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

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

4.8 out of 5 (420 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 Location Enter your Location

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

202-444-2223
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
    • IH-Open EPO Plus
    • CareFirst Administrators
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • United Student Resources
    • Cigna Achieve Medicare (HMO C-SNP)
    • IH-Network Only Plus
    • Aetna Quality Point of Service (POS)
    • Medicare Direct
    • AmeriHealth Caritas DC Healthcare Alliance
    • Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
    • MedStar Family Choice DC Healthy Families
    • Geisinger Medicare Advantage
    • Choice POS II Open Access
    • Aetna Advantage 5750
    • Aetna Advantage 6350PD
    • Humana Medicare Advantage - PPO
    • Kaiser Permanente Medicare Advantage Signature and Select
    • United Healthcare Select HMO - EPO/NPP
    • CIGNA HMO & Network (HMO)
    • TRICARE for Life East
    • United Healthcare Choice
    • IH-EPO Plus
    • CareFirst Maryland Point of Service Plan
    • United Healthcare Options (PPO)
    • OCI Direct (HMO)
    • Aetna Premier 200PD
    • MD IPA (HMO) & MD IPA Preferred Cardiac Global
    • Aetna Managed Choice (POS)
    • Blue Choice Advantage
    • CareFirst MedStar PPO
    • HumanaChoice PPO
    • United Healthcare Choice Cardiac Global
    • Aetna Classic 5000PD
    • Aetna Classic 3500
    • Aetna Elect Choice/ EPO (Aetna Health Fund)
    • UnitedHealthcare Medicare Advantage DSNP District of Columbia
    • WellPoint Maryland - Maryland Health Choice
    • Aetna Student Health Insurance
    • Kaiser Permanente HMO Plus and DHMO Plus Member
    • HumanaChoice Honor's plan PPO
    • Cigna Alliance Medicare (HMO)
    • MedStar Family Choice DC Healthcare Alliance
    • Aetna Elect Choice/ Open Access (POS)
    • Private Health Care Systems (PPO)
    • Choice POS II
    • Kaiser Permanente Medicare Plus
    • Choice Fund PPO
    • Choice POS
    • Cigna True Choice Medicare (PPO)
    • Core Essential (HMO)
    • CIGNA Indemnity
    • TriWest Healthcare Alliance
    • Advantra Platinum (PPO)
    • Amerigroup DC Alliance
    • AMERIVANTAGE/Amerigroup Community Care
    • Anthem BCBS of VA HealthKeepers (POS & POS OA)
    • Tricare Reserve Select
    • CareFirst Group Medicare Advantage prescription drug benefit (PPO)
    • Kaiser Permanente Signature - Added Choice
    • CareFirst BlueCross BlueShield Advantage Core/Enhanced
    • NYC Medicare Advantage Plus
    • IH-Open POS II
    • IH-PPO
    • AmeriHealth Caritas DC Healthy Families
    • CIGNA PPO
    • Cigna True Choice Plus Medicare (PPO)
    • TRICARE East Prime
    • Aetna Medicare Advantage HMO & PPO Plans
    • CIGNA HMO Open Access
    • First Health PPO
    • Coventry of Delaware HMO/PPO
    • BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
    • HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
    • Cigna TotalCare (HMO D-SNP)
    • Coventry Health Care National Network PPO
    • UnitedHealthcare and AARP Medicare Complete Plans
    • United HealthCare Community Plan - Maryland Health Choice Program
    • CIGNA POS/Network POS
    • Humana Gold Plus HMO
    • Aetna Classic 5000
    • United Healthcare Select Plus (POS)
    • Anthem Federal Employee Program Basic
    • Mamsi Life & Health (Indem./PPO)
    • Optimum Choice Preferred (POS)
    • United Healthcare Community Plan - VA Medicaid MCO
    • Aetna VA Exchange
    • CareFirst NASCO
    • Humana Medicare Advantage - HMO Open Access
    • Kaiser Permanente Select - Added Choice
    • Network OA
    • Aetna Traditional Choice (PPO)
    • Medicare Advantage - Advantra Value (PPO)
    • CareFirst Blue Card Program
    • Anthem BCBS Medi Blue Dual Adv
    • Options PPO Cardiac Global
    • Healthy Blue (HMO, POS)
    • IH-HMO
    • Anthem BCBS Medi Blue SNP
    • UnitedHealthcare Medicare Adv. Special Needs Plans
    • IH-Open HMO Option
    • Aetna Better Health of VA
    • Johns Hopkins Advantage MD HMO
    • CareFirst Community Health Plan of MD
    • Aetna Better Health of MD
    • CareFirst BlueChoice HMO
    • CareFirst Maryland Indemnity or PPO
    • DC/MD SHOP QHP Small Business Plans
    • IH-Open POS Plus
    • Anthem BCBS of VA HealthKeepers Plus
    • IH-Indemnity
    • Aetna Signature Administrator PPO/TPA
    • First Health PPO
    • Johns Hopkins Advantage MD PLUS PPO
    • Kaiser Permanente Signature
    • Erickson Advantage Plans
    • United Healthcare Choice Plus
    • Medicare FFS
    • CareFirst Blue Choice Opt Out Open Access
    • CareFirst MedStar Select PPO
    • CIGNA SureFit (HMO)
    • Optimum Choice
    • M.D. IPA Preferred (POS)
    • Aetna Worker's Compensation Network
    • UHC Group Medicare Advantage Plans (HMO, POS, PPO)
    • United Medicare Private Fee-for-Service (PFFS) plans
    • Anthem BCBS Medi Blue Plus
    • Great-West Healthcare POS/CIGNA
    • Aetna Managed Choice Open Access (POS)
    • Kaiser Permanente Flexible Choice POS Cardiac Global
    • Kaiser Permaenete Signature - Added Choice Cardiac Global
    • HealthyBlue PPO
    • TRICARE East Select
    • United Healthcare Choice Plus Cardiac Global
    • Mamsi Life & Health (Indem./PPO) Cardiac Global
    • Coventry Health Care of Virginia
    • CIGNA PPO Plus
    • CareFirst (NCA) Indemnity
    • United Healthcare Select HMO-EPO/NPP Cardiac Global
    • CareFirst Blue Choice Opt Out Plus Open Access (POS)
    • CIGNA Connect EPO
    • Aetna Basic
    • Anthem Federal Employee Program Standard
    • Private Fee-for-Service Plans (PFFS)
    • Aetna Advantage 6350
    • Select HMO/HealthFund/Health Network
    • IH-POS
    • Health Services for Children with Special Needs
    • Johns Hopkins Advantage MD PPO
    • UnitedHealthcare Individual Exchange Plans
    • BCBS Out-of-State Medicare Plans (Blue Advantage)
    • POS OA
    • Kaiser Maryland Medicaid MCO
    • Amerigroup DC Healthy Families
    • Anthem BCBS of VA HealthKeepers (HMO)
    • Kaiser Permanente Flexible Choice 3-tier POS
    • UHC Passport
    • Employee Health Plan
    • CIGNA EPO
    • Alterwood Advanatge HMO & DSNP Plans
    • HighMark
    • Beech Street PPO
    • CareFirst EPO
    • Kaiser Permanente Select
    • CareFirst FEP Blue Focus
    • United Healthcare Navigate Cardiac Global
    • Magellan Complete Care of VA - VA Medicaid MCO
    • Aetna Medicare Advantage PFFS Plan
    • Uniformed Services Family Health Plan
    • Police and Fire Clinic
    • IH-POS Plus
    • Cigna Preferred Medicare (HMO)
    • Navigate
    • Lasso Healthcare - Medicare Medical Savings Account
    • OA Plus
    • Aetna HMO
    • Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
    • Optima Family Care MCO - VA Medicaid MCO
    • M.D. IPA (HMO)
    • CareFirst Federal Employee Program (Std. & Basic PPO)
    • Priority Partners - Maryland Health Choice
    • CareFirst Dual Prime HMO-SNP
    • Sentara Health
    • Veterans Affairs Community Care Network
    • Aetna Open Choice (PPO)
    • Jai Medical Systems - Maryland Health Choice
    • BlueChoice Open Access
    • Kaiser Permanente Select Cardiac Global
    • Anthem BCBS of VA Key Care POS/PPO/Indemnity
    • CareFirst Blue Preferred PPO
    • CareFirst Group Medicare Advantage
    • MedStar Family Choice - Maryland Health Choice
    • IH-Open HMO
    • Maryland Physicians Care MCO
    • MultiPlan, Inc
    • IH-Open Network Only Plus
    • Choice Care Network/HUMANA (PPO)

Videos

Education

Board Certification: American Board of Internal Medicine, Internal Medicine

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

    4.8
  • May 2, 2026

    Dr Mainor is easy to talk with. Very knowledgeable. She works with you to guide you through issue I have.

  • Apr 22, 2026

    Dr Mainor is a very caring doctor!

  • Mar 12, 2026

    Dr Mainor is the best.