Joseph Lee Roswarski, MD| Hematology, 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 (257 reviews)

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

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
  • Mar 19, 2026

    Dr Roswarski is terrific. He saved my life

  • Feb 16, 2026

    Good

  • Jan 14, 2026

    Dr. Roswarski is a remarkable doctor. I could not ask for better care.