Nadim G. Haddad, MD| Gastroenterology, Pediatric Gastroenterology | MedStar Health
About me
Nadim Haddad, MD, is board certified in internal medicine and gastroenterology. Dr. Haddad serves as physician executive director and regional chief of the Department of Gastroenterology services at MedStar Georgetown University Hospital. Dr. Haddad sees adult patients for conditions affecting the gastrointestinal tract, such as pancreatic and bilary diseases, with a focus on cancer. In addition to adults, Dr. Haddad also attends to pediatric patients for upper gastrointestinal endoscopy.
Dr. Haddad's approach to care focuses on getting to know his patients treating the person, not a disease. His emphasizes hope when patients are facing a serious condition, such a cancer.
Dr. Haddad is also involved in research, focusing in the areas of pancreatic cancer and pancreatic cysts. He was instrumental in developing a pancreatic cyst registry that allows multiple academic medical centers and universities to collaborate and look at the role of molecular profiling.
In addition, Dr. Haddad is active in training the next generation of physicians as an associate professor at Georgetown University. As director of the Gastroenterology Fellowship Program, he was instrumental in it gaining full accreditation.
In his free time, Dr. Haddad is active in the Washington community, involved in his children's schools and with his church.
Clinical areas of focus
- Bile Duct Stones
- Colon Cancer
- Colonoscopy
- Colonoscopy With Injection
- Endoscopic Diagnostic Pancreas Drainage
- Endoscopic Pancreatic Ductal System Catheterization
- Endoscopic Retrograde Cholangiopancreatography
- Endoscopic Retrograde Cholangiopancreatography With Biopsy
- Endoscopic Retrograde Cholangiopancreatography With Calculi Destruction
- Gallstones
- Gastric Cancer
- Pancreatitis
- Rectal Cancer
- Sphincter Of Oddi Dysfunction
- Transrectal Ultrasound
Conditions and procedures
Conditions I treat
- Abdominal Distension
- Abdominal Pain
- Achalasia
- Acute Cholecystitis
- Acute Pancreatitis
- Alimentary Tract Foreign Body
- Anal Fissures
- Angiodysplasia
- Anus And Rectum Diseases
- Aphagia And Dysphagia
- Appendiceal Cancer
- Benign Neoplasm Of Colon, Rectum, Anus And Anal Canal
- Benign Neoplasm Of Digestive System
- Bezoar
- Bile Duct Cancer
- Bile Duct Stones
- Biliary Tract Disease
- Bowel Obstruction
- Carcinoma In Situ Of Digestive Organs
- Celiac Disease
- Choledocholithiasis
- Colon Cancer
- Colon Disease
- Colon Polyp
- Colon Polyps
- Colonic Polyps
- Colorectal Malignancy
- Congenital Malformations Of Digestive System
- Constipation
- Crohn's Disease
- Crohn's Disease [Regional Enteritis]
- Cyclic Vomiting Syndrome
- Diaphragmatic Hernia
- Digestive System Complications
- Digestive System Diseases
- Digestive System Symptoms
- Diseases Of Esophagus
- Diseases Of Stomach And Duodenum
- Diverticular Disease
- Diverticulitis
- Duodenal Ulcer
- Duodenitis
- Dysphagia
- Esophageal Cancer
- Esophageal Hernia
- Esophagitis
- Flatulence
- Functional Dyspepsia
- Functional Intestinal Disorders
- Gallbladder Cancer
- Gallbladder Disease
- Gallstones
- Gas And Bloating
- Gastric Cancer
- Gastric Varices
- Gastritis
- Gastroenteritis
- Gastroesophageal Reflux Disease
- Gastroesophageal Reflux Disease (GERD) In Children
- Gastrointestinal Bleeding
- Gastrointestinal Stromal Tumor (GIST)
- Hemorrhoids
- Hepatitis
- Hepatomegaly And Splenomegaly
- Hereditary Hemorrhagic Telangiectasia
- Inflammatory Bowel Disease
- Intestinal Infections
- Intussusception
- Irritable Bowel Syndrome
- Liver Cirrhosis
- Liver Failure
- Liver Fibrosis
- Malabsorption
- Malabsorption Syndrome
- Malignant Neuroendocrine Tumors
- Nausea
- Noninfective Gastroenteritis
- Pancreas Cancer
- Pancreatic Diseases
- Pancreatitis
- Paralytic Ileus And Intestinal Obstruction
- Peptic Ulcer Disease
- Perianal Fistula
- Peripheral Vascular Disease Of The Intestines
- Polycystic Liver Disease
- Rectal Cancer
- Small Intestine Cancer
- Sphincter Of Oddi Dysfunction
- Stomach Cancer
- Stomach Ulcers
- Ulcerative Colitis
- Viral Hepatitis
- Volvulus
- Vomiting
- Zollinger
Procedures I perform
- Biliary Endoscopy With Calculus Removal
- Colonoscopy
- Colonoscopy With Injection
- Dilation Of Common Hepatic Duct
- Dilation Of Common Hepatic Duct With Stent
- Dilation Of Esophagus
- Endoscopic Biliary Ductal System Catheterization
- Endoscopic Diagnostic Common Bile Duct Excision
- Endoscopic Diagnostic Pancreas Drainage
- Endoscopic Mucosal Resection
- Endoscopic Pancreatic Ductal System Catheterization
- Endoscopic Retrograde Cholangiopancreatography
- Endoscopic Retrograde Cholangiopancreatography With Biopsy
- Endoscopic Retrograde Cholangiopancreatography With Calculi Destruction
- Endoscopic Retrograde Cholangiopancreatography With Calculi Removal
- Endoscopic Retrograde Cholangiopancreatography With Papilla Cannulation
- Enteroscopy
- Enteroscopy With Bleeding Control
- Flexible Colonoscopy With Biopsy
- Flexible Sigmoidoscopy With Biopsy
- Fluoroscopy Of Bile Ducts
- Fluoroscopy Of Stomach
- Gastrointestinal Motility Study
- Hepatobiliary Duct Inspection
- Lower Gi Endoscopy
- Rectal Stricture Dilation
- Sigmoidoscopy With Biopsy
- Transrectal Ultrasound
- Unlisted Biliary Tract Procedure
- Upper Esophagus Dilation, Endoscopic
- Upper Gi Endoscopy
Practice locations
Distance from Change Location Enter your Location
3800 Reservoir Rd NW
Main Bldg 2nd Fl
Washington, DC, 20007
621 Ridgely Ave
Ste 201
Annapolis, MD, 21401
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
- First Health PPO
- United HealthCare Community Plan - Maryland Health Choice Program
- Aetna Better Health of MD
- CIGNA PPO Plus
- CareFirst MedStar PPO
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- CareFirst Administrators
- M.D. IPA (HMO)
- Aetna Classic 3500
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Maryland Physicians Care MCO
- OCI Direct (HMO)
- Optima Family Care MCO - VA Medicaid MCO
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- CareFirst Blue Card Program
- Johns Hopkins Advantage MD PPO
- Veterans Affairs Community Care Network
- United Healthcare Choice Plus
- Mamsi Life & Health (Indem./PPO)
- Aetna Managed Choice (POS)
- Anthem BCBS Medi Blue SNP
- Cigna True Choice Medicare (PPO)
- Medicare FFS
- Kaiser Permanente Medicare Plus
- CIGNA POS/Network POS
- First Health PPO
- CareFirst NASCO
- BlueChoice Open Access
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Cigna Achieve Medicare (HMO C-SNP)
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Network OA
- Johns Hopkins Advantage MD HMO
- CIGNA Connect EPO
- Cigna Alliance Medicare (HMO)
- Aetna Basic
- Employee Health Plan
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Medicare Direct
- Aetna Advantage 6350
- Aetna HMO
- Choice POS
- United Healthcare Choice Cardiac Global
- Aetna Premier 200PD
- United Medicare Private Fee-for-Service (PFFS) plans
- United Healthcare Navigate Cardiac Global
- United Healthcare Choice Plus Cardiac Global
- Aetna Advantage 5750
- CareFirst Maryland Point of Service Plan
- Kaiser Permanente Flexible Choice 3-tier POS
- Private Fee-for-Service Plans (PFFS)
- HighMark
- UnitedHealthcare and AARP Medicare Complete Plans
- Alterwood Advanatge HMO & DSNP Plans
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Police and Fire Clinic
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Amerigroup DC Alliance
- Kaiser Permanente Select - Added Choice
- UHC Passport
- Blue Choice Advantage
- HumanaChoice Honor's plan PPO
- Johns Hopkins Advantage MD PLUS PPO
- CareFirst Community Health Plan of MD
- OA Plus
- MultiPlan, Inc
- United Student Resources
- UnitedHealthcare Individual Exchange Plans
- CareFirst (NCA) Indemnity
- Amerigroup DC Healthy Families
- Anthem BCBS of VA HealthKeepers Plus
- Anthem Federal Employee Program Basic
- POS OA
- United Healthcare Select Plus (POS)
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- CareFirst Blue Choice Opt Out Open Access
- Cigna TotalCare (HMO D-SNP)
- CareFirst Group Medicare Advantage
- CareFirst MedStar Select PPO
- Erickson Advantage Plans
- IH-Open HMO
- Coventry of Delaware HMO/PPO
- Priority Partners - Maryland Health Choice
- United Healthcare Options (PPO)
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Aetna Medicare Advantage HMO & PPO Plans
- Aetna Worker's Compensation Network
- Anthem BCBS Medi Blue Dual Adv
- Aetna Better Health of VA
- IH-POS
- CareFirst Maryland Indemnity or PPO
- CIGNA HMO Open Access
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Geisinger Medicare Advantage
- Options PPO Cardiac Global
- Aetna Advantage 6350PD
- IH-Open POS II
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Cigna Preferred Medicare (HMO)
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Choice Care Network/HUMANA (PPO)
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Choice POS II
- CareFirst EPO
- IH-Open HMO Option
- Aetna Traditional Choice (PPO)
- United Healthcare Select HMO - EPO/NPP
- Choice Fund PPO
- Core Essential (HMO)
- HumanaChoice PPO
- Aetna Quality Point of Service (POS)
- Aetna Signature Administrator PPO/TPA
- IH-Open POS Plus
- CIGNA PPO
- Kaiser Permanente Signature
- Aetna Student Health Insurance
- HealthyBlue PPO
- Choice POS II Open Access
- Navigate
- Magellan Complete Care of VA - VA Medicaid MCO
- TriWest Healthcare Alliance
- Aetna VA Exchange
- Advantra Platinum (PPO)
- Healthy Blue (HMO, POS)
- United Healthcare Choice
- Aetna Classic 5000
- Beech Street PPO
- Kaiser Permanente Signature - Added Choice
- MedStar Family Choice - Maryland Health Choice
- M.D. IPA Preferred (POS)
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- AMERIVANTAGE/Amerigroup Community Care
- Anthem BCBS Medi Blue Plus
- MedStar Family Choice DC Healthcare Alliance
- Optimum Choice
- United Healthcare Community Plan - VA Medicaid MCO
- AmeriHealth Caritas DC Healthcare Alliance
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- AmeriHealth Caritas DC Healthy Families
- NYC Medicare Advantage Plus
- Aetna Open Choice (PPO)
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- CIGNA EPO
- Anthem Federal Employee Program Standard
- Cigna True Choice Plus Medicare (PPO)
- Coventry Health Care National Network PPO
- CareFirst Dual Prime HMO-SNP
- Select HMO/HealthFund/Health Network
- Optimum Choice Preferred (POS)
- Anthem BCBS of VA HealthKeepers (HMO)
- Health Services for Children with Special Needs
- Lasso Healthcare - Medicare Medical Savings Account
- Aetna Medicare Advantage PFFS Plan
- CareFirst BlueChoice HMO
- WellPoint Maryland - Maryland Health Choice
- TRICARE East Prime
- DC/MD SHOP QHP Small Business Plans
- CIGNA SureFit (HMO)
- Humana Gold Plus HMO
- Sentara Health
- IH-HMO
- Coventry Health Care of Virginia
- IH-Indemnity
- Humana Medicare Advantage - PPO
- IH-Open EPO Plus
- IH-PPO
- CIGNA HMO & Network (HMO)
- Private Health Care Systems (PPO)
- Medicare Advantage - Advantra Value (PPO)
- Kaiser Permanente Flexible Choice POS Cardiac Global
- IH-Open Network Only Plus
- IH-EPO Plus
- Humana Medicare Advantage - HMO Open Access
- Aetna Elect Choice/ Open Access (POS)
- TRICARE East Select
- IH-Network Only Plus
- CIGNA Indemnity
- Kaiser Permanente Medicare Advantage Signature and Select
- Kaiser Permanente Select Cardiac Global
- CareFirst FEP Blue Focus
- MedStar Family Choice DC Healthy Families
- Aetna Managed Choice Open Access (POS)
- Uniformed Services Family Health Plan
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- IH-POS Plus
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Great-West Healthcare POS/CIGNA
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Jai Medical Systems - Maryland Health Choice
- Kaiser Maryland Medicaid MCO
- CareFirst Blue Preferred PPO
- Tricare Reserve Select
- TRICARE for Life East
- Kaiser Permanente Select
- Aetna Classic 5000PD
Videos
Education
Fellowship: Georgetown University School of Medicine GME (1994)
Residency: Georgetown University School of Medicine GME (1991)
Medical School: Texas Tech University Health Science Center (1988)
Awards
- Washingtonian Top Doc 2025