David Owen Walls, MD| Transplant Surgery | MedStar Health
About me
Dr. Walls is a fellowship-trained multi-organ abdominal transplant surgeon. He performs liver, kidney, small bowel, and pancreas surgeries at MedStar Georgetown University Hospital.
Dr. Walls’ areas of special interest include:
- End-stage organ failure
- Liver, kidney, pancreas, and small bowel transplantation
- Machine perfusion of donor organs to increase organ quality and availability
- Organ procurement and preservation
- Minimally invasive surgery, including laparoscopic and robotic surgeries
Dr. Walls takes the time to educate each patient about their condition and treatment options so they can be active partners in decisions about their care.
He earned his medical degree at Jefferson Medical College in Philadelphia and completed his residency at Rutgers Robert Wood Johnson Medical School in New Jersey. Dr. Walls completed a fellowship in multi-organ abdominal transplant and hepatopancreaticobiliary surgery at MedStar Georgetown University Hospital. He also earned a Master of Public Health degree with a concentration in epidemiology at Rutgers University.
When he’s not working, Dr. Walls enjoys skiing and spending time outdoors.
Clinical areas of focus
- Chronic Kidney Disease
- Kidney Pancreas Transplant Evaluation
- Kidney Resection
- Kidney Transplant Failure Treatment
- Liver Transplant In Hcv Patients
- Pancreas And Kidney Transplant
- Pancreas Transplant
Conditions and procedures
Conditions I treat
- Biliary Tract Disease
- Chronic Kidney Disease
- Complications Of Transplanted Organs And Tissue
- Cytomegaloviral (CMV) Infection
- Disorders Involving The Immune Mechanism
- Disorders Of Fluid, Electrolyte And Acid
- Donors Of Organs And Tissues
- Graft Vs Host Disease
- Immunodeficiencies
- Intestinal Infections
- Intrahepatic Bile Ducts Cancer
- Kidney Cancer Embolization
- Kidney Rejection
- Liver Cirrhosis
- Liver Failure
- Living Donor Kidney Transplant Complications
- Long Term Drug Therapy
- Lung Transplant Complications
- Lung Transplant Rejection
- Malabsorption
- Pancreas Transplant Complications
- Pancreas Transplant Failure
- Pancreas Transplant Revision
- Polycystic Liver Disease
- Secondary Hypertension
- Transplanted Kidney Failure
- Transplanted Organ And Tissue Status
- Transplanted Organ Failure
- Type 2 Diabetes
Procedures I perform
- Backbench Liver Graft Reconstruction
- Dialysis
- Donor Organ Procurement
- Dopamine Therapy
- Endocrinology Care
- High-Risk Pancreas Transplant
- Islet Xenotransplant
- Kidney Disease Treatment
- Kidney Pancreas Transplant Evaluation
- Kidney Resection
- Kidney Stones Treatment
- Kidney Transplant Failure Treatment
- Kidney Transplant In Diabetic Patients
- Kidney Transplant In Older Adults
- Liver Transplant In Hcv Patients
- Multi-Organ Transplant
- Nephrectomy
- Pancreas And Kidney Transplant
- Pancreas Transplant
- Pancreas Transplant Rejection Treatment
- Pediatric Pancreas Transplant
- Simultaneous Transplant
- Small Bowel Transplant In Children
- Transplant Evaluation
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
- UnitedHealthcare and AARP Medicare Complete Plans
- CareFirst Group Medicare Advantage
- IH-POS Plus
- CareFirst Administrators
- UnitedHealthcare Individual Exchange Plans
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Private Health Care Systems (PPO)
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- HumanaChoice Honor's plan PPO
- CareFirst MedStar Select PPO
- Cigna Alliance Medicare (HMO)
- Aetna Student Health Insurance
- Veterans Affairs Community Care Network
- Magellan Complete Care of VA - VA Medicaid MCO
- Anthem BCBS Medi Blue Plus
- OCI Direct (HMO)
- Aetna Advantage 6350
- IH-Open HMO Option
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- MultiPlan, Inc
- CareFirst Dual Prime HMO-SNP
- IH-Open POS II
- IH-POS
- CIGNA HMO & Network (HMO)
- MedStar Family Choice DC Healthy Families
- Anthem BCBS of VA HealthKeepers Plus
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Kaiser Permanente Signature - Added Choice
- HumanaChoice PPO
- Geisinger Medicare Advantage
- Johns Hopkins Advantage MD PPO
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Kaiser Permanente Select Cardiac Global
- Options PPO Cardiac Global
- CareFirst NASCO
- Private Fee-for-Service Plans (PFFS)
- IH-Indemnity
- IH-Open Network Only Plus
- United Healthcare Navigate Cardiac Global
- Aetna Basic
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Aetna Classic 5000
- Cigna True Choice Plus Medicare (PPO)
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Aetna Premier 200PD
- CIGNA SureFit (HMO)
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Aetna Medicare Advantage PFFS Plan
- Aetna Traditional Choice (PPO)
- Network OA
- Humana Medicare Advantage - PPO
- IH-PPO
- United Healthcare Choice Plus Cardiac Global
- UHC Passport
- DC/MD SHOP QHP Small Business Plans
- Optima Family Care MCO - VA Medicaid MCO
- CareFirst Blue Preferred PPO
- Kaiser Permanente Flexible Choice 3-tier POS
- Advantra Platinum (PPO)
- Aetna Managed Choice (POS)
- Anthem BCBS Medi Blue Dual Adv
- CIGNA PPO Plus
- UnitedHealthcare Medicare Adv. Special Needs Plans
- AmeriHealth Caritas DC Healthy Families
- Jai Medical Systems - Maryland Health Choice
- CIGNA PPO
- United Healthcare Options (PPO)
- IH-Network Only Plus
- UnitedHealthcare Individual Exchange Plans
- United HealthCare Community Plan - Maryland Health Choice Program
- CIGNA HMO Open Access
- Beech Street PPO
- Coventry Health Care National Network PPO
- Erickson Advantage Plans
- Cigna Preferred Medicare (HMO)
- Tricare Reserve Select
- Aetna Classic 5000PD
- Johns Hopkins Advantage MD HMO
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Aetna Advantage 6350PD
- Mamsi Life & Health (Indem./PPO)
- CareFirst FEP Blue Focus
- CareFirst Maryland Point of Service Plan
- Medicare FFS
- Sentara Health
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Kaiser Permanente Medicare Advantage Signature and Select
- Kaiser Permanente Select - Added Choice
- IH-EPO Plus
- NYC Medicare Advantage Plus
- Aetna Better Health of VA
- Aetna Classic 3500
- Optimum Choice Preferred (POS)
- Medicare Direct
- TriWest Healthcare Alliance
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- CIGNA Indemnity
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Aetna Signature Administrator PPO/TPA
- Choice POS II
- Amerigroup DC Healthy Families
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Healthy Blue (HMO, POS)
- Priority Partners - Maryland Health Choice
- Health Services for Children with Special Needs
- Anthem BCBS Medi Blue SNP
- Choice Fund PPO
- CareFirst EPO
- Kaiser Permanente Select
- United Healthcare Select HMO - EPO/NPP
- CareFirst Blue Card Program
- Cigna Achieve Medicare (HMO C-SNP)
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Great-West Healthcare POS/CIGNA
- AMERIVANTAGE/Amerigroup Community Care
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- TRICARE East Select
- CareFirst Maryland Indemnity or PPO
- Kaiser Permanente Signature
- Aetna Advantage 5750
- Optimum Choice
- United Student Resources
- Navigate
- United Healthcare Choice Cardiac Global
- MedStar Family Choice DC Healthcare Alliance
- Aetna Quality Point of Service (POS)
- Cigna True Choice Medicare (PPO)
- Choice POS II Open Access
- MedStar Family Choice - Maryland Health Choice
- IH-Open EPO Plus
- M.D. IPA (HMO)
- TRICARE East Prime
- First Health PPO
- CIGNA POS/Network POS
- WellPoint Maryland - Maryland Health Choice
- POS OA
- Police and Fire Clinic
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Amerigroup DC Alliance
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Coventry of Delaware HMO/PPO
- Medicare Advantage - Advantra Value (PPO)
- CareFirst MedStar PPO
- United Healthcare Community Plan - VA Medicaid MCO
- HealthyBlue PPO
- CareFirst Blue Choice Opt Out Open Access
- Employee Health Plan
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Select HMO/HealthFund/Health Network
- United Medicare Private Fee-for-Service (PFFS) plans
- Aetna Managed Choice Open Access (POS)
- IH-HMO
- CareFirst (NCA) Indemnity
- United Healthcare Choice
- CIGNA EPO
- Lasso Healthcare - Medicare Medical Savings Account
- Johns Hopkins Advantage MD PLUS PPO
- Blue Choice Advantage
- Aetna Medicare Advantage HMO & PPO Plans
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- CareFirst Community Health Plan of MD
- AmeriHealth Caritas DC Healthcare Alliance
- Kaiser Maryland Medicaid MCO
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Maryland Physicians Care MCO
- CIGNA Connect EPO
- Aetna VA Exchange
- MedStar Family Choice DC Healthcare Alliance
- Alterwood Advanatge HMO & DSNP Plans
- Humana Medicare Advantage - HMO Open Access
- United Healthcare Choice Plus
- Choice POS
- Anthem BCBS of VA HealthKeepers (HMO)
- Choice Care Network/HUMANA (PPO)
- United Healthcare Select Plus (POS)
- Core Essential (HMO)
- HighMark
- First Health PPO
- Aetna Better Health of MD
- Aetna Elect Choice/ Open Access (POS)
- M.D. IPA Preferred (POS)
- IH-Open HMO
- Aetna Open Choice (PPO)
- Kaiser Permanente Medicare Plus
- Cigna TotalCare (HMO D-SNP)
- OA Plus
- Humana Gold Plus HMO
- Anthem Federal Employee Program Basic
- CareFirst BlueChoice HMO
- Anthem Federal Employee Program Standard
- Coventry Health Care of Virginia
- IH-Open POS Plus
- BlueChoice Open Access
- Uniformed Services Family Health Plan
- TRICARE for Life East
- Aetna HMO
- Mamsi Life & Health (Indem./PPO)
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Aetna Worker's Compensation Network
- MedStar Family Choice - Maryland Health Choice
Videos
Education
Fellowship: Georgetown University School of Medicine GME (2024)
Residency: Rutgers Health Newark Beth Israel Medical Center (2022)
Graduate: Rutgers University-The State University of New Jersey (2019)
Medical School: Thomas Jefferson University Hospital (2015)