About me
Dr. Lischalk is a board-certified radiation oncologist with extensive experience in stereotactic radiosurgery, stereotactic body radiation therapy, intensity modulated radiation therapy, and proton beam therapy. In addition to his positions as clinical director of the radiosurgery service and specialty service director of the Genitourinary Cancer Program at MedStar Georgetown, he serves as assistant director of the clinical trials office at Georgetown Lombardi Comprehensive Cancer Center, vice-chief of clinical research for MedStar Radiation Oncology, and is a clinical associate professor at the Georgetown University School of Medicine.
Before joining MedStar Georgetown, Dr. Lischalk held several leadership positions at New York University Perlmutter Cancer Center, where he served as medical director of the NYU CyberKnife Center, director of research for the NYU-LI Department of Radiation Oncology, and clinical associate professor in the NYU-LI Grossman School of Medicine. He also previously served as director of thoracic radiation oncology at MedStar Georgetown University Hospital.
Dr. Lischalk earned his medical doctorate from the University of Washington School of Medicine. He completed his internship in internal medicine at Stamford/Columbia University College of Physicians and Surgeons, followed by his residency and chief residency in the Department of Radiation Medicine at Georgetown University Hospital.
Dr. Lischalk’s clinical research focuses on genitourinary, thoracic, and central nervous system cancers, with particular expertise in innovative approaches to prostate cancer treatment, including MRI-directed SBRT microboost techniques and the integration of advanced technologies for precision treatment delivery. He has been at the forefront of developing clinical trials and has led several successful investigator initiated trials for novel treatments of prostate and lung cancers.
Dr. Lischalk has published over 75 peer-reviewed articles and regularly presents his research at national and international conferences. Since 2015, he has maintained a research collaboration with Heidelberg University Hospital/Ion Therapy Center in Germany, one of the world's premier centers for advanced radiation techniques including carbon ion therapy.
Beyond his clinical and research work, Dr. Lischalk is committed to medical education, having mentored numerous medical students, residents, and fellows throughout his career. He is actively involved in clinical trials and innovative treatment approaches for cancer patients, with a commitment to advancing radiation oncology techniques that improve outcomes while minimizing side effects. He is a member of the American Society for Radiation Oncology, the American Society of Clinical Oncology, and the American Board of Radiology.
Philosophy of care
Because every patient is unique, Dr. Lischalk develops a treatment plan focused on the patient’s diagnosis and what is important to them and tailors the treatment approach to best meet their needs. He takes a multidisciplinary, collaborative approach to caring for patients, partnering with doctors from different specialties, including radiology, pathology, surgery, and medical oncology, to provide patients with unparalleled cancer care and achieve the best outcomes.
When he’s not working, Dr. Lischalk enjoys spending time with family and traveling internationally.
Procedures I perform
- Brachytherapy
- Breast Cancer Radiation Treatment
- Cancer Radiation Treatment
- Cancer Survivorship Care
- Cyberknife
- Gastrointestinal Cancer Radiation Treatment
- Genitourinary Cancer Treatment
- Keloid Radiation Treatment
- Lung Cancer Radiationtreatment
- Osteoarthritis Radiation Treatment
- Prostate Brachytherapy
- Prostate Cancer Treatment
- Radiation Oncology Consultation
- Transrectal Ultrasound
- Ultrasound-Guided Biopsy
Practice locations
Distance from Change Location Enter your Location
3800 Reservoir Rd NW
Bles Bldg Lower Level
Washington, DC, 20007
3800 Reservoir Rd NW
Lombardi Ground Fl
Washington, DC, 20007
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 Federal Employee Program Basic
- CareFirst FEP Blue Focus
- Network OA
- Coventry Health Care National Network PPO
- MedStar Family Choice DC Healthcare Alliance
- IH-POS Plus
- Uniformed Services Family Health Plan
- IH-Open Network Only Plus
- Aetna Managed Choice Open Access (POS)
- Maryland Physicians Care MCO
- Aetna Open Choice (PPO)
- Beech Street PPO
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Aetna Better Health of VA
- Private Health Care Systems (PPO)
- United Healthcare Select HMO - EPO/NPP
- WellPoint Maryland - Maryland Health Choice
- Aetna Elect Choice/ Open Access (POS)
- CareFirst Blue Choice Opt Out Open Access
- Cigna Alliance Medicare (HMO)
- Aetna Advantage 6350
- IH-POS
- Aetna Better Health of MD
- Health Services for Children with Special Needs
- Johns Hopkins Advantage MD PPO
- Kaiser Permanente Select Cardiac Global
- Alterwood Advanatge HMO & DSNP Plans
- Medicare Direct
- Advantra Platinum (PPO)
- United Medicare Private Fee-for-Service (PFFS) plans
- United Healthcare Choice Plus
- UnitedHealthcare Individual Exchange Plans
- Cigna TotalCare (HMO D-SNP)
- Humana Gold Plus HMO
- United HealthCare Community Plan - Maryland Health Choice Program
- BlueChoice Open Access
- HealthyBlue PPO
- CareFirst Blue Card Program
- United Healthcare Choice Cardiac Global
- POS OA
- Employee Health Plan
- CareFirst Administrators
- Sentara Health
- M.D. IPA (HMO)
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Kaiser Permanente Signature - Added Choice
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Kaiser Maryland Medicaid MCO
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- IH-Open EPO Plus
- CareFirst Maryland Indemnity or PPO
- IH-HMO
- IH-Network Only Plus
- Aetna Student Health Insurance
- CareFirst Community Health Plan of MD
- Veterans Affairs Community Care Network
- Aetna Quality Point of Service (POS)
- United Student Resources
- AmeriHealth Caritas DC Healthcare Alliance
- Kaiser Permanente Medicare Advantage Signature and Select
- Lasso Healthcare - Medicare Medical Savings Account
- Aetna HMO
- Johns Hopkins Advantage MD PLUS PPO
- Mamsi Life & Health (Indem./PPO)
- AmeriHealth Caritas DC Healthy Families
- TRICARE East Prime
- Aetna Medicare Advantage PFFS Plan
- Optimum Choice
- CareFirst Group Medicare Advantage
- Aetna Signature Administrator PPO/TPA
- CIGNA PPO
- First Health PPO
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- CIGNA EPO
- Aetna Traditional Choice (PPO)
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- Blue Choice Advantage
- Anthem BCBS Medi Blue Plus
- Kaiser Permanente Select - Added Choice
- Aetna Premier 200PD
- HumanaChoice PPO
- IH-Open HMO
- IH-Open POS Plus
- CIGNA Connect EPO
- CIGNA SureFit (HMO)
- CIGNA POS/Network POS
- CareFirst (NCA) Indemnity
- MedStar Family Choice DC Healthy Families
- Private Fee-for-Service Plans (PFFS)
- Aetna Worker's Compensation Network
- Police and Fire Clinic
- CareFirst BlueChoice HMO
- Anthem BCBS Medi Blue Dual Adv
- First Health PPO
- UnitedHealthcare Medicare Adv. Special Needs Plans
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- IH-Open HMO Option
- Johns Hopkins Advantage MD HMO
- CIGNA HMO Open Access
- Medicare Advantage - Advantra Value (PPO)
- CIGNA PPO Plus
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- TRICARE for Life East
- Choice POS II Open Access
- Amerigroup DC Alliance
- CareFirst Federal Employee Program (Std. & Basic PPO)
- TriWest Healthcare Alliance
- Aetna Advantage 6350PD
- Aetna Classic 5000PD
- OCI Direct (HMO)
- Geisinger Medicare Advantage
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Coventry Health Care of Virginia
- TRICARE East Select
- United Healthcare Choice Plus Cardiac Global
- Aetna Classic 3500
- CareFirst EPO
- HumanaChoice Honor's plan PPO
- MultiPlan, Inc
- Erickson Advantage Plans
- HighMark
- IH-EPO Plus
- Kaiser Permanente Select
- Aetna Managed Choice (POS)
- MedStar Family Choice - Maryland Health Choice
- Cigna Achieve Medicare (HMO C-SNP)
- Kaiser Permanente Medicare Plus
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Aetna Classic 5000
- United Healthcare Choice
- Choice Care Network/HUMANA (PPO)
- Coventry of Delaware HMO/PPO
- Cigna True Choice Medicare (PPO)
- Cigna True Choice Plus Medicare (PPO)
- Aetna Medicare Advantage HMO & PPO Plans
- UnitedHealthcare and AARP Medicare Complete Plans
- Navigate
- Options PPO Cardiac Global
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Aetna Basic
- CareFirst MedStar PPO
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- IH-Open POS II
- Tricare Reserve Select
- Humana Medicare Advantage - HMO Open Access
- United Healthcare Select Plus (POS)
- Anthem BCBS of VA HealthKeepers Plus
- Kaiser Permanente Flexible Choice 3-tier POS
- Optimum Choice Preferred (POS)
- Choice POS II
- Anthem BCBS of VA HealthKeepers (HMO)
- DC/MD SHOP QHP Small Business Plans
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Great-West Healthcare POS/CIGNA
- Humana Medicare Advantage - PPO
- Choice Fund PPO
- United Healthcare Navigate Cardiac Global
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Priority Partners - Maryland Health Choice
- Kaiser Permanente Signature
- M.D. IPA Preferred (POS)
- Anthem Federal Employee Program Standard
- IH-Indemnity
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- OA Plus
- CareFirst Maryland Point of Service Plan
- Anthem BCBS Medi Blue SNP
- CareFirst Dual Prime HMO-SNP
- CIGNA HMO & Network (HMO)
- Choice POS
- Cigna Preferred Medicare (HMO)
- Medicare FFS
- Aetna VA Exchange
- United Healthcare Options (PPO)
- NYC Medicare Advantage Plus
- CareFirst NASCO
- CIGNA Indemnity
- Optima Family Care MCO - VA Medicaid MCO
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- UHC Passport
- United Healthcare Community Plan - VA Medicaid MCO
- IH-PPO
- Amerigroup DC Healthy Families
- Core Essential (HMO)
- AMERIVANTAGE/Amerigroup Community Care
- Healthy Blue (HMO, POS)
- CareFirst Blue Preferred PPO
- CareFirst MedStar Select PPO
- Jai Medical Systems - Maryland Health Choice
- Aetna Advantage 5750
- Select HMO/HealthFund/Health Network
- Magellan Complete Care of VA - VA Medicaid MCO
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
Videos
Education
Board Certification: American Board of Radiology, Radiation Oncology
Residency: MedStar Georgetown University Hospital (2017)
Internship: Stamford Hospital (2013)
Medical School: University of Washington (2012)