About me
Dr. Claudine Isaacs is a medical oncologist who specializes in the care of women with all stages of breast cancer. She is Professor of Medicine and Oncology, Associate Director of Clinical Research and Leader of the Clinical Breast Cancer Program at the Georgetown Lombardi Comprehensive Cancer Center. She is also the Medical Director of the Jess and Mildred Fisher Center for Hereditary Cancer and Clinical Genomics Research. She has been practicing for over 20 years.
Dr. Isaacs received her medical degree and internal medicine residency training at McGill University, Canada. She completed fellowship training in the Division of Hematology and Oncology at McGill University and a Fellowship in Breast Medical Oncology in the Division of Medical Oncology at Georgetown University. She then joined the faculty in the Department of Medicine and Oncology at Georgetown University.
Dr. Isaacs has extensive experience in the conduct of clinical trials focusing on all aspects of breast cancer. Additional research interests include cancer risk assessment and medical management and prevention strategies for women at high risk for breast cancer. She has served as the principal investigator of a variety of clinical trials in the treatment of early-stage and metastatic breast cancer, and currently serves as the principal investigator of the Translational Breast Cancer Research Consortium (TBCRC), the ISPY2 trial at Georgetown University. She has authored over 200 peer-reviewed publications. She has also served on a number of committees, including the Cancer Education Committee at the American Society of Clinical Oncology (ASCO), the ASCO Scientific Program Committee, the Breast Oncology Local Diseases Task Force of the Breast Steering Committee of the National Cancer Institute, and most recently the ASCO guidelines committee. She has been named one of America's Top Cancer Doctors by Castle Connolly/Newsweek for many years running, and has also received designations from Washingtonian Magazine and Women's Health Magazine.
Dr. Isaacs' Philosophy of Care:
I strive to personalize the care of my patients by tailoring state-of-the-art therapy to their individual situations and by providing them with access to cutting-edge clinical trials. Equally important is that the care of my patients extends well beyond focusing just on the optimal therapy of their cancer. My approach to care is to relate to each of my patients as individuals in the context of their lives, and not solely based on the characteristics of their disease. To that end, I work with a wonderful and dedicated multidisciplinary group of expert colleagues who are deeply committed to and involved with our patients' care. The whole team is focused solely on breast cancer and includes medical oncologists, surgeons, radiation oncologists, breast imagers, and pathologists who are supported by an experienced team of clinical nurse coordinators, nurse navigators, research nurses, genetic counselors and social workers, all championing a multidisciplinary approach to breast cancer diagnosis, treatment and recovery. We are not treating a disease. We are treating a person and we are here to provide state-of-the-art medical treatment and to accompany that person navigates their cancer journey.
Clinical areas of focus
- Cancer Genetics Consultation
- Family History-Based Cancer Risk Assessment
- Genetic Testing For Cancer Patients
- Genetic Testing For Hereditary Cancer
Procedures I perform
- A1c Testing
- Abdominal Wall Biopsy
- Adjuvant Hormone Therapy
- Antiangiogenic Therapy
- Bladder Tumor Prevention
- Bone Biopsy
- Brca Gene Testing
- Breast Biopsy
- Breast Cancer
- Breast Cancer And Fertility
- Breast Cancer Chemoprevention
- Breast Cancer Pain Management
- Breast Cancer Screening
- Breast Cancer Treatment
- Breast Density Evaluation
- Breast Infection Treatment
- Breast Lift Surgery
- Breast Seroma Aspiration
- Ca 19-9 Test
- Cancer Genetics Consultation
- Cancer Risk Assessment
- Cea Testing For Colorectal Cancer
- Chemotherapy Administration
- Circulating Tumor Cell Monitoring
- Diagnostic Breast Imaging
- Diagnostic Mammography
- Digital Breast Tomosynthesis
- Ductal Carcinoma In Situ (DCIS) Surgery
- Family History-Based Cancer Risk Assessment
- Fine Needle Aspiration Biopsy
- Fish Testing For Breast Cancer
- Genetic Counseling
- Genetic Testing For Cancer Patients
- Genetic Testing For Down Syndrome
- Genetic Testing For Hereditary Cancer
- Genetic Testing For Stargardt Disease
- Genomic Testing For Cancer
- High-Risk Breast Lesion Management
- Hormone Replacement Therapy
- Immunotherapy
- Introduction Of Antineoplastic
- Liquid Biopsy
- Liver Biopsy
- Lymph Node Biopsy
- Lynch Syndrome Testing
- Mammaprint Testing
- Modified Radical Mastectomy
- Pathology Consultation
- Preventive Medicine Counseling
- Prophylactic Oophorectomy
- Psa Testing
- Risk-Reducing Mastectomy
- Risk-Reducing Salpingo-Oophorectomy
- Selective Estrogen Receptor Modulator (SERM) Therapy
- Targeted Genome Sequencing
- Tumor Immunohistochemistry
- Tumor Marker Testing
- Ultrasound
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.
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List of insurance plans we accept
- Healthy Blue (HMO, POS)
- Amerigroup DC Healthy Families
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- IH-Open Network Only Plus
- Kaiser Permanente Signature - Added Choice
- Choice POS II
- IH-Open POS II
- United Healthcare Select Plus (POS)
- Geisinger Medicare Advantage
- Great-West Healthcare POS/CIGNA
- Anthem BCBS Medi Blue Plus
- AMERIVANTAGE/Amerigroup Community Care
- Medicare FFS
- CareFirst MedStar Select PPO
- Sentara Health
- Employee Health Plan
- Coventry of Delaware HMO/PPO
- Anthem BCBS Medi Blue Dual Adv
- CIGNA HMO & Network (HMO)
- Cigna Achieve Medicare (HMO C-SNP)
- Options PPO Cardiac Global
- IH-Open EPO Plus
- Advantra Platinum (PPO)
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Aetna Classic 5000PD
- United Medicare Private Fee-for-Service (PFFS) plans
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- CIGNA Connect EPO
- United Healthcare Choice Plus
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- CIGNA PPO
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- IH-EPO Plus
- Private Fee-for-Service Plans (PFFS)
- Kaiser Permanente Flexible Choice 3-tier POS
- Humana Medicare Advantage - HMO Open Access
- Cigna Preferred Medicare (HMO)
- WellPoint Maryland - Maryland Health Choice
- Kaiser Permanente Select - Added Choice
- Aetna Medicare Advantage PFFS Plan
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- CIGNA SureFit (HMO)
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Kaiser Permanente Select Cardiac Global
- UHC Passport
- United Healthcare Options (PPO)
- Aetna Classic 3500
- Anthem BCBS of VA HealthKeepers (HMO)
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Cigna TotalCare (HMO D-SNP)
- Anthem BCBS Medi Blue SNP
- Cigna True Choice Medicare (PPO)
- Aetna Student Health Insurance
- Aetna Advantage 6350PD
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- HighMark
- Aetna Better Health of MD
- MedStar Family Choice DC Healthy Families
- United HealthCare Community Plan - Maryland Health Choice Program
- TriWest Healthcare Alliance
- CareFirst Administrators
- BlueChoice Open Access
- Anthem BCBS of VA HealthKeepers Plus
- Kaiser Permanente Medicare Advantage Signature and Select
- CareFirst Community Health Plan of MD
- Priority Partners - Maryland Health Choice
- CareFirst NASCO
- IH-Open HMO Option
- United Healthcare Community Plan - VA Medicaid MCO
- United Healthcare Select HMO - EPO/NPP
- Coventry Health Care of Virginia
- CIGNA PPO Plus
- Aetna Basic
- United Healthcare Choice Plus Cardiac Global
- Humana Gold Plus HMO
- Choice POS
- IH-Open HMO
- IH-POS
- Kaiser Permanente Select
- IH-HMO
- United Healthcare Navigate Cardiac Global
- NYC Medicare Advantage Plus
- Beech Street PPO
- Navigate
- Police and Fire Clinic
- TRICARE for Life East
- CareFirst Blue Preferred PPO
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Aetna Traditional Choice (PPO)
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- UnitedHealthcare and AARP Medicare Complete Plans
- Choice Fund PPO
- Health Services for Children with Special Needs
- Coventry Health Care National Network PPO
- CareFirst Dual Prime HMO-SNP
- CareFirst Maryland Indemnity or PPO
- AmeriHealth Caritas DC Healthy Families
- CareFirst Group Medicare Advantage
- Optima Family Care MCO - VA Medicaid MCO
- MultiPlan, Inc
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- M.D. IPA Preferred (POS)
- DC/MD SHOP QHP Small Business Plans
- CareFirst Maryland Point of Service Plan
- Aetna Better Health of VA
- Alterwood Advanatge HMO & DSNP Plans
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Jai Medical Systems - Maryland Health Choice
- Aetna Open Choice (PPO)
- United Healthcare Choice
- Lasso Healthcare - Medicare Medical Savings Account
- Johns Hopkins Advantage MD HMO
- Aetna Managed Choice (POS)
- Johns Hopkins Advantage MD PPO
- Aetna Quality Point of Service (POS)
- Maryland Physicians Care MCO
- CareFirst Federal Employee Program (Std. & Basic PPO)
- CIGNA POS/Network POS
- IH-Indemnity
- TRICARE East Prime
- Network OA
- CIGNA HMO Open Access
- Tricare Reserve Select
- Aetna Elect Choice/ Open Access (POS)
- CareFirst Blue Card Program
- CareFirst BlueChoice HMO
- Private Health Care Systems (PPO)
- Aetna Medicare Advantage HMO & PPO Plans
- Optimum Choice
- Amerigroup DC Alliance
- Aetna Advantage 5750
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Erickson Advantage Plans
- Kaiser Permanente HMO Plus and DHMO Plus Member
- First Health PPO
- Cigna Alliance Medicare (HMO)
- Select HMO/HealthFund/Health Network
- United Healthcare Choice Cardiac Global
- MedStar Family Choice - Maryland Health Choice
- Johns Hopkins Advantage MD PLUS PPO
- CIGNA Indemnity
- Aetna Classic 5000
- Humana Medicare Advantage - PPO
- Aetna VA Exchange
- Magellan Complete Care of VA - VA Medicaid MCO
- Choice POS II Open Access
- Choice Care Network/HUMANA (PPO)
- Anthem Federal Employee Program Basic
- CareFirst Blue Choice Opt Out Open Access
- HealthyBlue PPO
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Kaiser Maryland Medicaid MCO
- HumanaChoice Honor's plan PPO
- IH-POS Plus
- IH-Network Only Plus
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Veterans Affairs Community Care Network
- HumanaChoice PPO
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Medicare Advantage - Advantra Value (PPO)
- Medicare Direct
- Cigna True Choice Plus Medicare (PPO)
- POS OA
- M.D. IPA (HMO)
- MedStar Family Choice DC Healthcare Alliance
- Aetna Premier 200PD
- Mamsi Life & Health (Indem./PPO)
- CareFirst MedStar PPO
- First Health PPO
- Aetna Managed Choice Open Access (POS)
- CIGNA EPO
- OCI Direct (HMO)
- Kaiser Permanente Medicare Plus
- Core Essential (HMO)
- IH-Open POS Plus
- Aetna Worker's Compensation Network
- Aetna Advantage 6350
- United Student Resources
- UnitedHealthcare Individual Exchange Plans
- Anthem Federal Employee Program Standard
- Aetna HMO
- OA Plus
- Aetna Signature Administrator PPO/TPA
- Optimum Choice Preferred (POS)
- AmeriHealth Caritas DC Healthcare Alliance
- Kaiser Permanente Signature
- CareFirst EPO
- CareFirst (NCA) Indemnity
- IH-PPO
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Uniformed Services Family Health Plan
- Blue Choice Advantage
- CareFirst FEP Blue Focus
- TRICARE East Select
Videos
Education
Board Certification: American Board of Internal Medicine, Medical Oncology
Fellowship: Georgetown University School of Medicine GME (1993)
Fellowship: McGill University (1992)
Residency: McGill University Faculty of Medicine (1990)
Internship: Montreal General Hospital (1988)
Medical School: McGill University (1987)
Awards
- Washingtonian Top Doc 2025 America’s Top Doctors for Women, Women’s Health Magazine
- Marquis Who’s Who in America
- America’s Top Doctors, Castle Connolly
- Newsweek’s Top Cancer Doctors
- Top Doctors Washington DC, Washingtonian Magazine
- Global Directory Top Doctors
- Global Directory of Who’s Who
- Top Doctors Washington DC Area, Northern Virginia Magazine
- Estelle Ramey Mentorship Award, Georgetown University School of Medicine