Katherine Murphy, MBBCH MD| Gastroenterology | MedStar Health
About me
Dr. Murphy is a board-certified, fellowship-trained gastroenterologist who treats patients with the full range of gastrointestinal conditions, including colon cancer screening, gastroesophageal reflux disease (GERD), dysphagia (difficulty swallowing), constipation, and diarrhea.
She is a member of the American College of Physicians, American Gastroenterology Association, American College of Gastroenterology, and American Society of Gastrointestinal Endoscopy.
Dr. Murphy earned her medical degree from the Royal College of Surgeons in Ireland and completed her residency at Pennsylvania Hospital, University of Pennsylvania Health System in Philadelphia. She also completed a fellowship in gastroenterology at MedStar Georgetown University Hospital, Washington, D.C.
Her philosophy of care is focused on using evidence-based medicine to develop thoughtful, compassionate, individualized treatment for every patient.
When she’s not working, Dr. Murphy enjoys travelling and spending time with her family, friends, and dog.
Clinical areas of focus
- Abdominal Pain
- Digestive System Symptoms
- Gallstones
- Gastritis
- Hemorrhoids
Conditions and procedures
Conditions I treat
- Abdominal Pain
- Abnormal Stool
- Achalasia
- Acute Pancreatitis
- Alimentary Tract Foreign Body
- Anus And Rectum Diseases
- Aphagia And Dysphagia
- Barrett's Esophagus
- Benign Neoplasm Of Colon, Rectum, Anus And Anal Canal
- Benign Neoplasm Of Digestive System
- Bile Duct Stones
- Blood In Stool
- Bowel Obstruction
- Chronic Constipation
- Chronic Diarrhea
- Colitis
- Colon Cancer
- Colon Polyps
- Congenital Malformations Of Digestive System
- 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
- Diverticulitis
- Duodenal Ulcer
- Duodenitis
- Dysphagia
- Epigastric Pain
- Esophageal Cancer
- Esophageal Stricture
- Esophagitis
- Flatulence
- Functional Dyspepsia
- Functional Intestinal Disorders
- Gallbladder Disease
- Gallstones
- Gastric Cancer
- Gastritis
- Gastrointestinal Bleeding
- Helicobacter Pylori
- Hemorrhoids
- Hepatitis C
- Hepatomegaly
- Hepatomegaly And Splenomegaly
- Jaundice
- Liver Cirrhosis
- Liver Failure
- Liver Fibrosis
- Malabsorption
- Melena
- Nausea
- Noninfective Gastroenteritis
- Pancreatitis
- Paralytic Ileus And Intestinal Obstruction
- Peptic Ulcer Disease
- Perianal Fistula
- Portal Hypertension
- Postprandial Diarrhea
- Primary Sclerosing Cholangitis
- Proctitis
- Rectal Cancer
- Rectal Pain
- Regional Enteritis
- Small Intestine Cancer
- Stomach Cancer
- Stomach Cramps
- Stomach Ulcers
- Ulcerative Colitis
- Viral Hepatitis
- Vomiting
Procedures I perform
- Capsule Endoscopy
- Celiac Disease Treatment
- Colonoscopy Through Stoma
- Colonoscopy With Biopsy
- Diarrhea Treatment
- Dilation Of Esophagus
- Endoscopic Mucosal Resection
- Endoscopic Retrograde Cholangiopancreatography
- Endoscopic Retrograde Cholangiopancreatography (ERCP)
- Endoscopic Submucosal Dissection
- Enteroscopy
- Esophageal Dilation
- Esophageal PH Monitoring
- Esophagogastroduodenoscopy With Biopsy
- Fecal Microbiota Transplant
- Fecal Transplant
- Flexible Colonoscopy With Biopsy
- Gastrointestinal Biopsy
- Gastrointestinal Foreign Body Removal
- Gastrointestinal Motility Study
- Gastrostomy
- Hydrogen Breath Test
- Intestinal Biopsy
- Irritable Bowel Syndrome Treatment
- Lactose Breath Test
- Lactose Intolerance Testing
- Lower Gi Endoscopy
- Pancreatitis Treatment
- PH Monitoring
- Radiofrequency Ablation
- Rectal Biopsy
- Retrograde Cholangiopancreatography
- Sigmoidoscopy With Biopsy
- Stomach Pain Treatment
- Swallowing Disorder Treatment
- Upper Endoscopy
- Upper Gi Endoscopy
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
- DC/MD SHOP QHP Small Business Plans
- CareFirst MedStar Select PPO
- Cigna Achieve Medicare (HMO C-SNP)
- Aetna HMO
- CIGNA PPO
- Aetna Open Choice (PPO)
- Kaiser Permanente Signature - Added Choice
- IH-EPO Plus
- Medicare Advantage - Advantra Value (PPO)
- First Health PPO
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Choice POS
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- United Healthcare Select Plus (POS)
- Anthem BCBS Medi Blue SNP
- CIGNA HMO Open Access
- Great-West Healthcare POS/CIGNA
- Aetna Basic
- Options PPO Cardiac Global
- CareFirst Blue Preferred PPO
- Aetna Better Health of MD
- Aetna Medicare Advantage HMO & PPO Plans
- CIGNA SureFit (HMO)
- WellPoint Maryland - Maryland Health Choice
- United Healthcare Choice Cardiac Global
- Amerigroup DC Healthy Families
- OA Plus
- Cigna TotalCare (HMO D-SNP)
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Aetna Managed Choice Open Access (POS)
- Anthem BCBS of VA HealthKeepers Plus
- Kaiser Permanente Signature
- Aetna Student Health Insurance
- CareFirst Community Health Plan of MD
- Uniformed Services Family Health Plan
- Magellan Complete Care of VA - VA Medicaid MCO
- CIGNA EPO
- Choice POS II
- Police and Fire Clinic
- CIGNA POS/Network POS
- Navigate
- TRICARE for Life East
- United Healthcare Navigate Cardiac Global
- IH-Open HMO Option
- Cigna Alliance Medicare (HMO)
- Aetna Better Health of VA
- CareFirst Blue Choice Opt Out Open Access
- IH-HMO
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- TRICARE East Select
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- United Healthcare Options (PPO)
- Aetna Classic 5000
- IH-Open HMO
- Aetna Medicare Advantage PFFS Plan
- Coventry Health Care of Virginia
- UnitedHealthcare and AARP Medicare Complete Plans
- United Healthcare Choice Plus
- NYC Medicare Advantage Plus
- Aetna Premier 200PD
- UnitedHealthcare Individual Exchange Plans
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Anthem Federal Employee Program Basic
- CareFirst Dual Prime HMO-SNP
- Anthem Federal Employee Program Standard
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Johns Hopkins Advantage MD HMO
- MultiPlan, Inc
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Healthy Blue (HMO, POS)
- Mamsi Life & Health (Indem./PPO)
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Aetna Elect Choice/ Open Access (POS)
- Amerigroup DC Alliance
- Private Health Care Systems (PPO)
- Medicare Direct
- Coventry Health Care National Network PPO
- Choice POS II Open Access
- IH-POS
- CareFirst FEP Blue Focus
- First Health PPO
- Health Services for Children with Special Needs
- Kaiser Permanente Medicare Plus
- Choice Fund PPO
- IH-PPO
- Humana Medicare Advantage - PPO
- Johns Hopkins Advantage MD PPO
- Aetna Classic 5000PD
- Aetna Worker's Compensation Network
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Optimum Choice Preferred (POS)
- CareFirst Administrators
- HumanaChoice Honor's plan PPO
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Advantra Platinum (PPO)
- BlueChoice Open Access
- Employee Health Plan
- AmeriHealth Caritas DC Healthcare Alliance
- Aetna Signature Administrator PPO/TPA
- TRICARE East Prime
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Beech Street PPO
- CareFirst Maryland Indemnity or PPO
- POS OA
- Aetna Classic 3500
- Aetna Traditional Choice (PPO)
- CIGNA Connect EPO
- Jai Medical Systems - Maryland Health Choice
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Aetna Advantage 6350
- Priority Partners - Maryland Health Choice
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- United Healthcare Select HMO - EPO/NPP
- AMERIVANTAGE/Amerigroup Community Care
- United Medicare Private Fee-for-Service (PFFS) plans
- Maryland Physicians Care MCO
- M.D. IPA Preferred (POS)
- IH-POS Plus
- Private Fee-for-Service Plans (PFFS)
- United Healthcare Choice Plus Cardiac Global
- AmeriHealth Caritas DC Healthy Families
- Medicare FFS
- Select HMO/HealthFund/Health Network
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Aetna Quality Point of Service (POS)
- CareFirst Group Medicare Advantage
- Aetna Advantage 6350PD
- Coventry of Delaware HMO/PPO
- Choice Care Network/HUMANA (PPO)
- IH-Open Network Only Plus
- Blue Choice Advantage
- Kaiser Permanente Flexible Choice 3-tier POS
- Kaiser Permanente Select
- MedStar Family Choice DC Healthy Families
- CareFirst BlueChoice HMO
- Kaiser Maryland Medicaid MCO
- Johns Hopkins Advantage MD PLUS PPO
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Erickson Advantage Plans
- UHC Passport
- Anthem BCBS Medi Blue Plus
- Kaiser Permanente Select Cardiac Global
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- MedStar Family Choice - Maryland Health Choice
- Cigna Preferred Medicare (HMO)
- United Healthcare Community Plan - VA Medicaid MCO
- HealthyBlue PPO
- Anthem BCBS Medi Blue Dual Adv
- IH-Open EPO Plus
- IH-Open POS Plus
- IH-Network Only Plus
- CareFirst (NCA) Indemnity
- Core Essential (HMO)
- MedStar Family Choice DC Healthcare Alliance
- CIGNA PPO Plus
- Cigna True Choice Plus Medicare (PPO)
- Aetna Managed Choice (POS)
- Sentara Health
- HighMark
- Veterans Affairs Community Care Network
- United HealthCare Community Plan - Maryland Health Choice Program
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- CareFirst Blue Card Program
- CareFirst MedStar PPO
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Kaiser Permanente Medicare Advantage Signature and Select
- United Healthcare Choice
- OCI Direct (HMO)
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Geisinger Medicare Advantage
- CareFirst Maryland Point of Service Plan
- Anthem BCBS of VA HealthKeepers (HMO)
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Network OA
- IH-Open POS II
- CIGNA HMO & Network (HMO)
- Humana Medicare Advantage - HMO Open Access
- Alterwood Advanatge HMO & DSNP Plans
- Lasso Healthcare - Medicare Medical Savings Account
- Humana Gold Plus HMO
- Optima Family Care MCO - VA Medicaid MCO
- CIGNA Indemnity
- Cigna True Choice Medicare (PPO)
- United Student Resources
- Kaiser Permanente Select - Added Choice
- Optimum Choice
- Aetna Advantage 5750
- Aetna VA Exchange
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- CareFirst NASCO
- M.D. IPA (HMO)
- CareFirst EPO
- HumanaChoice PPO
- TriWest Healthcare Alliance
- Tricare Reserve Select
- IH-Indemnity
Education
Board Certification: American Board of Internal Medicine, Internal Medicine
Fellowship: Georgetown University School of Medicine GME (2025)
Residency: Pennsylvania Hospital (2022)
Medical School: Royal College of Physicians & Surgeons-Ireland (2019)