Mariastella Serrano, MD| Clinical Nutrition, Pediatric Hepatology | MedStar Health
About me
Dr. Serrano completed her Pediatrics residency and Pediatric Gastroenterology, Hepatology and Nutrition fellowship in New Orleans - Louisiana State University and Tulane University. She is the Division Chief for Pediatric Gastroenterology, Hepatology and Nutrition at MedStar Georgetown University Hospital and is an associate professor in Pediatrics at Georgetown University. Dr. Serrano has a special interest in nutritional support and inflammatory bowel disease. Dr. Serrano is a member of the Crohn's and Colitis Foundation and is co-chair for its Pediatric Affairs Committee. She is also a member of the Pan American Crohn's and Colitis Organization (PANCCO) and is the director for the pediatric task force of PANCCO which strives to enhance education on Crohn's disease and ulcerative colitis for professionals, patients and their families in Latin America. She is board certified both in Pediatrics and Pediatric Gastroenterology.
Clinical areas of focus
- Colon Polyps
- Crohn's Disease
- Polycystic Liver Disease
- Ulcerative Colitis
Conditions and procedures
Conditions I treat
- Abdominal Cramping
- Abdominal Distension
- Abdominal Pain
- Abnormal Stool
- Achalasia
- Acute Cholecystitis
- Acute Pancreatitis
- Alimentary Tract Foreign Body
- Altered Bowel Habits
- Anal Abscess
- Anal Fissures
- Anal Venous Thrombosis
- Anus And Rectum Diseases
- Aphagia And Dysphagia
- Ascites
- Barrett's Esophagus
- Benign Neoplasm Of Colon, Rectum, Anus And Anal Canal
- Benign Neoplasm Of Digestive System
- Benign Tumor
- Bile Duct Stones
- Biliary Tract Disease
- Biliary Tract Obstruction
- Blood In Stool
- Bowel Obstruction
- Celiac Disease
- Choledocholithiasis
- Chronic Constipation
- Chronic Diarrhea
- Colic In Infants
- Colitis
- Colon Disease
- Colon Polyps
- Congenital Malformations Of Digestive System
- Congenital Malformations Of Esophagus
- Congenital Malformations Of Gallbladder, Bile Ducts And Liver
- Congenital Malformations Of Intestine
- Crohn's Disease
- Crohn's Disease [Regional Enteritis]
- Diaphragmatic Hernia
- Digestive System Complications
- Digestive System Diseases
- Digestive System Symptoms
- Diseases Of Esophagus
- Diseases Of Stomach And Duodenum
- Duodenal Ulcer
- Duodenitis
- Dysphagia
- Epigastric Pain
- Esophageal Hernia
- Esophageal Stricture
- Esophagitis
- Flatulence
- Functional Dyspepsia
- Functional Intestinal Disorders
- Gallbladder Disease
- Gallstones
- Gas And Bloating
- Gastric Varices
- Gastritis
- Gastroesophageal Reflux Disease (GERD) In Children
- Gastrointestinal Bleeding
- Gastrointestinal Bleeding And Rectal Bleeding
- H. Pylori Infection
- Helicobacter Pylori
- Hemorrhoids
- Hemorrhoids And Perianal Venous Thrombosis
- Hepatitis C
- Hepatomegaly
- Hepatomegaly And Splenomegaly
- Inflammatory Bowel Disease (IBD) With Infection
- Intestinal Infections
- Intestinal Stenosis
- Irritable Bowel Syndrome
- Jaundice
- Liver Cirrhosis
- Malabsorption
- Melena
- Nausea
- Noninfective Gastroenteritis
- Pancreatic Diseases
- Pancreatitis
- Paralytic Ileus And Intestinal Obstruction
- Peptic Ulcer Disease
- Perianal Fistula
- Perianal Itching
- Perianal Pain
- Polycystic Liver Disease
- Portal Hypertension
- Postoperative Ileus
- Postprandial Diarrhea
- Primary Sclerosing Cholangitis
- Proctitis
- Rectal Pain
- Regional Enteritis
- Stomach Cramps
- Stomach Ulcers
- Swallowing Disorders
- Throat Pain
- Ulcerative Colitis
- Viral Hepatitis
- Vomiting
- Vomiting And Nausea
Procedures I perform
- Bleeding Ulcer Treatment
- Capsule Endoscopy
- Celiac Disease Treatment
- Chronic Liver Disease Treatment
- Colonoscopy Through Stoma
- Colonoscopy With Biopsy
- Colonoscopy With Injection
- Diarrhea Treatment
- Dilation Of Esophagus
- Endoscopic Argon Plasma Coagulation
- Endoscopic Stomach Feeding Device Insertion
- Endoscopic Stricture Dilation
- Esophageal Dilation
- Esophageal PH Monitoring
- Esophagogastroduodenoscopy With Biopsy
- Failure To Thrive Treatment
- Flexible Colonoscopy With Biopsy
- Gastroesophageal Reflux Disease
- Gastrointestinal Biopsy
- Gastrointestinal Foreign Body Removal
- Gastrointestinal Functional Disorder Treatment
- Gastrointestinal Motility Study
- Gastrointestinal Tube Placement
- Gastrostomy
- H. Pylori Treatment
- Helicobacter Pylori Stool Test
- Hepatitis E Treatment
- Hydrogen Breath Test
- Inflammatory Bowel Disease
- Intestinal Biopsy
- Irritable Bowel Syndrome Treatment
- Lactose Breath Test
- Lactose Intolerance Testing
- Lower Gi Endoscopy
- Nausea And Vomiting Management
- Pancreatic Disease Management
- Pancreatitis Treatment
- PH Monitoring
- Pulsatile Tinnitus Treatment
- Rectal Biopsy
- Sigmoidoscopy With Biopsy
- Stomach Pain Treatment
- Swallowing Disorder Treatment
- Ulcerative Colitis-Associated Arthritis Treatment
- Upper Endoscopy
- Upper Esophagus Dilation, Endoscopic
- Upper Gi Endoscopy
- Variceal Band Ligation
- Vein Sclerotherapy
Practice locations
Distance from Change Location Enter your Location
4200 Wisconsin Ave NW
Ste 200
Washington, DC, 20016
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
- Optima Family Care MCO - VA Medicaid MCO
- Aetna VA Exchange
- IH-POS
- CareFirst Blue Preferred PPO
- Aetna Managed Choice Open Access (POS)
- Aetna Better Health of VA
- Beech Street PPO
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Police and Fire Clinic
- Kaiser Permanente Medicare Advantage Signature and Select
- Choice POS II
- Aetna Medicare Advantage HMO & PPO Plans
- TRICARE East Select
- IH-Network Only Plus
- CIGNA HMO & Network (HMO)
- Humana Medicare Advantage - HMO Open Access
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- IH-PPO
- Network OA
- AmeriHealth Caritas DC Healthcare Alliance
- Anthem BCBS Medi Blue Dual Adv
- Humana Gold Plus HMO
- Anthem Federal Employee Program Basic
- Aetna HMO
- CareFirst (NCA) Indemnity
- Medicare FFS
- Healthy Blue (HMO, POS)
- Kaiser Permanente Select - Added Choice
- Maryland Physicians Care MCO
- OCI Direct (HMO)
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- UnitedHealthcare Individual Exchange Plans
- TriWest Healthcare Alliance
- HumanaChoice PPO
- M.D. IPA (HMO)
- MedStar Family Choice DC Healthcare Alliance
- Aetna Worker's Compensation Network
- AmeriHealth Caritas DC Healthy Families
- IH-Open Network Only Plus
- MedStar Family Choice - Maryland Health Choice
- Johns Hopkins Advantage MD PLUS PPO
- MedStar Family Choice DC Healthy Families
- Private Fee-for-Service Plans (PFFS)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Cigna TotalCare (HMO D-SNP)
- Anthem BCBS of VA HealthKeepers Plus
- MultiPlan, Inc
- United Healthcare Select Plus (POS)
- DC/MD SHOP QHP Small Business Plans
- Medicare Advantage - Advantra Value (PPO)
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Kaiser Permanente Medicare Plus
- CareFirst NASCO
- POS OA
- HealthyBlue PPO
- Kaiser Permanente Select
- Aetna Signature Administrator PPO/TPA
- Health Services for Children with Special Needs
- Amerigroup DC Alliance
- CareFirst Community Health Plan of MD
- United Healthcare Community Plan - VA Medicaid MCO
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Select HMO/HealthFund/Health Network
- Anthem BCBS Medi Blue SNP
- CIGNA EPO
- Private Health Care Systems (PPO)
- United HealthCare Community Plan - Maryland Health Choice Program
- NYC Medicare Advantage Plus
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- United Healthcare Choice Plus Cardiac Global
- UHC Passport
- Coventry Health Care National Network PPO
- Aetna Advantage 6350
- Mamsi Life & Health (Indem./PPO)
- IH-POS Plus
- CareFirst Group Medicare Advantage
- Great-West Healthcare POS/CIGNA
- Aetna Traditional Choice (PPO)
- Amerigroup DC Healthy Families
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Aetna Advantage 5750
- Aetna Advantage 6350PD
- Cigna True Choice Plus Medicare (PPO)
- Coventry Health Care of Virginia
- CIGNA HMO Open Access
- Aetna Classic 3500
- Aetna Medicare Advantage PFFS Plan
- Aetna Basic
- Coventry of Delaware HMO/PPO
- United Healthcare Choice Cardiac Global
- Choice POS II Open Access
- UnitedHealthcare and AARP Medicare Complete Plans
- IH-Open HMO
- CareFirst BlueChoice HMO
- Medicare Direct
- Kaiser Permanente Select Cardiac Global
- IH-Open POS Plus
- CIGNA PPO
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Jai Medical Systems - Maryland Health Choice
- Kaiser Permanente Signature - Added Choice
- M.D. IPA Preferred (POS)
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- CareFirst FEP Blue Focus
- Geisinger Medicare Advantage
- Blue Choice Advantage
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- OA Plus
- TRICARE for Life East
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Lasso Healthcare - Medicare Medical Savings Account
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Cigna Alliance Medicare (HMO)
- Anthem BCBS Medi Blue Plus
- HumanaChoice Honor's plan PPO
- Options PPO Cardiac Global
- IH-HMO
- AMERIVANTAGE/Amerigroup Community Care
- Employee Health Plan
- HighMark
- United Healthcare Select HMO - EPO/NPP
- Aetna Classic 5000PD
- CareFirst MedStar PPO
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Humana Medicare Advantage - PPO
- WellPoint Maryland - Maryland Health Choice
- Aetna Classic 5000
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Alterwood Advanatge HMO & DSNP Plans
- IH-Open HMO Option
- CIGNA POS/Network POS
- TRICARE East Prime
- Johns Hopkins Advantage MD HMO
- CareFirst Blue Card Program
- BlueChoice Open Access
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Aetna Elect Choice/ Open Access (POS)
- Choice POS
- United Healthcare Choice
- Optimum Choice
- Kaiser Maryland Medicaid MCO
- Navigate
- Optimum Choice Preferred (POS)
- Kaiser Permanente Signature
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- CIGNA PPO Plus
- Choice Fund PPO
- First Health PPO
- CareFirst Dual Prime HMO-SNP
- Core Essential (HMO)
- CareFirst Federal Employee Program (Std. & Basic PPO)
- CIGNA SureFit (HMO)
- Priority Partners - Maryland Health Choice
- IH-Open POS II
- Aetna Better Health of MD
- Kaiser Permanente Flexible Choice 3-tier POS
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Cigna Achieve Medicare (HMO C-SNP)
- Uniformed Services Family Health Plan
- Aetna Premier 200PD
- Aetna Student Health Insurance
- Johns Hopkins Advantage MD PPO
- CareFirst MedStar Select PPO
- Aetna Open Choice (PPO)
- Cigna True Choice Medicare (PPO)
- Veterans Affairs Community Care Network
- CareFirst EPO
- IH-EPO Plus
- IH-Indemnity
- Anthem Federal Employee Program Standard
- Choice Care Network/HUMANA (PPO)
- CIGNA Indemnity
- Aetna Quality Point of Service (POS)
- Anthem BCBS of VA HealthKeepers (HMO)
- CareFirst Administrators
- Cigna Preferred Medicare (HMO)
- United Healthcare Options (PPO)
- United Healthcare Navigate Cardiac Global
- United Medicare Private Fee-for-Service (PFFS) plans
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Aetna Managed Choice (POS)
- CIGNA Connect EPO
- United Healthcare Choice Plus
- First Health PPO
- United Student Resources
- CareFirst Maryland Point of Service Plan
- Tricare Reserve Select
- Advantra Platinum (PPO)
- CareFirst Maryland Indemnity or PPO
- Erickson Advantage Plans
- Sentara Health
- CareFirst Blue Choice Opt Out Open Access
- IH-Open EPO Plus
- Magellan Complete Care of VA - VA Medicaid MCO
Education
Board Certification: American Board of Pediatrics, Pediatric Gastroenterology
Board Certification: American Board of Pediatrics, General Pediatrics
Fellowship: Louisiana State University Medical Center-Shreveport (2004)
Medical School: Universidad De Norte-Programa De Medicina (1992)