Overview
John Ryan is a Pediatrics provider in Portsmouth, New Hampshire. Dr. Ryan is rated as an Experienced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Type 1 Diabetes (T1D), Pulmonary Hypertension, Umbilical Hernia, and Omphalocele.
His clinical research consists of co-authoring 94 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 2 articles in the study of Gastroesophageal Reflux Disease (GERD).
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- EPO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- MANAGED MEDICAID PLAN
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
Locations
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.
Daniel Duncan is a Pediatric Gastroenterologist and a Gastroenterologist in Boston, Massachusetts. Dr. Duncan is rated as a Distinguished provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). His top areas of expertise are Gastroesophageal Reflux in Infants, Swallowing Difficulty, Gastroesophageal Reflux Disease (GERD), and Painful Swallowing. Dr. Duncan is currently accepting new patients.
Lisa Mahoney is a Pediatric Gastroenterologist and a Pediatrics provider in Boston, Massachusetts. Dr. Mahoney is rated as an Advanced provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). Her top areas of expertise are Gastroesophageal Reflux Disease (GERD), Delayed Growth, Encopresis, Gastrostomy, and Endoscopy. Dr. Mahoney is currently accepting new patients.
Maireade Mcsweeney is a Pediatric Gastroenterologist and a Pediatrics provider in Boston, Massachusetts. Dr. Mcsweeney is rated as a Distinguished provider by MediFind in the treatment of Gastroesophageal Reflux Disease (GERD). Her top areas of expertise are Gastroesophageal Reflux in Infants, Swallowing Difficulty, Eosinophilic Esophagitis, Gastrostomy, and Myringotomy. Dr. Mcsweeney is currently accepting new patients.
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
- Experienced
- Gastroesophageal Reflux Disease (GERD)
- HypertensionDr. Ryan isExperienced. Learn about Hypertension.
- OmphaloceleDr. Ryan isExperienced. Learn about Omphalocele.
- Pulmonary HypertensionDr. Ryan isExperienced. Learn about Pulmonary Hypertension.
- Stork BiteDr. Ryan isExperienced. Learn about Stork Bite.
- Systemic Sclerosis (SSc)Dr. Ryan isExperienced. Learn about Systemic Sclerosis (SSc).