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