Joseph Lee Roswarski, MD| Hematology, Medical 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 (259 reviews)

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

Videos

Education

Board Certification: American Board of Internal Medicine, Medical Oncology

Board Certification: American Board of Internal Medicine, Hematology

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