
Overview
Dr. Katz is the Medical Director of the Sleep Center at Johns Hopkins All Children’s Hospital. He joined the medical staff in 2023. He sees patients at the main campus in St. Petersburg, Florida, as well as at Johns Hopkins All Children’s Outpatient Care, Sarasota. Dr. Katz earned his medical degree from McGill University. He completed his internship and residency in pediatrics at the University of California, Irvine Medical Center. He also completed a fellowship in pediatric pulmonology at the Johns Hopkins University School of Medicine in Baltimore, Maryland. His clinical interests include sleep-disordered breathing, infant breathing disturbances and hypersomnia. His research interests are focused on the pathophysiology of obstructive sleep apnea in children.
Dr. Katz is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Obstructive Sleep Apnea, Micrognathia, Cerebral Hypoxia, Adenoidectomy, and Gastrostomy.
His clinical research consists of co-authoring 60 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- POS
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- PPO
- HMO
- POS
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE-MEDICAID PLAN
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- EPO
- HMO
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
501 6th Avenue South, Floor 2, Floor 2, Saint Petersburg, FL 33701
5881 Rand Boulevard, Sarasota, FL 34238
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
1 Clinical Trials
Johns Hopkins All Children's Outpatient Care, St. Petersburg
Dr. Green, M.D., M.H.S., is a pediatric pulmonologist and the medical director of the nationally accredited Cystic Fibrosis (CF) Care Center and the CF Therapeutic Development Center at Johns Hopkins All Children’s Hospital. She is focused on clinical care for patients with CF and clinical research using genetic modifiers of CF disease. Dr. Green is also an assistant professor of pediatrics with the Johns Hopkins University School of Medicine. Dr. Green and the CF team were honored for Innovations in Clinical Care for Johns Hopkins All Children's in the 2024 Johns Hopkins Medicine Clinical Awards and for Clinical Collaboration and Teamwork in 2019. Dr. Green joined the Johns Hopkins All Children’s Hospital faculty in 2015. She previously served as associate director of the Duke University Pediatric Cystic Fibrosis Center and was an assistant professor of pediatrics at the Duke University School of Medicine. She completed her pediatric residency and pediatric pulmonary fellowship at the Johns Hopkins University School of Medicine. She holds a masters in health science degree from the Johns Hopkins Bloomberg School of Health, with an emphasis on design of clinical research trials and clinical epidemiology. She is a graduate of the University of Florida School of Medicine. Dr. Green serves as principal investigator for six clinical trials in cystic fibrosis and previously was principal site investigator for a multi-center consortium for asthma research supported by the American Lung Association. Dr. Green is rated as an Advanced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Cystic Fibrosis, Secondary Immunodeficiency (SID), Newborn Jaundice, Obesity in Children, and Gastrostomy.
University Medical Service Association Inc
Marisa Couluris is a Pediatric Pulmonologist and a Pediatrics provider in Saint Petersburg, Florida. Dr. Couluris is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). Her top areas of expertise are Asthma, Cystic Fibrosis, Trisomy 13, and Secondary Immunodeficiency (SID). Dr. Couluris is currently accepting new patients.
Johns Hopkins All Children's Outpatient Care, St. Petersburg
Dr. McKinley specializes in pediatric pulmonology in the Department of Medicine. His areas of clinical focus include cystic fibrosis, pulmonary hypertension, acute asthma, lung disease related to sickle cell disease, interstitial and rare lung disease. Dr. McKinley joined Johns Hopkins All Children’s Hospital in August 2016 after completing a fellowship in pediatric pulmonary medicine at Baylor College of Medicine –Texas Children’s Hospital in Houston. Dr. McKinley received the Johns Hopkins All Children’s Excellence in Service and Professionalism Award in the 2022 Johns Hopkins Medicine Clinical Awards. While completing his pediatric residency at the USF Health Morsani College of Medicine and Johns Hopkins All Children’s Hospital, Dr. McKinley received the Allen Root, M.D., Resident of the Year Award (June 2013) and the CREST Resident Teacher of the Year Award. He is a graduate of the Lake Erie College of Osteopathic Medicine in Bradenton, Florida. Dr. Mckinley is rated as an Experienced provider by MediFind in the treatment of Secondary Immunodeficiency (SID). His top areas of expertise are Asthma, Cystic Fibrosis, Secondary Immunodeficiency (SID), and Newborn Jaundice.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- AdenoidectomyDr. Katz isDistinguished. Learn about Adenoidectomy.
- Obstructive Sleep ApneaDr. Katz isDistinguished. Learn about Obstructive Sleep Apnea.
- Advanced
- Cerebral HypoxiaDr. Katz isAdvanced. Learn about Cerebral Hypoxia.
- MicrognathiaDr. Katz isAdvanced. Learn about Micrognathia.
- Experienced
- Central Sleep ApneaDr. Katz isExperienced. Learn about Central Sleep Apnea.
- Cystic FibrosisDr. Katz isExperienced. Learn about Cystic Fibrosis.
- DrowsinessDr. Katz isExperienced. Learn about Drowsiness.
- Excessive Daytime SleepinessDr. Katz isExperienced. Learn about Excessive Daytime Sleepiness.
- Gastroesophageal Reflux Disease (GERD)
- Gastroesophageal Reflux in InfantsDr. Katz isExperienced. Learn about Gastroesophageal Reflux in Infants.

