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