John Edward Carroll, MD| Gastroenterology | MedStar Health
About me
John E. Carroll, MD, is a Gastroenterologist at MedStar Georgetown University Hospital. Board certified in internal medicine and gastroenterology, Dr. Carroll has been at Georgetown for twenty-seven years. After graduating from medical school in Wisconsin, Dr. Carroll came to Georgetown for his internship in 1993, where he stayed and completed all of his postgraduate and specialty training. Dr. Carroll grew up in Chicago, and earned his degree in biomedical engineering at Marquette University.
Dr. Carroll did advanced training in endoscopic ultrasound (EUS) at Georgetown, and has been specializing in performing EUS procedures of the GI tract for 20 years. In addition to his interest in EUS procedures of the pancreas, stomach and biliary systems, Dr. Carroll also has extensive interest and expertise in treating disorders of the esophagus, such as Barrett’s esophagus and early invasive esophageal cancers. With the increasing advances in endoscopic technology which have developed in recent years, Dr. Carroll and his colleagues are routinely successfully curing early esophageal cancers endoscopically, which up until recently had required large surgeries to cure.
During his spare time Dr. Carroll enjoys skiing, sailing, travel, and following DC sports, in particular the Washington Nationals.
Hear from one of Dr. Carroll's patients:
Preventing Esophageal Cancer: Area Experts Treat Barrett's Esophagus
Clinical areas of focus
- Colon Biopsy
- Colonoscopy
- Enteroscopy
- Gastroesophageal Reflux Disease (GERD) In Children
- Inflammatory Bowel Disease (IBD) With Infection
- Intestinal Stenosis
- Irritable Bowel Syndrome
- Lower Gi Endoscopy
- Rectal Biopsy
Conditions and procedures
Conditions I treat
- Abdominal Cramping
- Abdominal Distension
- Abdominal Pain
- Abnormal Digestive Findings
- Abnormal Stool
- Achalasia
- Acute Pancreatitis
- Alimentary Tract Foreign Body
- Altered Bowel Habits
- Anal Fissures
- Anus And Rectum Diseases
- Aphagia
- Aphagia And Dysphagia
- Appendiceal Cancer
- Benign Neoplasm Of Colon, Rectum, Anus And Anal Canal
- Benign Neoplasm Of Digestive System
- Bile Duct Stones
- Biliary Tract Disease
- Bowel Obstruction
- Celiac Disease
- Choledocholithiasis
- Chronic Diarrhea
- Colitis
- Colon Cancer
- Colon Disease
- Colon Polyps
- Colorectal Malignancy
- Congenital Malformations Of Digestive System
- Constipation
- Crohn's Disease
- Crohn's Disease [Regional Enteritis]
- Diaphragmatic Hernia
- Digestive System Cancer
- Digestive System Complications
- Digestive System Diseases
- Digestive System Symptoms
- Diseases Of Esophagus
- Diseases Of Stomach And Duodenum
- Duodenal Ulcer
- Duodenitis
- Dysphagia
- Esophageal Cancer
- Esophageal Stricture
- Esophagitis
- External Hemorrhoids
- Flatulence
- Functional Intestinal Disorders
- Gallbladder Cancer
- Gallstones
- Gas And Bloating
- Gastric Cancer
- Gastric Varices
- Gastritis
- Gastroenteritis
- Gastroesophageal Reflux Disease (GERD) In Children
- Gastrointestinal Bleeding
- Gastrointestinal Stromal Tumor (GIST)
- Hemangioma
- Hematemesis
- Hemorrhoids
- Hepatitis
- Hepatomegaly
- Hepatomegaly And Splenomegaly
- Infectious Gastroenteritis
- Inflammatory Bowel Disease (IBD) With Infection
- Intestinal Infections
- Intestinal Stenosis
- Irritable Bowel Syndrome
- Liver Cirrhosis
- Liver Encephalopathy
- Liver Fibrosis
- Malabsorption
- Malignant Neuroendocrine Tumors
- Noninfective Gastroenteritis
- Pancreatic Diseases
- Pancreatitis
- Paralytic Ileus And Intestinal Obstruction
- Perianal Pain
- Peripheral Vascular Disease Of The Intestines
- Polycystic Liver Disease
- Postoperative Ileus
- Postprandial Diarrhea
- Rectal Pain
- Regional Enteritis
- Small Intestine Cancer
- Stomach Cancer
- Stomach Ulcers
- Ulcerative Colitis
- Viral Hepatitis
- Vomiting And Nausea
Procedures I perform
- Capsule Endoscopy
- Colon Biopsy
- Colonoscopy
- Colonoscopy Through Stoma With Biopsy
- Colonoscopy With Injection
- EGD With Biopsy
- EGD With Dilation
- Endoscopic Diagnostic Pancreas Drainage
- Endoscopic Mucosal Resection
- Endoscopic Retrograde Cholangiopancreatography (ERCP)
- Endoscopic Stomach Feeding Device Insertion
- Enteroscopy
- Enteroscopy With Bleeding Control
- Esophageal Dilation
- Esophageal PH Monitoring
- Esophagogastroduodenoscopy With Tumor Ablation
- Flexible Colonoscopy With Biopsy
- Flexible Sigmoidoscopy With Biopsy
- Fluoroscopy Of Stomach
- Gastric Manometry
- Gastrointestinal Motility Study
- Gastrointestinal Neurological Disorders Treatment
- Gastrostomy
- Gastrostomy Tube Replacement
- Helicobacter Pylori Stool Test
- Liver Biopsy
- Lower Gi Endoscopy
- Lower Gi Therapeutic Substance Introduction
- Mallory-Weiss Syndrome Treatment
- Rectal Biopsy
- Rectal Stricture Dilation
- Retrograde Cholangiopancreatography
- Sigmoidoscopy With Biopsy
- Stent Placement
- Transrectal Ultrasound
- Ulcerative Colitis-Associated Arthritis Treatment
- Ultrasonography Of Gastrointestinal Tract
- Upper Esophagus Dilation, Endoscopic
- Upper Gi Endoscopy
- Urea Breath Test
- Variceal Band Ligation
Insurance
MedStar Health accepts most major health insurance plans. If you are uncertain as to whether your individual health insurance plan is accepted at MedStar Health, please call your insurance company.
-
List of insurance plans we accept
- Amerigroup DC Alliance
- Kaiser Permanente Medicare Advantage Signature and Select
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- HighMark
- IH-EPO Plus
- Optima Family Care MCO - VA Medicaid MCO
- Cigna Alliance Medicare (HMO)
- Humana Medicare Advantage - HMO Open Access
- IH-Indemnity
- CareFirst Maryland Indemnity or PPO
- IH-HMO
- HumanaChoice PPO
- United Healthcare Choice Plus Cardiac Global
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Aetna Managed Choice (POS)
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- IH-Open EPO Plus
- Kaiser Permanente Flexible Choice POS Cardiac Global
- CIGNA EPO
- Anthem BCBS of VA HealthKeepers (HMO)
- CareFirst FEP Blue Focus
- Amerigroup DC Healthy Families
- CIGNA HMO Open Access
- Choice Fund PPO
- WellPoint Maryland - Maryland Health Choice
- Alterwood Advanatge HMO & DSNP Plans
- Beech Street PPO
- HumanaChoice Honor's plan PPO
- CareFirst Maryland Point of Service Plan
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Network OA
- Erickson Advantage Plans
- Aetna Better Health of VA
- Blue Choice Advantage
- CareFirst MedStar PPO
- Anthem BCBS of VA HealthKeepers Plus
- Health Services for Children with Special Needs
- Aetna Elect Choice/ Open Access (POS)
- Advantra Platinum (PPO)
- Aetna Medicare Advantage HMO & PPO Plans
- Medicare FFS
- Humana Medicare Advantage - PPO
- CareFirst Dual Prime HMO-SNP
- Tricare Reserve Select
- UnitedHealthcare and AARP Medicare Complete Plans
- United Healthcare Select Plus (POS)
- Coventry of Delaware HMO/PPO
- Kaiser Permanente Select - Added Choice
- MedStar Family Choice DC Healthcare Alliance
- MultiPlan, Inc
- Geisinger Medicare Advantage
- CIGNA Connect EPO
- MedStar Family Choice DC Healthy Families
- CareFirst MedStar Select PPO
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- CareFirst Community Health Plan of MD
- Core Essential (HMO)
- MedStar Family Choice - Maryland Health Choice
- United Healthcare Select HMO - EPO/NPP
- Magellan Complete Care of VA - VA Medicaid MCO
- Aetna Classic 3500
- IH-Open HMO
- Anthem BCBS Medi Blue Dual Adv
- CIGNA POS/Network POS
- IH-Open POS Plus
- Aetna Advantage 6350PD
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Aetna Classic 5000PD
- Maryland Physicians Care MCO
- Medicare Direct
- IH-Open POS II
- CareFirst (NCA) Indemnity
- CIGNA Indemnity
- Mamsi Life & Health (Indem./PPO)
- NYC Medicare Advantage Plus
- OCI Direct (HMO)
- Aetna Quality Point of Service (POS)
- Aetna Student Health Insurance
- Select HMO/HealthFund/Health Network
- Anthem BCBS Medi Blue Plus
- Cigna TotalCare (HMO D-SNP)
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- IH-PPO
- AmeriHealth Caritas DC Healthcare Alliance
- Choice Care Network/HUMANA (PPO)
- United Medicare Private Fee-for-Service (PFFS) plans
- United Healthcare Options (PPO)
- Aetna Medicare Advantage PFFS Plan
- CareFirst Blue Preferred PPO
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Choice POS II Open Access
- M.D. IPA Preferred (POS)
- Johns Hopkins Advantage MD PPO
- DC/MD SHOP QHP Small Business Plans
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- United Healthcare Navigate Cardiac Global
- Aetna VA Exchange
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Coventry Health Care of Virginia
- Aetna Classic 5000
- Priority Partners - Maryland Health Choice
- TriWest Healthcare Alliance
- AmeriHealth Caritas DC Healthy Families
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Aetna Better Health of MD
- HealthyBlue PPO
- Kaiser Permanente Select
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Anthem Federal Employee Program Basic
- CareFirst Blue Choice Opt Out Open Access
- CIGNA PPO Plus
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- CareFirst BlueChoice HMO
- Cigna Preferred Medicare (HMO)
- CareFirst Blue Card Program
- Jai Medical Systems - Maryland Health Choice
- United Healthcare Community Plan - VA Medicaid MCO
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Kaiser Permanente Flexible Choice 3-tier POS
- UnitedHealthcare Individual Exchange Plans
- TRICARE for Life East
- Humana Gold Plus HMO
- Johns Hopkins Advantage MD HMO
- Johns Hopkins Advantage MD PLUS PPO
- Uniformed Services Family Health Plan
- Sentara Health
- Private Fee-for-Service Plans (PFFS)
- Kaiser Permanente HMO Plus and DHMO Plus Member
- CIGNA SureFit (HMO)
- Options PPO Cardiac Global
- Great-West Healthcare POS/CIGNA
- UHC Passport
- Kaiser Permanente Signature
- CareFirst Administrators
- OA Plus
- Cigna True Choice Plus Medicare (PPO)
- Medicare Advantage - Advantra Value (PPO)
- Healthy Blue (HMO, POS)
- Cigna Achieve Medicare (HMO C-SNP)
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- TRICARE East Prime
- United Healthcare Choice
- CIGNA PPO
- Aetna Premier 200PD
- Police and Fire Clinic
- M.D. IPA (HMO)
- Veterans Affairs Community Care Network
- Choice POS
- First Health PPO
- Aetna Worker's Compensation Network
- Anthem Federal Employee Program Standard
- BlueChoice Open Access
- Coventry Health Care National Network PPO
- IH-Network Only Plus
- IH-Open Network Only Plus
- CareFirst EPO
- United HealthCare Community Plan - Maryland Health Choice Program
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Navigate
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Aetna Traditional Choice (PPO)
- Choice POS II
- Aetna Open Choice (PPO)
- Aetna Basic
- Anthem BCBS Medi Blue SNP
- CareFirst NASCO
- Optimum Choice Preferred (POS)
- IH-Open HMO Option
- Aetna Signature Administrator PPO/TPA
- POS OA
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Cigna True Choice Medicare (PPO)
- IH-POS
- United Healthcare Choice Plus
- First Health PPO
- CareFirst Group Medicare Advantage
- IH-POS Plus
- Lasso Healthcare - Medicare Medical Savings Account
- Employee Health Plan
- Kaiser Permanente Medicare Plus
- Kaiser Permanente Select Cardiac Global
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Kaiser Permanente Signature - Added Choice
- Kaiser Maryland Medicaid MCO
- Aetna Advantage 5750
- AMERIVANTAGE/Amerigroup Community Care
- United Student Resources
- Optimum Choice
- Aetna Advantage 6350
- CIGNA HMO & Network (HMO)
- TRICARE East Select
- Private Health Care Systems (PPO)
- United Healthcare Choice Cardiac Global
- Aetna HMO
- Aetna Managed Choice Open Access (POS)
Videos
Education
Fellowship: Georgetown University School of Medicine GME (1999)
Residency: Georgetown University School of Medicine GME (1996)
Medical School: Medical College of Wisconsin (1993)