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
- Ascites
- 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
- Candidiasis
- Chronic Constipation
- Chronic Diarrhea
- Colitis
- Colon Cancer
- Colon Polyps
- Congenital Malformations Of Digestive System
- Congenital Malformations Of Esophagus
- Congenital Malformations Of Gallbladder, Bile Ducts And Liver
- Congenital Malformations Of Intestine
- Congenital Malformations Of Peripheral Vascular 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
- Family History Of Malignant Neoplasm
- Family History Of Specific Disorders
- Flatulence
- Functional Dyspepsia
- Functional Intestinal Disorders
- Gallbladder Disease
- Gallstones
- Gastric Cancer
- Gastritis
- Gastrointestinal Bleeding
- General Symptoms
- Genetic Susceptibility To Disease
- Helicobacter Pylori
- Hemorrhoids
- Hemorrhoids And Perianal Venous Thrombosis
- Hepatitis C
- Hepatomegaly
- Hepatomegaly And Splenomegaly
- Jaundice
- Liver Cancer
- Liver Cirrhosis
- Liver Failure
- Liver Fibrosis
- Malabsorption
- Melena
- Nausea
- Noninfective Gastroenteritis
- Pancreatitis
- Paralytic Ileus And Intestinal Obstruction
- Peptic Ulcer Disease
- Perianal Fistula
- Personal History Of Diseases And Conditions
- 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
- Vascular Disorders Of Intestine
- Viral Hepatitis
- Vomiting
Procedures I perform
- Abdominal Ultrasound
- Capsule Endoscopy
- Celiac Disease Treatment
- Celiac Plexus Block
- 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
- Esophagectomy
- Esophagogastroduodenoscopy With Biopsy
- Fecal Microbiota Transplant
- Fecal Transplant
- Flexible Colonoscopy With Biopsy
- Gastrointestinal Biopsy
- Gastrointestinal Cancer Treatment
- 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
- Rectal Excision
- Retrograde Cholangiopancreatography
- Sigmoidoscopy With Biopsy
- Stomach Cancer Treatment
- 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
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Amerigroup DC Healthy Families
- HealthyBlue PPO
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Tricare Reserve Select
- CareFirst Blue Preferred PPO
- Cigna True Choice Plus Medicare (PPO)
- Magellan Complete Care of VA - VA Medicaid MCO
- Kaiser Permanente Signature
- Aetna VA Exchange
- Johns Hopkins Advantage MD PPO
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- CIGNA Indemnity
- CareFirst Community Health Plan of MD
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Kaiser Permanente Signature - Added Choice
- CIGNA POS/Network POS
- IH-Open HMO Option
- IH-PPO
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- CIGNA HMO & Network (HMO)
- Maryland Physicians Care MCO
- United Healthcare Choice Cardiac Global
- UnitedHealthcare and AARP Medicare Complete Plans
- United Medicare Private Fee-for-Service (PFFS) plans
- Private Health Care Systems (PPO)
- UnitedHealthcare Individual Exchange Plans
- Options PPO Cardiac Global
- Veterans Affairs Community Care Network
- United Healthcare Select Plus (POS)
- Choice POS
- CIGNA Connect EPO
- First Health PPO
- Aetna Quality Point of Service (POS)
- CareFirst Administrators
- Great-West Healthcare POS/CIGNA
- Aetna Traditional Choice (PPO)
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Select HMO/HealthFund/Health Network
- Johns Hopkins Advantage MD PLUS PPO
- Choice POS II
- Aetna Student Health Insurance
- Aetna Worker's Compensation Network
- Cigna Preferred Medicare (HMO)
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- HighMark
- Navigate
- MedStar Family Choice DC Healthcare Alliance
- United Healthcare Choice
- Optimum Choice
- IH-Indemnity
- Sentara Health
- Jai Medical Systems - Maryland Health Choice
- CareFirst NASCO
- Aetna Advantage 5750
- Aetna Advantage 6350PD
- Anthem Federal Employee Program Standard
- Humana Gold Plus HMO
- CareFirst FEP Blue Focus
- Priority Partners - Maryland Health Choice
- IH-POS
- Blue Choice Advantage
- Aetna Basic
- Aetna Elect Choice/ Open Access (POS)
- CareFirst (NCA) Indemnity
- Aetna Advantage 6350
- Aetna Classic 5000PD
- Aetna Open Choice (PPO)
- M.D. IPA (HMO)
- United HealthCare Community Plan - Maryland Health Choice Program
- United Healthcare Options (PPO)
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- CareFirst BlueChoice HMO
- Humana Medicare Advantage - HMO Open Access
- HumanaChoice Honor's plan PPO
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Kaiser Permanente Medicare Advantage Signature and Select
- Kaiser Maryland Medicaid MCO
- Alterwood Advanatge HMO & DSNP Plans
- First Health PPO
- TRICARE East Select
- CareFirst EPO
- CIGNA PPO
- Kaiser Permanente Select
- Aetna Premier 200PD
- Johns Hopkins Advantage MD HMO
- Aetna Managed Choice (POS)
- CIGNA EPO
- Anthem BCBS Medi Blue SNP
- Beech Street PPO
- Coventry of Delaware HMO/PPO
- Erickson Advantage Plans
- OCI Direct (HMO)
- UnitedHealthcare Individual Exchange Plans
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Kaiser Permanente Select Cardiac Global
- Mamsi Life & Health (Indem./PPO)
- Private Fee-for-Service Plans (PFFS)
- Medicare Direct
- MultiPlan, Inc
- Aetna Classic 3500
- Health Services for Children with Special Needs
- TRICARE for Life East
- Aetna Medicare Advantage HMO & PPO Plans
- IH-Open HMO
- Choice Care Network/HUMANA (PPO)
- Network OA
- IH-Network Only Plus
- HumanaChoice PPO
- Kaiser Permanente Select - Added Choice
- Aetna Classic 5000
- Anthem BCBS of VA HealthKeepers (HMO)
- Coventry Health Care of Virginia
- Anthem BCBS Medi Blue Dual Adv
- Kaiser Permanente Medicare Plus
- Anthem Federal Employee Program Basic
- CareFirst Group Medicare Advantage
- Medicare Advantage - Advantra Value (PPO)
- Anthem BCBS of VA HealthKeepers Plus
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Mamsi Life & Health (Indem./PPO)
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- United Healthcare Choice Plus Cardiac Global
- Employee Health Plan
- Advantra Platinum (PPO)
- CareFirst MedStar Select PPO
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- OA Plus
- IH-EPO Plus
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- CIGNA PPO Plus
- TRICARE East Prime
- Cigna TotalCare (HMO D-SNP)
- Aetna Better Health of VA
- Choice POS II Open Access
- Amerigroup DC Alliance
- Anthem BCBS Medi Blue Plus
- CareFirst Blue Card Program
- CareFirst Maryland Indemnity or PPO
- IH-POS Plus
- CIGNA SureFit (HMO)
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- MedStar Family Choice - Maryland Health Choice
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Lasso Healthcare - Medicare Medical Savings Account
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Optimum Choice Preferred (POS)
- United Student Resources
- WellPoint Maryland - Maryland Health Choice
- M.D. IPA Preferred (POS)
- Geisinger Medicare Advantage
- Humana Medicare Advantage - PPO
- Aetna Medicare Advantage PFFS Plan
- IH-HMO
- Coventry Health Care National Network PPO
- Choice Fund PPO
- CareFirst Dual Prime HMO-SNP
- Uniformed Services Family Health Plan
- CIGNA HMO Open Access
- Aetna Signature Administrator PPO/TPA
- Kaiser Permanente Flexible Choice 3-tier POS
- IH-Open POS Plus
- POS OA
- Aetna Better Health of MD
- CareFirst MedStar PPO
- DC/MD SHOP QHP Small Business Plans
- AmeriHealth Caritas DC Healthcare Alliance
- Aetna HMO
- MedStar Family Choice DC Healthy Families
- MedStar Family Choice DC Healthcare Alliance
- UHC Passport
- Core Essential (HMO)
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- CareFirst Maryland Point of Service Plan
- Optima Family Care MCO - VA Medicaid MCO
- Aetna Managed Choice Open Access (POS)
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Healthy Blue (HMO, POS)
- BlueChoice Open Access
- Cigna True Choice Medicare (PPO)
- AmeriHealth Caritas DC Healthy Families
- Cigna Alliance Medicare (HMO)
- IH-Open Network Only Plus
- Cigna Achieve Medicare (HMO C-SNP)
- IH-Open EPO Plus
- IH-Open POS II
- CareFirst Blue Choice Opt Out Open Access
- AMERIVANTAGE/Amerigroup Community Care
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- United Healthcare Navigate Cardiac Global
- United Healthcare Choice Plus
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Police and Fire Clinic
- United Healthcare Select HMO - EPO/NPP
- TriWest Healthcare Alliance
- NYC Medicare Advantage Plus
- United Healthcare Community Plan - VA Medicaid MCO
- MedStar Family Choice - Maryland Health Choice
- Medicare FFS
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)