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

Candace Bavette Mainor, MD
Provider is directly employed by MedStar Health

4.8 out of 5 (392 reviews)

Specialties: Medical Oncology, 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

  • A1c Testing
  • Breast Cancer Treatment
  • Diagnostic Breast Imaging
  • Mammaprint Testing
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Procedures I perform

  • A1c Testing
  • Adjuvant Hormone Therapy
  • Antiangiogenic Therapy
  • Bone Density Testing
  • Breast Biopsy
  • Breast Cancer
  • Breast Cancer And Fertility
  • Breast Cancer Risk Reduction
  • Breast Cancer Screening
  • Breast Cancer Treatment
  • Breast Density Evaluation
  • Breast Exam
  • Breast Implant Removal With Lift
  • Breast Reconstruction
  • Cancer Fertility Preservation
  • Cancer Rehabilitation
  • Clinical Trials For Breast Cancer Treatment
  • Cold Laser Therapy
  • Diagnostic Breast Imaging
  • Diagnostic Mammography
  • Digital Breast Tomosynthesis
  • Dopamine Therapy
  • Ductal Carcinoma In Situ (DCIS) Surgery
  • Fine Needle Aspiration Biopsy
  • Flap Surgery
  • Genetic Counseling
  • Hormone Replacement Therapy
  • Immunohistochemistry Staining
  • Immunotherapy
  • Intraoperative Radiation Therapy
  • Lymph Node Biopsy
  • Magnetic Resonance Imaging (MRI)
  • Mammaprint Testing
  • Metabolomic Testing
  • Nausea And Vomiting Management
  • Needle Localization
  • Risk-Reducing Mastectomy
  • Single Photon Emission Computed Tomography
  • Tissue Biopsy
  • Ultrasound-Guided Biopsy
  • Ventricular Assist Device Placement
  • Whole Breast Radiation Therapy
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Practice locations

Distance from Change LocationEnter your Location

3800 Reservoir Rd NW
Lombardi Cancer Center
Washington, DC, 20007

202-444-2223

Fax 202-444-1229

Get Directions

miles away

Fax 202-444-1229

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

Education

Board Certification: American Board of Internal Medicine, Medical Oncology

Fellowship: University of Maryland Medicine GME (2018)

Residency: University of Maryland Medical Center (2015)

Medical School: University of Maryland School of Medicine (2012)

Ratings and reviews

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

    4.8
  • Extent to which the care provider listened to you

    4.8
  • Care provider’s discussion of any proposed treatment (options, risks, benefits, etc.)

    4.8
  • Provider included you in decisions

    4.8
  • Concern the care provider showed for your questions or worries

    4.8
  • Likelihood of recommending this care provider to others

    4.7
  • Dec 18, 2025

    as mentioned, in a previous note, Dr. Mainor never makes me feel rushed. She always explains everything very clearly, and always make sure that I get my questions answered.

  • Oct 31, 2025

    Good-thorough.

  • Oct 28, 2025

    Love Dr Candace Mainor!