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