Candace Mainor, MD| Breast Medical Oncology | MedStar Health
Candace Mainor

Candace Mainor, MD
Provider is directly employed by MedStar Health

4.8 out of 5 (242 reviews)

Specialties: Breast Medical Oncology

Languages: English

About me

Dr. Mainor is a fellowship-trained, board-certified medical oncologist. She specializes in diagnosing and treating breast cancer (early stage and metastatic), breast cancer prevention, and clinical trials. Dr. Mainor’s research focuses on developing novel therapies for breast cancer and health care disparities. In addition, she is also focusing some of her research on exploring therapeutics which may help to decrease cancer-treatment-related toxicity.  

Dr. Mainor’s main areas of clinical expertise include:

  • Breast cancer (early stage and metastatic)
  • Breast cancer prevention
  • Clinical trials

Clinical areas of focus

  • Breast Cancer
  • Carcinoma In Situ Of Breast
  • Ductal Carcinoma In Situ (DCIS)
  • Her2neu Receptor
  • Inflammatory Breast Cancer
  • Invasive Breast Cancer
  • Metastatic Breast Cancer
  • Triple Negative Breast Cancer
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Conditions and procedures

Conditions I treat

  • Brca
  • Breast Cancer
  • Carcinoma In Situ Of Breast
  • Ductal Carcinoma In Situ (DCIS)
  • Her2neu Receptor
  • Inflammatory Breast Cancer
  • Invasive Breast Cancer
  • Metastatic Breast Cancer
  • Triple Negative Breast Cancer
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Procedures I perform

  • Breast Cancer Immunotherapy
  • Cancer Chemotherapy
  • Cancer Immunotherapy
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Practice locations

Distance from Change LocationEnter your Location

3800 Reservoir Road Northwest
Lombardi Cancer Center
Washington, DC, 20007


Fax 202-444-1229

Get Directions

miles away

Fax 202-444-1229


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 Open Choice (PPO)
    • Aetna Open HMO/Open HMO Option/Open EPO Plus
    • UnitedHealthcare Individual Exchange Plans
    • Aetna HMO-Open Access/Select OA
    • Innovation Health: Network Only Plus
    • Traditional Medicare Fee for Service
    • Anthem (POS & Open Access POS) BCBS of VA HealthKeepers
    • CareFirst Group Medicare Advantage
    • HumanaChoice PPO
    • Aetna Managed Choice Open Access (POS)
    • WellPoint Maryland - Maryland Health Choice
    • Kaiser Medicare Advantage Signature and Select
    • Carefirst BlueChoice HMO
    • WellPoint Maryland
    • United Optimum Choice Preferred (POS) & OCI Direct (HMO)
    • United MD IPA Preferred (POS)
    • United AARP Medicare Complete
    • Aetna Medicare Advantage HMO & PPO Plans
    • Anthem Plus BCBS of VA HealthKeepers Plus
    • HealthyBlue PPO
    • Kaiser Select
    • Federal Employee Program (Std/Basic PPO/Blue Focus)
    • Virginia Premier
    • Aetna Elect Choice/ EPO (Aetna Health Fund)
    • United Mamsi Life & Health
    • Maryland Point of Service Plan (MPOS)
    • Tricare East Prime
    • Aetna Select HMO/HealthFund/Health Network
    • Medicaid - Virginia
    • MedStar Family Choice DC Healthcare Alliance
    • Innovation Health: Open POS II
    • Cigna HMO & Network (HMO)
    • United Choice
    • Kaiser Medicare Plus
    • United Medicare Advantage DSNP District of Columbia
    • Innovation Health: Indemnity
    • CareFirst Blue Card Program (Out-of-area BCBS plans)
    • Kaiser Flexible Choice
    • Aetna Managed Choice (POS)
    • CareFirst NASCO
    • Cigna Achieve Medicare (HMO C-SNP)
    • Aetna Quality Point of Service (POS)
    • Innovation Health: HMO & EPO Plus
    • United Options (PPO) (includes Empire PPO)
    • Health Services for Children with Special Needs (HSCSN)
    • United Erickson Advantage Plans
    • United Optimum Choice
    • Carefirst EPO
    • Cigna Alliance Medicare (HMO) |
    • United Community Plan - Maryland Health Choice Program
    • Anthem HMO - BCBS of VA HealthKeepers
    • MedStar Family Choice DC Healthy Families
    • Carefirst Blue Preferred PPO
    • Cigna PPO and PPO Plus
    • CareFirst Administrators
    • Innovation Health: Open POS Plus
    • Aetna Elect Choice/ Open Access (POS)
    • Kaiser Permanente Signature-Added Choice
    • Innovation Health: POS Plus
    • Medicaid - District of Columbia
    • United Golden Rule
    • Aetna Choice POS & Choice POS II
    • Cigna POS/Network POS
    • Choice Care Network/HUMANA (PPO)
    • Carefirst Healthy Blue (HMO/POS)
    • Veterans Affairs Community Care Network (VA CCN)
    • Tricare for Life East
    • United Core Essential (HMO)
    • Aetna Traditional Choice (PPO)
    • Cigna True Choice Plus Medicare (PPO)
    • United Navigate
    • United Nursing Home Plan (C-SNP
    • Tricare East Select
    • Carefirst BlueChoice Open Access
    • Beech Street PPO
    • Police and Fire Clinic
    • Innovation Health: PPO
    • Private Health Care Systems (PHCS) (PPO)
    • CareFirst MedStar Select PPO
    • Cigna True Choice Medicare (PPO)
    • CareFirst (NCA) Indemnity
    • Cigna TotalCare (HMO D-SNP)
    • Kaiser Maryland Medicaid MCO
    • Veterans Affairs Community Care Network
    • United Select HMO - EPO/NPP
    • Innovation Health: POS
    • Cigna Preferred Medicare
    • CareFirst Maryland Indemnity or PPO
    • Tricare Reserve Select
    • Aetna Student Health Insurance
    • D-SNP)
    • Aetna HMO
    • United MD IPA (HMO)
    • Cigna HMO Open Access
    • Carefirst BlueChoice Opt Out Open Access
    • United Choice Plus
    • Medicaid - Maryland
    • CareFirst Group Medicare Advantage prescription drug benefit (PPO)
    • Aetna HealthFund/Health Network Option OA
    • Carefirst BlueChoice Opt Out Plus Open Access (POS)
    • Cigna Choice Fund PPO
    • Aetna Signature Administrator PPO/TPA
    • Kaiser Select-Added Choice
    • Cigna POS Open Access & Open Access Plus
    • United GEHA (for all other states) Compass Rose
    • Kaiser HMO Plus and DHMO Plus Member
    • Cigna Indemnity
    • Cigna EPO
    • CareFirst BC/BS Advantage Core/Enhanced
    • Kaiser Signature
    • CareFirst MedStar PPO
    • Cigna Network Open Access
    • HumanaChoice Honor’s plan PPO
    • United Student Resources
    • Innovation Health: Open Network Only Plus
    • United Group Medicare Advantage Plans
    • United Select Plus (POS)
    • I-SNP
    • MedStar Family Choice - Maryland Health Choice
    • Coventry Health Care National Network PPO
    • First Health PPO
    • Coventry of Delaware HMO/PPO
    • Coventry Health Care of Virginia
    • Great-West Healthcare POS/CIGNA


Fellowship Program: University of Maryland Medical Center (2018)

Residency Program: University of Maryland Medical Center (2015)

Medical School: University of Maryland Medical School (2012)

Ratings and reviews

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

  • Extent to which the care provider listened to you

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

  • Care provider's efforts to include you in decisions about your care

  • Concern the care provider showed for your questions or worries

  • Likelihood of recommending this care provider to others

  • Apr 23, 2024

    Dr. Mainor was thorough in her review and discussion about my medical history. She was attentive and responsive to my questions and concerns. She made me feel at ease about current and future prognosis and care. Great and gentle "bedside" manners which were greatly appreciated.

  • Apr 18, 2024

    I do not have any complaints at this time

  • Apr 16, 2024

    Dr Mainor is a great communicator, very organized and informative