Joseph James Jennings, MD| Gastroenterology | MedStar Health
About me
Dr. Joseph J. Jennings is a board-certified gastroenterologist with a focus on bleeding within the GI tract. He graduated from Georgetown University School of Medicine in 2012 and completed his Internal Medicine training at MedStar Georgetown University Hospital in 2015. He served as the Chief Medical Resident for MedStar Georgetown University Hospital and served as an attending physician in Internal Medicine at the Washington DC VA Medical Center and Virginia Hospital Center as well. He completed his three year fellowship in Gastroenterology at MedStar Georgetown University Hospital and served as Chief Fellow in 2018-2019.
Dr. Jennings strives to create a relationship with his patients that promotes joint decision making and patient empowerment. He also has a strong interest in medical education and training. He currently serves as the associate director for the MedStar Georgetown University Hospital's gastroenterology fellowship program.
Dr. Jennings is board certified in Internal Medicine since 2015 and Gastroenterology/Hepatology since 2019 (Dr. Jennings Board Certifications). He has been recognized by multiple organizations as a "Top Gastroenterologist and Hepatologist" both for the DC region as well as on the national level.
Dr. Jennings is board certfied in Internal Medicine since 2015 and Gastroenterology/Hepatology since 2019 (Dr. Jennings Board Certifications). He has been recognized by multiple organizations as a "Top Gastroenterologist and Hepatologist" both for the DC region as well as on the national level.
Dr. Jennings sees patients at three locations currently:
MedStar Georgetown University Hospital for in person or virtual clinic visits as well as endoscopic procedures (Monday, Tuesday, Wednesday mornings, and Friday afternoons)
MedStar Lafayette Centre for clinic visits as well as endoscopic procedures (Thursday and Friday mornings)
MedStar McLean for in person clinic visits as well as endoscopic procedures (Wednesday afternoons)
Clinical areas of focus
- Colonoscopy With Biopsy
- Enteroscopy With Bleeding Control
- Sigmoidoscopy With Biopsy
Conditions and procedures
Conditions I treat
- Arteriovenous Malformation (AVM)
- Celiac Disease
- Colitis
- Colon Cancer
- Colon Polyps
- Colorectal Malignancy
- Crohn's Disease
- Diseases Of Esophagus
- Diseases Of Stomach And Duodenum
- Duodenal Ulcer
- Dysphagia
- Esophageal Cancer
- Gastric Cancer
- Gastrointestinal Bleeding
- Gastrointestinal Stromal Tumor (GIST)
- Hematemesis
- Inflammatory Bowel Disease
- Iron Deficiency Testing
- Proctitis
- Rectal Cancer
- Small Intestine Cancer
- Stomach Cancer
- Ulcerative Colitis
Procedures I perform
- Capsule Endoscopy
- Colonoscopy
- Colonoscopy Through Stoma
- Colonoscopy Through Stoma With Biopsy
- Colonoscopy With Biopsy
- Colonoscopy With Injection
- EGD With Biopsy
- EGD With Mucosal Resection
- Endoscopic Evaluation Of Intestinal Pouch
- Endoscopic Mucosal Resection
- Endoscopic Stomach Feeding Device Insertion
- Endoscopy
- Enteroscopy
- Enteroscopy With Biopsy
- Enteroscopy With Bleeding Control
- Esophageal Dilation
- Esophagogastroduodenoscopy With Tumor Ablation
- Flexible Colonoscopy With Biopsy
- Ileoscopy With Biopsy
- Inflammatory Bowel Disease
- Lower Gi Endoscopy
- Sigmoidoscopy With Biopsy
- Upper Esophagus Dilation, Endoscopic
- Upper Gi Endoscopy
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.
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List of insurance plans we accept
- Choice POS
- Uniformed Services Family Health Plan
- Aetna Open Choice (PPO)
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- IH-EPO Plus
- BlueChoice Open Access
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Amerigroup DC Alliance
- Coventry of Delaware HMO/PPO
- Lasso Healthcare - Medicare Medical Savings Account
- Aetna Managed Choice (POS)
- Great-West Healthcare POS/CIGNA
- Choice POS II Open Access
- IH-Open Network Only Plus
- CareFirst FEP Blue Focus
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- CIGNA PPO
- Aetna Student Health Insurance
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- CareFirst Community Health Plan of MD
- CIGNA Indemnity
- MedStar Family Choice DC Healthcare Alliance
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- CareFirst Blue Preferred PPO
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Aetna Classic 3500
- Anthem BCBS Medi Blue Plus
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Cigna Preferred Medicare (HMO)
- Maryland Physicians Care MCO
- Choice POS II
- Johns Hopkins Advantage MD PLUS PPO
- CareFirst Maryland Point of Service Plan
- Aetna HMO
- Humana Medicare Advantage - HMO Open Access
- Optima Family Care MCO - VA Medicaid MCO
- IH-Indemnity
- Kaiser Permanente Flexible Choice 3-tier POS
- OCI Direct (HMO)
- Choice Care Network/HUMANA (PPO)
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- United Healthcare Select HMO - EPO/NPP
- Beech Street PPO
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- HumanaChoice PPO
- Aetna Classic 5000PD
- Cigna True Choice Medicare (PPO)
- Coventry Health Care of Virginia
- Aetna Worker's Compensation Network
- Jai Medical Systems - Maryland Health Choice
- IH-POS Plus
- Aetna Basic
- MedStar Family Choice DC Healthy Families
- Alterwood Advanatge HMO & DSNP Plans
- Kaiser Permanente Signature - Added Choice
- NYC Medicare Advantage Plus
- AmeriHealth Caritas DC Healthy Families
- Humana Medicare Advantage - PPO
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Aetna Managed Choice Open Access (POS)
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Medicare Direct
- CIGNA HMO Open Access
- Aetna Traditional Choice (PPO)
- HealthyBlue PPO
- Kaiser Maryland Medicaid MCO
- Options PPO Cardiac Global
- CareFirst (NCA) Indemnity
- Blue Choice Advantage
- CareFirst MedStar PPO
- Network OA
- Aetna Premier 200PD
- CIGNA PPO Plus
- Navigate
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Aetna Medicare Advantage HMO & PPO Plans
- Kaiser Permanente Signature
- CIGNA HMO & Network (HMO)
- Aetna Advantage 6350
- Amerigroup DC Healthy Families
- HumanaChoice Honor's plan PPO
- M.D. IPA Preferred (POS)
- Aetna Advantage 5750
- Anthem BCBS Medi Blue SNP
- Kaiser Permanente Medicare Plus
- United HealthCare Community Plan - Maryland Health Choice Program
- Coventry Health Care National Network PPO
- Cigna TotalCare (HMO D-SNP)
- AMERIVANTAGE/Amerigroup Community Care
- CareFirst Maryland Indemnity or PPO
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- TRICARE East Select
- Anthem Federal Employee Program Basic
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Aetna Elect Choice/ Open Access (POS)
- Aetna Signature Administrator PPO/TPA
- Erickson Advantage Plans
- CareFirst MedStar Select PPO
- IH-PPO
- CareFirst BlueChoice HMO
- CareFirst Blue Choice Opt Out Open Access
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- IH-Open HMO
- Aetna Medicare Advantage PFFS Plan
- Medicare FFS
- IH-Network Only Plus
- IH-Open POS Plus
- Humana Gold Plus HMO
- Anthem BCBS of VA HealthKeepers (HMO)
- CareFirst EPO
- Kaiser Permanente Select
- Select HMO/HealthFund/Health Network
- DC/MD SHOP QHP Small Business Plans
- CareFirst Blue Card Program
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- UnitedHealthcare Individual Exchange Plans
- CareFirst Dual Prime HMO-SNP
- TriWest Healthcare Alliance
- Magellan Complete Care of VA - VA Medicaid MCO
- CIGNA SureFit (HMO)
- UnitedHealthcare and AARP Medicare Complete Plans
- First Health PPO
- United Healthcare Options (PPO)
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Aetna Better Health of VA
- IH-POS
- CIGNA POS/Network POS
- United Student Resources
- Veterans Affairs Community Care Network
- TRICARE East Prime
- Aetna VA Exchange
- M.D. IPA (HMO)
- Health Services for Children with Special Needs
- United Healthcare Choice Plus Cardiac Global
- United Healthcare Choice
- Kaiser Permanente Select Cardiac Global
- United Healthcare Navigate Cardiac Global
- Aetna Classic 5000
- IH-Open HMO Option
- United Healthcare Choice Cardiac Global
- Tricare Reserve Select
- United Medicare Private Fee-for-Service (PFFS) plans
- POS OA
- Cigna Alliance Medicare (HMO)
- United Healthcare Community Plan - VA Medicaid MCO
- Optimum Choice Preferred (POS)
- CIGNA Connect EPO
- UHC Passport
- Anthem BCBS of VA HealthKeepers Plus
- Anthem BCBS Medi Blue Dual Adv
- CareFirst Group Medicare Advantage
- Geisinger Medicare Advantage
- Mamsi Life & Health (Indem./PPO)
- Private Fee-for-Service Plans (PFFS)
- Cigna True Choice Plus Medicare (PPO)
- IH-Open POS II
- Private Health Care Systems (PPO)
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- OA Plus
- Core Essential (HMO)
- United Healthcare Select Plus (POS)
- Sentara Health
- CIGNA EPO
- United Healthcare Choice Plus
- Aetna Advantage 6350PD
- CareFirst Administrators
- Kaiser Permanente Select - Added Choice
- Johns Hopkins Advantage MD HMO
- IH-Open EPO Plus
- Choice Fund PPO
- IH-HMO
- First Health PPO
- Priority Partners - Maryland Health Choice
- AmeriHealth Caritas DC Healthcare Alliance
- HighMark
- Advantra Platinum (PPO)
- Healthy Blue (HMO, POS)
- Johns Hopkins Advantage MD PPO
- MultiPlan, Inc
- Anthem Federal Employee Program Standard
- Kaiser Permanente Medicare Advantage Signature and Select
- Optimum Choice
- Cigna Achieve Medicare (HMO C-SNP)
- CareFirst NASCO
- WellPoint Maryland - Maryland Health Choice
- Aetna Better Health of MD
- TRICARE for Life East
- Employee Health Plan
- Aetna Quality Point of Service (POS)
- Police and Fire Clinic
- Medicare Advantage - Advantra Value (PPO)
- MedStar Family Choice - Maryland Health Choice
Videos
Education
Board Certification: American Board of Internal Medicine, Gastroenterology
Board Certification: American Board of Internal Medicine, Internal Medicine
Fellowship: Medstar-Georgetown University Medical Center (2019)
Residency: Georgetown University Hospital (2016)
Medical School: Georgetown University (2012)
Awards
- 2023 and 2024 Castle Connolly Top Doctor in Gastroenterology
- 2023, 2024, and 2025 Washingtonian Top Doctor in Gastroenterology
- Thomas Taylor Award for Excellence in Teaching and Patient Care (2019)
- 2019 American College of Gastroenterology Young Physician Leadership Scholar
- 2018 American College of Gastroenterology GI Jeopardy Winner
Hospital affiliations
News and publications
- Dr. Jennings talking with Men's Health on acid reflux, swallowing, and coughs
- Facebook Live: Colon Cancer Prevention
- National Colorectal Cancer Awareness Month 2023: Screening, risks and more
- Study: Colon cancer cases increase among younger adults
- Washington ABC7 National Colorectal Cancer Awareness 2023
- Health Watch: Avoiding holiday heartburn with Dr. Joseph Jennings
- Wondering Why Your Stomach Hurts After You Eat? Here Are 9 Possible Reasons
- Dr. Jennings promoting Colon Cancer Awareness Month
- 12 Days of Wellness - Dr. Jennings talks about celiac disease and holiday meals
- Dr. Jennings talks about COVID-19 and the GI Tract on NBC Washington
- Dr. Jennings recognized by the American College of Gastroenterology
Selected/Recent Publications
- Breast Cancer Metastasis to the Gastrointestinal Tract With Unusual Endoscopic and Histologic Presentations. Kimchy, Alexandra & Umoren, Mfoniso & Rosenberg, Jessica & Ilagan, Charmaine & Nithagon, Pichayut & Shafa, Shervin & Jennings, Joseph. (2022). ACG case reports journal. 9. e00938. 10.14309/crj.0000000000000938.
- Hepatotoxicty of Agents Used in the Management of Inflammatory Bowel Disease: a 2020 Update. Barnhill MS, Steinberg JM, Jennings JJ, Lewis JH.Curr Gastroenterol Rep. 2020 Jul 15;22(9):47. doi: 10.1007/s11894-020-00781-3.PMID: 32671616 Review.
- Hepatotoxicity induced by immune checkpoint inhibitors: a comprehensive review including current and alternative management strategies. Jennings JJ, Mandaliya R, Nakshabandi A, Lewis JH.Expert Opin Drug Metab Toxicol. 2019 Mar;15(3):231-244. doi: 10.1080/17425255.2019.1574744. Epub 2019 Feb 5.PMID: 30677306 Review.
- NAFLD-NASH: An Under-Recognized Epidemic.Jennings J, Faselis C, Yao MD.Curr Vasc Pharmacol. 2018;16(3):209-213. doi: 10.2174/1570161115666170622074007.PMID: 28676024 Review.
- Novel Use for Maloney Dilators in the Management of Gastrostomy Stenosis Jennings JJ, Batisda-Coelho R, Lipman TO.ACG Case Rep J. 2019 Apr 5;6(4):e00054. doi: 10.14309/crj.0000000000000054. eCollection 2019 Apr.PMID: 31616736 Free PMC article.
- Outcomes of vedolizumab therapy in patients with immune checkpoint inhibitor-induced colitis: a multi-center study. Abu-Sbeih H, Ali FS, Alsaadi D, Jennings JJ, Luo W, Gong Z, Richards DM, Charabaty A, Wang Y.J Immunother Cancer. 2018 Dec 5;6(1):142. doi: 10.1186/s40425-018-0461-4.PMID: 30518410 Free PMC article.
- Vedolizumab-Induced Remission in 3 Patients With Refractory Microscopic Colitis: A Tertiary Care Center Case Series. Jennings JJ, Charabaty A.Inflamm Bowel Dis. 2019 Jul 17;25(8):e97. doi: 10.1093/ibd/izz042.PMID: 30889247 No abstract available.
- H pylori treatment reduced risk for gastric cancer in patients with a family history of gastric cancer. Jennings JJ.Ann Intern Med. 2020 Jun 16;172(12):JC66. doi: 10.7326/ACPJ202006160-066.PMID: 32539507
- Understanding patient preference for physician attire: a cross-sectional observational study of 10 academic medical centres in the USA. Petrilli CM, Saint S, Jennings JJ, Caruso A, Kuhn L, Snyder A, Chopra V.BMJ Open. 2018 May 29;8(5):e021239. doi: 10.1136/bmjopen-2017-021239.PMID: 29844101 Free PMC article.