Mariastella Serrano, MD| Pediatric Gastroenterology, Pediatrics | 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
- Polycystic Liver Disease
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
- Geisinger Medicare Advantage
- Humana Medicare Advantage - PPO
- MultiPlan, Inc
- Great-West Healthcare POS/CIGNA
- AmeriHealth Caritas DC Healthy Families
- HumanaChoice Honor's plan PPO
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Optimum Choice
- CareFirst (NCA) Indemnity
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- CareFirst Group Medicare Advantage
- Select HMO/HealthFund/Health Network
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Johns Hopkins Advantage MD PPO
- First Health PPO
- M.D. IPA (HMO)
- CareFirst MedStar PPO
- HighMark
- Kaiser Permanente Signature - Added Choice
- Private Fee-for-Service Plans (PFFS)
- Navigate
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Cigna TotalCare (HMO D-SNP)
- Anthem BCBS Medi Blue Dual Adv
- Kaiser Permanente Flexible Choice POS Cardiac Global
- IH-Open Network Only Plus
- Aetna Open Choice (PPO)
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Magellan Complete Care of VA - VA Medicaid MCO
- CIGNA Connect EPO
- Aetna Elect Choice/ Open Access (POS)
- United Healthcare Community Plan - VA Medicaid MCO
- CareFirst Blue Preferred PPO
- Aetna Better Health of MD
- IH-Open POS Plus
- AmeriHealth Caritas DC Healthcare Alliance
- Medicare FFS
- Kaiser Maryland Medicaid MCO
- Aetna Medicare Advantage PFFS Plan
- Aetna HMO
- CareFirst MedStar Select PPO
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Mamsi Life & Health (Indem./PPO)
- Kaiser Permanente Select
- CIGNA PPO
- CareFirst Blue Card Program
- Erickson Advantage Plans
- IH-Open HMO
- MedStar Family Choice DC Healthcare Alliance
- Kaiser Permanente Medicare Plus
- Core Essential (HMO)
- CareFirst NASCO
- HealthyBlue PPO
- M.D. IPA Preferred (POS)
- POS OA
- Medicare Direct
- United Healthcare Options (PPO)
- IH-POS
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Cigna True Choice Plus Medicare (PPO)
- United Healthcare Choice Cardiac Global
- UnitedHealthcare Individual Exchange Plans
- Maryland Physicians Care MCO
- CareFirst BlueChoice HMO
- Network OA
- IH-PPO
- Aetna Quality Point of Service (POS)
- First Health PPO
- IH-Indemnity
- Aetna Worker's Compensation Network
- United Healthcare Navigate Cardiac Global
- MedStar Family Choice - Maryland Health Choice
- IH-POS Plus
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Kaiser Permanente Medicare Advantage Signature and Select
- CareFirst Dual Prime HMO-SNP
- IH-Open EPO Plus
- Aetna Premier 200PD
- Kaiser Permanente Select Cardiac Global
- Choice POS
- TRICARE East Select
- Advantra Platinum (PPO)
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Options PPO Cardiac Global
- Aetna Advantage 5750
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- HumanaChoice PPO
- Kaiser Permanente Flexible Choice 3-tier POS
- Cigna Alliance Medicare (HMO)
- OA Plus
- Anthem Federal Employee Program Basic
- Aetna Traditional Choice (PPO)
- IH-Network Only Plus
- CIGNA PPO Plus
- Healthy Blue (HMO, POS)
- Blue Choice Advantage
- Private Health Care Systems (PPO)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Employee Health Plan
- Aetna Classic 5000PD
- UHC Passport
- IH-HMO
- UnitedHealthcare Medicare Adv. Special Needs Plans
- MedStar Family Choice DC Healthy Families
- Choice Fund PPO
- Aetna Better Health of VA
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Cigna Achieve Medicare (HMO C-SNP)
- Aetna Managed Choice Open Access (POS)
- AMERIVANTAGE/Amerigroup Community Care
- Aetna Classic 5000
- Optima Family Care MCO - VA Medicaid MCO
- Humana Medicare Advantage - HMO Open Access
- United Healthcare Select Plus (POS)
- Aetna Student Health Insurance
- Jai Medical Systems - Maryland Health Choice
- Aetna Advantage 6350
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Alterwood Advanatge HMO & DSNP Plans
- OCI Direct (HMO)
- United Student Resources
- Cigna True Choice Medicare (PPO)
- CIGNA POS/Network POS
- Anthem Federal Employee Program Standard
- CIGNA HMO & Network (HMO)
- Choice Care Network/HUMANA (PPO)
- Aetna Advantage 6350PD
- Aetna Managed Choice (POS)
- CareFirst Administrators
- CareFirst Blue Choice Opt Out Open Access
- Priority Partners - Maryland Health Choice
- Aetna Basic
- TriWest Healthcare Alliance
- DC/MD SHOP QHP Small Business Plans
- CIGNA SureFit (HMO)
- Anthem BCBS of VA HealthKeepers Plus
- Coventry of Delaware HMO/PPO
- WellPoint Maryland - Maryland Health Choice
- Coventry Health Care National Network PPO
- Amerigroup DC Healthy Families
- Johns Hopkins Advantage MD HMO
- United Healthcare Choice Plus
- CareFirst Community Health Plan of MD
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Beech Street PPO
- Anthem BCBS Medi Blue Plus
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Johns Hopkins Advantage MD PLUS PPO
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- CIGNA EPO
- Anthem BCBS of VA HealthKeepers (HMO)
- Aetna Classic 3500
- Kaiser Permanente Select - Added Choice
- Uniformed Services Family Health Plan
- Humana Gold Plus HMO
- CIGNA Indemnity
- Choice POS II
- Aetna Medicare Advantage HMO & PPO Plans
- CIGNA HMO Open Access
- Choice POS II Open Access
- Police and Fire Clinic
- Sentara Health
- Cigna Preferred Medicare (HMO)
- CareFirst EPO
- United Medicare Private Fee-for-Service (PFFS) plans
- BlueChoice Open Access
- United Healthcare Choice
- Medicare Advantage - Advantra Value (PPO)
- United Healthcare Select HMO - EPO/NPP
- IH-EPO Plus
- NYC Medicare Advantage Plus
- Veterans Affairs Community Care Network
- CareFirst Maryland Indemnity or PPO
- Amerigroup DC Alliance
- UnitedHealthcare and AARP Medicare Complete Plans
- United Healthcare Choice Plus Cardiac Global
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Kaiser Permanente Signature
- TRICARE for Life East
- Anthem BCBS Medi Blue SNP
- Optimum Choice Preferred (POS)
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Lasso Healthcare - Medicare Medical Savings Account
- Aetna Signature Administrator PPO/TPA
- IH-Open POS II
- CareFirst FEP Blue Focus
- CareFirst Maryland Point of Service Plan
- Tricare Reserve Select
- Coventry Health Care of Virginia
- TRICARE East Prime
- CareFirst Federal Employee Program (Std. & Basic PPO)
- IH-Open HMO Option
- United HealthCare Community Plan - Maryland Health Choice Program
- Health Services for Children with Special Needs
- Aetna VA Exchange
Education
Board Certification: American Board of Pediatrics, Pediatrics
Fellowship: Louisiana State University Medical Center-Shreveport (2004)
Medical School: Universidad De Norte-Programa De Medicina (1992)