Dr. Messina is the chief of the Division of Infectious Disease at Johns Hopkins All Children's Hospital. She joined the pediatric infectious disease program in 2006. She became chief of the medical staff in January 2024. A graduate of Vanderbilt University School of Medicine, she completed her pediatric residency at University of Texas-Southwestern Medical Center/Children's Medical Center, Dallas, followed by a pediatric infectious diseases fellowship at UT/Southwestern Medical Center. She was a staff pediatrician at Children's Medical Center Dallas. In the Johns Hopkins Medicine Clinical Awards, Dr. Messina was named Johns Hopkins All Children’s Hospital physician of the year in 2019 and led a COVID-19 Analytic Response Team that received the Armstrong Award for Excellence in Quality and Safety in 2022. Dr. Messina is a fellow of the American Academy of Pediatrics. She is a member of the Pediatric Infectious Disease Society, the American Society for Microbiology and the Infectious Disease Society of America. Dr. Messina serves as a reviewer for the Pediatric Infectious Disease Journal. Recent News Articles and Media Coverage The Right Vaccine Dose for Kids at the Right Age, Bay News 9 (November 4, 2021) Doctors push for children to get vaccinated before the holidays, WFLA -TV (November 10, 2021) 5 tips for parents as omicron spreads and pediatric hospitalizations rise, ABC News (December 30, 2021) CDC Shortens Isolation Period to Five Days for Asymptomatic Cases, CNN (December 28, 2021) When Can Children Get the COVID-19 Vaccine? Pediatricians Explain What to Expect, Prevention (January 4, 2022) Most Americans — and 75% of children — have gotten COVID, says CDC, Tampa Bay Times (April 28, 2022) Doctors on why Florida’s youngest kids should get COVID vaccine, Tampa Bay Times (June 27, 2022) Got questions about COVID vaccines for babies and toddlers? Here’s the answers, Tampa Bay Times (June 20, 2022) Local health officials monitor rise in RSV cases among children, WTVT - TV (November 8, 2022) Health officials alarmed over rise in RSV cases, St. Pete Catalyst (November 10, 2022) Tampa Bay area doctors give advice on back to school as summer winds down, WFTS -TV (July 27, 2022) Flu admissions spike at Tampa Bay hospitals, Tampa Bay Times (November 24, 2022) How Worried Should We Be About RSV?, Sarasota Magazine (November 10, 2022). Dr. Messina is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). Her top areas of expertise are Methicillin-Resistant Staphylococcus Aureus (MRSA) and Infantile Neutropenia.

Robert Proietto is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Proietto is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Necrosis, Stroke, Heart Attack, Gastrostomy, and Hip Replacement. Dr. Proietto is currently accepting new patients.

Juan Casadevalls is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Casadevalls is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Stroke, Lung Metastases, Grass Allergy, Gastrostomy, and Ureteroscopy.

Rabee Korbaj is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Korbaj is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Sepsis, Pneumonia, Necrosis, Gastrostomy, and Endoscopy. Dr. Korbaj is currently accepting new patients.

David Lim is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Lim is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Gallbladder Disease, High Potassium Level, Rhabdomyolysis, Endoscopy, and Gastrostomy. Dr. Lim is currently accepting new patients.

Nino Kurtsikidze is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Kurtsikidze is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). Her top areas of expertise are End-Stage Renal Disease (ESRD), Sepsis, Atypical Pneumonia, Gastrostomy, and Endoscopy. Dr. Kurtsikidze is currently accepting new patients.

Tatiana Arkhipenko is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Arkhipenko is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). Her top areas of expertise are Acute Kidney Failure, Type 2 Diabetes (T2D), Familial Colorectal Cancer, Gastrostomy, and Endoscopy. Dr. Arkhipenko is currently accepting new patients.

Luis Ycaza is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Ycaza is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Hypertensive Heart Disease, Osteomyelitis in Children, Enlarged Liver, and Peptic Ulcer. Dr. Ycaza is currently accepting new patients.

Patrick Mella is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Mella is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Osteomyelitis in Children, Lung Metastases, Hip Replacement, and Ureteroscopy. Dr. Mella is currently accepting new patients.

Ann Threatte is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Threatte is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). Her top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), Peptic Ulcer, Ureteroscopy, and Endoscopy. Dr. Threatte is currently accepting new patients.

Ali Saberi is a primary care provider, practicing in Internal Medicine in Saint Petersburg, Florida. Dr. Saberi is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Peptic Ulcer, Necrosis, Pseudomonas Stutzeri Infections, and Pustules.

Mark Eichenbaum is a primary care provider, practicing in Geriatrics and Internal Medicine in St Petersburg, Florida. Dr. Eichenbaum is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Newborn Jaundice, Transient Familial Hyperbilirubinemia, Thyroid Dysgenesis, Gastrostomy, and Endoscopy. Dr. Eichenbaum is currently accepting new patients.

Nery Balcacer-Estevez is an Infectious Disease provider in St Petersburg, Florida. Dr. Balcacer-Estevez is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). Her top areas of expertise are Cellulitis, COVID-19, Sepsis, Gastrostomy, and Endoscopy. Dr. Balcacer-Estevez is currently accepting new patients.

Hazem Al-Andary is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Al-Andary is rated as an Advanced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Necrosis, Peptic Ulcer, Pneumonia, Gastrostomy, and Endoscopy. Dr. Al-Andary is currently accepting new patients.

Paul Harrington is an Infectious Disease specialist and an Undersea and Hyperbaric Medicine provider in Tierra Verde, Florida. Dr. Harrington is rated as an Advanced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Cellulitis, Methicillin-Resistant Staphylococcus Aureus (MRSA), Lymphangitis, and Osteomyelitis. Dr. Harrington is currently accepting new patients.

Giovanni Baula is a primary care provider, practicing in Internal Medicine in Gulfport, Florida. Dr. Baula is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Pendred Syndrome, Heart Attack, End-Stage Renal Disease (ESRD), Gastrostomy, and Endoscopy.

Rakesh Mittal is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Mittal is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Anemia, Peptic Ulcer, Orthostatic Hypotension, Gastrostomy, and Ureteroscopy. Dr. Mittal is currently accepting new patients.

Roopa Ganga is an Infectious Disease provider in Kenneth City, Florida. Dr. Ganga is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). Her top areas of expertise are Sepsis, Lymphangitis, Cellulitis, and Pneumonia.

Abey Sarai is an Infectious Disease provider in Kenneth City, Florida. Dr. Sarai is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). Her top areas of expertise are Cellulitis, Sepsis, Lymphangitis, and Bacterial Gastroenteritis.

Lalit Kalra is an Infectious Disease provider in Kenneth City, Florida. Dr. Kalra is rated as an Experienced provider by MediFind in the treatment of Methicillin-Resistant Staphylococcus Aureus (MRSA). His top areas of expertise are Pneumonia, Lymphangitis, Sepsis, and Cellulitis.