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