Joseph Lee Roswarski, MD| Medical Oncology, Hematology and Oncology | MedStar Health
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Joseph Lee Roswarski

Joseph Lee Roswarski, MD
Provider is directly employed by MedStar Health

4.9 out of 5 (268 reviews)

Specialties: Medical Oncology, Hematology and Oncology

Languages: English

About me

Dr. Joseph Roswarski is fellowship-trained, board-certified medical hematologist oncologist affiliated with MedStar Georgetown University Hospital and the Georgetown Lombardi Comprehensive Cancer Center.  His medical career includes clinical care and research in hematologic malignancies, particularly lymphoma and multiple myeloma, at Walter Reed National Military Medical Center and through volunteer service at the National Institutes of Health (NIH).  He obtained his medical degree from Indiana University School of Medicine.

A decorated military veteran, Dr. Roswarski has received numerous awards during his time of military service as a medical officer.  Chief among these is the Bronze Star Medal – awarded for exceptionally meritorious service as the 201st Corps senior medical advisor. Additionally, he received the Meritorious Service Medal for his clinical care and leadership while at Tripler Army Medical Center in Hawaii.

Dr. Roswarski specializes in the treatment of lymphoma, leukemia, CLL, and myelodysplastic syndrome, at the Georgetown Lombardi Comprehensive Cancer Center.  The Georgetown Lombardi Comprehensive Cancer Center is the only National Cancer Institute-designated comprehensive cancer center in the Washington, D.C. region. 

Dr. Roswarski’s philosophy of care is to first and foremost develop a strong rapport with his patients, focusing on empathy and understanding.  He is passionate about making sure that patients and their families are able to understand their diseases and treatment options, in terms that are easily digestible, so that decisions can be made collaboratively.  Finally, Dr. Roswarski is proud to be a part of the Georgetown Lombardi Comprehensive Cancer Center, which will allow patients access to the cutting edge in cancer care and clinical trial opportunities.

About MedStar Georgetown Cancer Institute
MedStar Georgetown is part of the MedStar Georgetown Cancer Institute, which combines medical expertise, the latest therapies, and research across MedStar Health. Our research engine, the Georgetown Lombardi Comprehensive Cancer Center, is the only National Cancer Institute-designated comprehensive cancer center in the Washington, D.C., region. This partnership means we provide access to cutting-edge clinical trials and the latest breakthroughs in cancer care.

Clinical areas of focus

  • Bone Marrow Aspiration
  • Cancer Immunotherapy
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Procedures I perform

  • Antineoplastic Injection
  • Blood Transfusion
  • Bone Cancer Staging
  • Bone Marrow Aspiration
  • Bone Marrow Biopsy And Aspiration
  • Bone Marrow Failure Treatment
  • Cancer Diagnostic Testing
  • Cancer Immunotherapy
  • Cancer Pain Management
  • Cancer Risk Assessment
  • Cancer Treatment
  • Cancer Treatment Adjustment
  • Cancer Treatment Management
  • Cancer Treatment Monitoring
  • Cancer-Related Infection Treatment
  • Chemotherapy Administration
  • Clinical Trials
  • Computed Tomography
  • Hematology Consultation
  • Immunotherapy
  • Insertion Infusion Device
  • Leukemia Treatment
  • Leukopenia Treatment
  • Lymphoma Management
  • Lymphoma Treatment
  • Nausea And Vomiting Management
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Practice locations

Distance from Change LocationEnter your Location

3800 Reservoir Rd NW
Washington, DC, 20007

202-877-6000

Fax 202-877-6602

Get Directions

miles away

Fax 202-877-6602

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

Videos

Education

Board Certification: American Board of Internal Medicine, Hematology

Board Certification: American Board of Internal Medicine, Medical Oncology

Fellowship: Uniformed Services University of the Health Sciences (2017)

Residency: Uniformed Services University of the Health Sciences (2014)

Medical School: Indiana Univ/Purdue University-Indianapolis (2011)

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    4.9
  • Extent to which the care provider listened to you

    4.9
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.9
  • Provider included you in decisions

    4.9
  • Concern the care provider showed for your questions or worries

    4.9
  • Likelihood of recommending this care provider to others

    4.9
  • Apr 13, 2026

    Dr Roswarski was outstanding. He fully explained my cancer status. He reviewed my PET. Scan so I could see and understand what was going on.

  • Mar 19, 2026

    Dr Roswarski is terrific. He saved my life

  • Feb 16, 2026

    Good