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