Keith R. Unger, MD| Radiation Oncology | MedStar Health
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Keith R. Unger

Keith R. Unger, MD
Provider is directly employed by MedStar Health

4.9 out of 5 (435 reviews)

Specialties: Radiation Oncology

Languages: English

202-444-3786

About me

Board-certified radiation oncologist Keith Unger, MD, is the Physician Executive Director of MedStar Health's Radiation Oncology Service Line, Chief of Radiation Oncology at MedStar Georgetown University Hospital, and the Medical Director of RadAmerica. He is the Acting Academic Chair of the Department of Radiation Medicine and a Professor at Georgetown University School of Medicine. He serves on the Medical Executive Committee of MedStar Georgetown University Hospital. 

Dr. Unger's clinical practice focuses on the treatment of complex gastrointestinal cancers, sarcomas, prostate cancer, as well as advanced radiation therapy techniques.

Dr. Unger completed his internship at MedStar Washington Hospital Center and residency at MedStar Georgetown University Hospital, including a year as chief resident for Radiation Oncology. He received both his undergraduate and medical degree from the University of Virginia, where he was the recipient of numerous academic honors and awards.

As a researcher and educator, Dr. Unger has been a co-author to multiple text book chapters and publications in peer-reviewed journals, as well as a presenter at major medical meetings. His research focuses on the development of novel radiation therapy techniques and reduction in treatment-related side effects. He is an investigator for several active clinical and basic science research studies and his work has been supported by grant funding. He previously served as chair of the gastrointestinal committee for the annual meeting of the American Society of Clinical Oncology and serves a member of a physician advisory board for proton therapy.
 

Dr. Unger sees patients at both MedStar Georgetown University Hospital and MedStar Southern Maryland Hospital Center.

Conditions Treated:

  • Pancreatic cancer
  • Liver cancer
  • Esophageal cancer
  • Colorectal cancer
  • Other gastrointestinal cancers
  • Sarcomas
  • Brain and spine cancer
  • Breast cancer
  • Prostate cancer
  • General radiation oncology

Procedures performed:

  • Proton therapy
  • Intensity modulation radiation therapy (IMRT)
  • Stereotactic body radiation therapy, CyberKnife
  • Stereotactic radiosurgery, CyberKnife
  • Selective internal radiation therapy (TheraSpheres, Sirs Spherers)
  • Intraoperative radiation therapy (INTRABEAM)

Procedures I perform

  • Brachytherapy
  • Breast Cancer
  • Cyberknife
  • Intraoperative Radiation Therapy
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Practice locations

Distance from Change LocationEnter your Location

7501 Surratts Rd
Ste 108
Clinton, MD, 20735

301-868-1100

Fax 301-868-7412

Get Directions

miles away

Fax 301-868-7412

3800 Reservoir Rd NW
Bles Bldg
Washington, DC, 20007

202-444-3320

Fax 202-444-9323

Get Directions

miles away

Fax 202-444-9323

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

Videos

Education

Board Certification: American Board of Radiology, Radiation Oncology

Residency: Georgetown University School of Medicine GME (2011)

Internship: MedStar Washington Hospital Center (2007)

Medical School: University of Virginia (2006)

Awards

  • Association of Residents in Radiation Oncology Educator of the Year
  • Best of ASTRO Abstract Award Annual Meeting 
  • Top Doctor, Washingtonian Magazine 
  • Radiation Research Society Scholars in Training Travel Award

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
  • Nov 19, 2025

    It was a very relaxed and comprehensive diiscussion. There was no sense of doing rushed.

  • Oct 3, 2025

    My experience was very good

  • Aug 29, 2025

    Dr.Unger was exceptional in the care he gave to explaining my treatment options and answering my questions. He could the time to address each question thoroughly and directly.