Association of Physician Leadership.

Dr. HaiDang Hoang

HaiDang Hoang, DO - Medical Director, Primary Care

HaiDang Hoang, DO, is board certified in Family Medicine and is currently the Primary Care Medical Director for Polk and East Hillsborough Counties. He graduated from University of South Florida with a Bachelor of Science degree in Chemical Engineering and Philadelphia College of Osteopathic Medicine with a Doctor of Osteopathic Medicine (DO) degree. He completed his residency at St. Petersburg General Hospital where he also served as the Chief Resident.

Dr. Hoang has a strong interest in physician leadership. He is a Certified Physician Executive (CPE) and earned a Master of Medical Management (MMM) from University of Southern California and graduated from University of Florida-College of Business in 2019 with a Master of Business Administration (MBA) degree and Florida State University-College of Law in 2020 with a Juris Master (JM) degree in Healthcare Regulation. He is a current member of the American College of Healthcare Executives and the American Association for Physician Leadership.

Dr. Rebecca Marshall

Rebecca Marshall, MD - Medical Director, Adult Primary Care

Rebecca H. Marshall, MD, is a fifth-generation physician in her family. She graduated from Goucher College Phi Beta Kappa and then attended the Medical College of Pennsylvania. She did her residency in Internal Medicine at Albert Einstein Medical Center in Philadelphia, Pennsylvania. After her residency, she stayed on as Chief Resident at Albert Einstein Medical Center after which she moved to Florida and started her practice with the St. Petersburg Medical Clinic. She sat on the Board for the clinic and was head of recruitment. Subsequently, the clinic was merged with the Suncoast Medical Clinic. She remained on the Board and was an officer of the clinic, serving as the secretary through the merger with BayCare and for the first five years past the merger. Dr. Marshall also served on the Board of Trustees for St. Anthony’s Hospital for five years. She chaired the Quality and Safety committee for St. Anthony’s and the Credentialing Committee for the hospital. She was a member of the Medical Staff Board at St. Anthony’s. She presently sits on the Benefits Community Council for BayCare. After 28 years of active practice, she was given the opportunity to become the Primary Care Medical Director for the West region for BayCare Medical Group.

Ruvan Wickramasinghe

Ruvan Wickramasinghe, MD, FHM - Medical Director, Hospitalist Program

Ruvan Wickramasinghe, MD, FHM, graduated from Harvard College with a Bachelor of Arts cum laude in Psychology and attended the College of Physicians and Surgeons of Columbia University. He completed his Internal Medicine Residency at Columbia Presbyterian Medical Center of New York Presbyterian Hospital, where he received the Joseph N. Muschel Housestaff Award for “qualities as a skilled physician and an empathic, compassionate human being who exemplifies the highest standards of medical care.” He has published research in peer-reviewed journals and is Board Certified in both Internal Medicine with Focused Practice in Hospital Medicine and Hospice and Palliative Medicine. He is currently the Physician Champion of Mease Countryside Hospital’s Schwartz Center Rounds®, which originated at Massachusetts General Hospital and supports healthcare professionals in providing care with compassion and empathy.  He has been recognized as a Fellow of Hospital Medicine and is a member of the Society of Hospital Medicine and American College of Physicians.

Currently, Dr. Wickramasinghe serves as the Medical Director of the BayCare Medical Group Hospitalist Program.

a headshot of Jason Wilson

Jason P. Wilson, MD, MBA, CPE, FACS, Medical Director, Surgical Specialties

In September 2016, Dr. Jason P. Wilson joined BayCare Medical Group as a board-certified general surgeon, specializing in surgical oncology, diseases of the breast and melanoma. 

He earned his Doctor of Medicine from the University of Florida in Gainesville, Florida and then completed a general surgery residency at the University of Florida, before completing a surgical oncology fellowship at Roswell Park Cancer Institute in Buffalo, New York, where he was awarded the E.D. Holyoke Surgical Oncology Fellow award. 

Dr. Wilson has served in several leadership positions within BayCare including serving on the BayCare Medical Group Board of Directors and serving as president of the North Bay Hospital Medical Staff. His area of responsibilities as a Medical Director includes surgery practices in areas around Pinellas County, Morton Plant Hospital, North Bay Hospital and St. Joseph’s Hospital-North. He also continues his clinical work in the Morton Plant Mease system. Additionally, he serves on the Governing Council of the Young Fellows Association of the American College of Surgeons.

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