Mariastella Serrano, MD| Pediatric Gastroenterology, 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
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
- HumanaChoice PPO
- CIGNA Indemnity
- Coventry Health Care National Network PPO
- BlueChoice Open Access
- Blue Choice Advantage
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- CareFirst NASCO
- Kaiser Permanente Flexible Choice 3-tier POS
- Kaiser Permanente Signature - Added Choice
- MedStar Family Choice DC Healthy Families
- IH-Open POS II
- Humana Gold Plus HMO
- Maryland Physicians Care MCO
- Optimum Choice
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Select HMO/HealthFund/Health Network
- CIGNA PPO
- IH-Open HMO
- United Student Resources
- Medicare Advantage - Advantra Value (PPO)
- TRICARE East Prime
- Magellan Complete Care of VA - VA Medicaid MCO
- Aetna Signature Administrator PPO/TPA
- Tricare Reserve Select
- Cigna Alliance Medicare (HMO)
- MedStar Family Choice DC Healthcare Alliance
- CareFirst Blue Choice Opt Out Open Access
- WellPoint Maryland - Maryland Health Choice
- Sentara Health
- POS OA
- Humana Medicare Advantage - HMO Open Access
- CareFirst FEP Blue Focus
- Kaiser Permanente Signature
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Cigna TotalCare (HMO D-SNP)
- IH-Network Only Plus
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Medicare FFS
- Advantra Platinum (PPO)
- CIGNA POS/Network POS
- United Healthcare Choice
- United Healthcare Select Plus (POS)
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Healthy Blue (HMO, POS)
- United Healthcare Select HMO - EPO/NPP
- Mamsi Life & Health (Indem./PPO)
- Cigna True Choice Plus Medicare (PPO)
- UHC Passport
- IH-EPO Plus
- Anthem Federal Employee Program Standard
- M.D. IPA (HMO)
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Anthem BCBS Medi Blue Plus
- CareFirst Dual Prime HMO-SNP
- Anthem BCBS of VA HealthKeepers (HMO)
- CareFirst Blue Card Program
- Cigna Achieve Medicare (HMO C-SNP)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- NYC Medicare Advantage Plus
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Cigna Preferred Medicare (HMO)
- United Healthcare Choice Plus
- Private Fee-for-Service Plans (PFFS)
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Choice POS
- Great-West Healthcare POS/CIGNA
- Aetna Open Choice (PPO)
- TRICARE for Life East
- CIGNA HMO Open Access
- United HealthCare Community Plan - Maryland Health Choice Program
- Kaiser Permanente Medicare Plus
- Anthem BCBS Medi Blue SNP
- Aetna Managed Choice (POS)
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Navigate
- Aetna Worker's Compensation Network
- Alterwood Advanatge HMO & DSNP Plans
- HighMark
- Kaiser Permanente Flexible Choice POS Cardiac Global
- United Healthcare Choice Cardiac Global
- Aetna Premier 200PD
- Aetna Better Health of MD
- CareFirst MedStar PPO
- Aetna HMO
- CareFirst EPO
- Aetna Advantage 6350PD
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- TriWest Healthcare Alliance
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Optima Family Care MCO - VA Medicaid MCO
- Anthem Federal Employee Program Basic
- United Healthcare Community Plan - VA Medicaid MCO
- First Health PPO
- First Health PPO
- CareFirst Blue Preferred PPO
- IH-POS
- Choice POS II
- CIGNA PPO Plus
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- AMERIVANTAGE/Amerigroup Community Care
- MultiPlan, Inc
- Aetna Elect Choice/ Open Access (POS)
- IH-PPO
- IH-Indemnity
- Aetna Advantage 6350
- CareFirst MedStar Select PPO
- Coventry Health Care of Virginia
- Johns Hopkins Advantage MD PPO
- Core Essential (HMO)
- United Healthcare Options (PPO)
- Optimum Choice Preferred (POS)
- Cigna True Choice Medicare (PPO)
- OCI Direct (HMO)
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Aetna Traditional Choice (PPO)
- Aetna Medicare Advantage PFFS Plan
- Aetna Managed Choice Open Access (POS)
- Kaiser Permanente Select
- Options PPO Cardiac Global
- Erickson Advantage Plans
- Aetna Basic
- Medicare Direct
- Aetna VA Exchange
- AmeriHealth Caritas DC Healthcare Alliance
- Choice Care Network/HUMANA (PPO)
- United Healthcare Choice Plus Cardiac Global
- IH-HMO
- CIGNA EPO
- CareFirst (NCA) Indemnity
- CareFirst Group Medicare Advantage
- OA Plus
- Beech Street PPO
- CareFirst Maryland Indemnity or PPO
- CareFirst Maryland Point of Service Plan
- CareFirst BlueChoice HMO
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Police and Fire Clinic
- IH-Open EPO Plus
- Priority Partners - Maryland Health Choice
- MedStar Family Choice - Maryland Health Choice
- Kaiser Maryland Medicaid MCO
- IH-Open HMO Option
- Network OA
- Private Health Care Systems (PPO)
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- IH-Open Network Only Plus
- Health Services for Children with Special Needs
- UnitedHealthcare and AARP Medicare Complete Plans
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Uniformed Services Family Health Plan
- IH-Open POS Plus
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Humana Medicare Advantage - PPO
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- United Healthcare Navigate Cardiac Global
- Aetna Advantage 5750
- Kaiser Permanente Select - Added Choice
- Anthem BCBS of VA HealthKeepers Plus
- DC/MD SHOP QHP Small Business Plans
- Johns Hopkins Advantage MD HMO
- Aetna Student Health Insurance
- CIGNA HMO & Network (HMO)
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Geisinger Medicare Advantage
- TRICARE East Select
- IH-POS Plus
- Choice POS II Open Access
- Aetna Classic 3500
- Employee Health Plan
- UnitedHealthcare Individual Exchange Plans
- Aetna Quality Point of Service (POS)
- Aetna Medicare Advantage HMO & PPO Plans
- HealthyBlue PPO
- Coventry of Delaware HMO/PPO
- M.D. IPA Preferred (POS)
- United Medicare Private Fee-for-Service (PFFS) plans
- Kaiser Permanente Select Cardiac Global
- Amerigroup DC Alliance
- CIGNA Connect EPO
- Choice Fund PPO
- Amerigroup DC Healthy Families
- CareFirst Community Health Plan of MD
- CIGNA SureFit (HMO)
- Lasso Healthcare - Medicare Medical Savings Account
- HumanaChoice Honor's plan PPO
- Veterans Affairs Community Care Network
- Aetna Classic 5000
- Aetna Classic 5000PD
- CareFirst Administrators
- Jai Medical Systems - Maryland Health Choice
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Kaiser Permanente Medicare Advantage Signature and Select
- Aetna Better Health of VA
- Anthem BCBS Medi Blue Dual Adv
- AmeriHealth Caritas DC Healthy Families
- Johns Hopkins Advantage MD PLUS PPO
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)