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
- Chronic Constipation
- Colon Cancer
- Colon Polyps
- Digestive System Diseases
- Dysphagia
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
- Blood In Stool
- Bowel Obstruction
- Chronic Constipation
- Chronic Diarrhea
- Colitis
- Colon Cancer
- Colon Polyps
- Crohn's Disease
- 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
- Malabsorption
- Melena
- Nausea
- Pancreatitis
- Paralytic Ileus And Intestinal Obstruction
- Peptic Ulcer Disease
- Perianal Fistula
- Postprandial Diarrhea
- Proctitis
- Rectal Cancer
- Rectal Pain
- Regional Enteritis
- Small Intestine Cancer
- Stomach Cancer
- Stomach Cramps
- Stomach Ulcers
- Ulcerative Colitis
- Vomiting
Procedures I perform
- Capsule Endoscopy
- Celiac Disease Treatment
- Colonoscopy Through Stoma
- Colonoscopy With Biopsy
- Diarrhea Treatment
- Dilation Of Esophagus
- Endoscopic Mucosal Resection
- Enteroscopy
- Esophageal Dilation
- Esophagogastroduodenoscopy With Biopsy
- Flexible Colonoscopy With Biopsy
- Gastrointestinal Biopsy
- Gastrointestinal Foreign Body Removal
- Gastrostomy
- Hydrogen Breath Test
- Intestinal Biopsy
- Irritable Bowel Syndrome Treatment
- Lower Gi Endoscopy
- Pancreatitis Treatment
- 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
- CareFirst Administrators
- CareFirst Group Medicare Advantage
- Amerigroup DC Alliance
- Aetna Managed Choice Open Access (POS)
- Choice POS
- CIGNA SureFit (HMO)
- Anthem Federal Employee Program Basic
- United Healthcare Choice Cardiac Global
- Aetna Classic 5000
- Anthem BCBS of VA HealthKeepers (HMO)
- Aetna Classic 5000PD
- IH-Open POS Plus
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- CIGNA EPO
- CIGNA PPO
- Anthem Federal Employee Program Standard
- AMERIVANTAGE/Amerigroup Community Care
- First Health PPO
- First Health PPO
- Johns Hopkins Advantage MD PLUS PPO
- Choice Fund PPO
- IH-Open HMO Option
- CareFirst Maryland Indemnity or PPO
- Jai Medical Systems - Maryland Health Choice
- Choice POS II
- Aetna Worker's Compensation Network
- Optimum Choice
- UnitedHealthcare Medicare Adv. Special Needs Plans
- IH-POS Plus
- Options PPO Cardiac Global
- CareFirst BlueChoice HMO
- AmeriHealth Caritas DC Healthy Families
- CareFirst NASCO
- Employee Health Plan
- Johns Hopkins Advantage MD PPO
- UnitedHealthcare Individual Exchange Plans
- CareFirst FEP Blue Focus
- CareFirst Community Health Plan of MD
- CareFirst Maryland Point of Service Plan
- Cigna Alliance Medicare (HMO)
- MedStar Family Choice DC Healthy Families
- Police and Fire Clinic
- United Healthcare Community Plan - VA Medicaid MCO
- M.D. IPA (HMO)
- Kaiser Permanente Signature - Added Choice
- Anthem BCBS of VA HealthKeepers Plus
- TRICARE East Prime
- M.D. IPA Preferred (POS)
- Aetna Signature Administrator PPO/TPA
- Private Health Care Systems (PPO)
- United Healthcare Choice
- Aetna Traditional Choice (PPO)
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- IH-Indemnity
- Uniformed Services Family Health Plan
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Aetna VA Exchange
- DC/MD SHOP QHP Small Business Plans
- CareFirst MedStar Select PPO
- IH-Open EPO Plus
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Private Fee-for-Service Plans (PFFS)
- CareFirst Blue Preferred PPO
- Humana Medicare Advantage - PPO
- IH-HMO
- Aetna Better Health of MD
- Erickson Advantage Plans
- OA Plus
- United Student Resources
- Medicare Direct
- IH-PPO
- IH-Open POS II
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- IH-Open Network Only Plus
- HumanaChoice PPO
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- HighMark
- Aetna Advantage 5750
- Kaiser Permanente HMO Plus and DHMO Plus Member
- United Healthcare Navigate Cardiac Global
- Network OA
- Coventry Health Care National Network PPO
- Kaiser Permanente Signature
- Mamsi Life & Health (Indem./PPO)
- Aetna Elect Choice/ Open Access (POS)
- CIGNA Indemnity
- Cigna True Choice Medicare (PPO)
- HumanaChoice Honor's plan PPO
- Kaiser Permanente Select - Added Choice
- United Healthcare Select HMO - EPO/NPP
- BlueChoice Open Access
- IH-POS
- TRICARE for Life East
- MultiPlan, Inc
- Maryland Physicians Care MCO
- MedStar Family Choice - Maryland Health Choice
- NYC Medicare Advantage Plus
- United Healthcare Choice Plus Cardiac Global
- Aetna HMO
- Choice Care Network/HUMANA (PPO)
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Lasso Healthcare - Medicare Medical Savings Account
- CareFirst EPO
- Humana Medicare Advantage - HMO Open Access
- Kaiser Permanente Select
- CareFirst Blue Choice Opt Out Open Access
- Aetna Premier 200PD
- Kaiser Permanente Flexible Choice 3-tier POS
- TriWest Healthcare Alliance
- Magellan Complete Care of VA - VA Medicaid MCO
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- IH-EPO Plus
- Anthem BCBS Medi Blue SNP
- CareFirst Blue Card Program
- Kaiser Permanente Medicare Advantage Signature and Select
- POS OA
- Navigate
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Choice POS II Open Access
- Advantra Platinum (PPO)
- Sentara Health
- Cigna Preferred Medicare (HMO)
- MedStar Family Choice DC Healthcare Alliance
- Aetna Medicare Advantage PFFS Plan
- CIGNA PPO Plus
- Aetna Advantage 6350
- Aetna Open Choice (PPO)
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- UHC Passport
- Optima Family Care MCO - VA Medicaid MCO
- CareFirst Dual Prime HMO-SNP
- CareFirst MedStar PPO
- CIGNA POS/Network POS
- Optimum Choice Preferred (POS)
- Alterwood Advanatge HMO & DSNP Plans
- Cigna True Choice Plus Medicare (PPO)
- United Medicare Private Fee-for-Service (PFFS) plans
- Aetna Medicare Advantage HMO & PPO Plans
- AmeriHealth Caritas DC Healthcare Alliance
- Geisinger Medicare Advantage
- Anthem BCBS Medi Blue Plus
- CIGNA HMO & Network (HMO)
- Core Essential (HMO)
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- United Healthcare Choice Plus
- HealthyBlue PPO
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Aetna Managed Choice (POS)
- UnitedHealthcare and AARP Medicare Complete Plans
- Aetna Basic
- Cigna TotalCare (HMO D-SNP)
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Kaiser Permanente Medicare Plus
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Humana Gold Plus HMO
- Aetna Better Health of VA
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Priority Partners - Maryland Health Choice
- United Healthcare Select Plus (POS)
- Medicare Advantage - Advantra Value (PPO)
- Coventry Health Care of Virginia
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Aetna Advantage 6350PD
- CIGNA Connect EPO
- Aetna Classic 3500
- IH-Network Only Plus
- Health Services for Children with Special Needs
- CareFirst (NCA) Indemnity
- Great-West Healthcare POS/CIGNA
- Tricare Reserve Select
- Kaiser Maryland Medicaid MCO
- Healthy Blue (HMO, POS)
- Anthem BCBS Medi Blue Dual Adv
- WellPoint Maryland - Maryland Health Choice
- Amerigroup DC Healthy Families
- Medicare FFS
- OCI Direct (HMO)
- Select HMO/HealthFund/Health Network
- Blue Choice Advantage
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- United Healthcare Options (PPO)
- Aetna Quality Point of Service (POS)
- United HealthCare Community Plan - Maryland Health Choice Program
- Kaiser Permanente Select Cardiac Global
- Cigna Achieve Medicare (HMO C-SNP)
- Coventry of Delaware HMO/PPO
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Aetna Student Health Insurance
- CIGNA HMO Open Access
- IH-Open HMO
- Beech Street PPO
- TRICARE East Select
- Johns Hopkins Advantage MD HMO
- Veterans Affairs Community Care Network
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)