Overview
Daniel O'brien is a Gastroenterologist in Danbury, Connecticut. Dr. O'brien is rated as an Advanced provider by MediFind in Gastrectomy. His top areas of expertise are Diarrhea, Trichohepatoenteric Syndrome, Gas Bloat Syndrome, Gastrectomy, and Colonoscopy.
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
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- HMO
- MEDICARE SNP
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- PPO
- INSURANCE PLAN
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
24 Hospital Ave, Danbury, CT 06810
Additional Areas of Focus
Dr. O'brien has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
New York University
Rani Modayil is a Gastroenterologist in New York, New York. Dr. Modayil is rated as a Distinguished provider by MediFind in Gastrectomy. Her top areas of expertise are Achalasia, Gastroesophageal Reflux Disease (GERD), Barrett Esophagus, Endoscopy, and Gastrectomy.
Iheanyichukwu Aja is a Gastroenterologist in Freeport, New York. Dr. Aja is rated as a Distinguished provider by MediFind in Gastrectomy. His top areas of expertise are Bile Duct Obstruction, Gastrointestinal Bleeding, Acute Pancreatitis, Gastrectomy, and Colonoscopy.
Islandwide Gastroenterology PC
Philip Cassar is a Gastroenterologist in Garden City, New York. Dr. Cassar is rated as a Distinguished provider by MediFind in Gastrectomy. His top areas of expertise are Gastrointestinal Bleeding, Angiodysplasia of the Colon, Viral Gastroenteritis, Endoscopy, and Gastrectomy.
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
- Advanced
- GastrectomyDr. O'brien isAdvanced. Learn about Gastrectomy.
- Experienced
- AnemiaDr. O'brien isExperienced. Learn about Anemia.
- Angiodysplasia of the ColonDr. O'brien isExperienced. Learn about Angiodysplasia of the Colon.
- Barrett EsophagusDr. O'brien isExperienced. Learn about Barrett Esophagus.
- Benign Esophageal StrictureDr. O'brien isExperienced. Learn about Benign Esophageal Stricture.
- Berdon SyndromeDr. O'brien isExperienced. Learn about Berdon Syndrome.
- Celiac DiseaseDr. O'brien isExperienced. Learn about Celiac Disease.