Wassim M Mchayleh MD MBA,FACP
Breast Cancer
Medical director, Breast oncology
601 East Altamonte DriveSuite 100Altamonte Springs, FL 32701
Overview of Dr. Mchayleh
Wassim Mchayleh, MD, is an oncologist based in Altamonte Springs, FL, specializing in breast cancer and hematologic oncology. He completed his medical education at St Joseph's University Medical School, followed by an internal medicine residency at George Washington University and a fellowship in hematology and medical oncology at UPMC Medical Education. He also holds an MBA in Healthcare Management from Ohio University. Since 2020, he has been working as a hematologist/oncologist at AdventHealth. Dr. Mchayleh has contributed to several publications on topics such as breast cancer and CAR T-cell therapy, and he has actively participated in clinical trials related to breast cancer treatment. He has received recognition such as the CMS Meaningful Use Stage 1 Certification and other distinguished awards.
Education & Training
Ohio universityMBA, Healthcare Management , 2014 - 2016
UPMC Medical EducationFellowship, Hematology and Medical Oncology, 2006 - 2009
George Washington UniversityResidency, Internal Medicine, 2003 - 2006
St Joseph's University Medical SchoolClass of 2002
Certifications & Licensure
FL State Medical License 2012 - 2028
GA State Medical License 2009 - 2028
IL State Medical License 2019 - 2020
PA State Medical License 2006 - 2014
DC State Medical License 2004 - 2006
VA State Medical License 2005 - 2006
American Board of Internal Medicine Hematology- American Board of Internal Medicine Medical Oncology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification ARIA Oncology Information System (for Medical Oncology), Varian Medical Systems, 2016-2017
- Distinguished clinician and research award Georgia core, 2011
- ASCO award ASCO, 2007
Clinical Trials
- Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25 Start of enrollment: 2023 Oct 18
- EXActDNA-003 / NSABP B-64: Study of Molecular Residual Disease Detection in Breast Cancer (MRD) Start of enrollment: 2024 Jun 07
- Open-Label Umbrella Study To Evaluate Safety And Efficacy Of Elacestrant In Various Combination In Participants With Metastatic Breast Cancer Start of enrollment: 2023 Jan 24
Publications & Presentations
PubMed
- Whole-genome sequencing-based tumor-informed circulating tumor DNA monitoring for early detection of recurrence in patients with solid tumors.Mridula George, Gary S Schwartz, Wassim McHayleh, Vitaly Margulis, Hideaki Bando
The Oncologist. 2026-10-07 - Elacestrant in Combination with Everolimus for Estrogen Receptor-Positive, HER2-Negative Previously Treated Advanced Breast Cancer: Results from ELEVATE.Hope S Rugo, Sara M Tolaney, Nancy Chan, Giuliano Borges, Rinat Yerushalmi
Clinical Cancer Research. 2026-08-24 - Response to Zona, E.E.; Israel, J.S. Toward Individualized Management: A Commentary on Perioperative Systemic Therapy Guidelines in Breast Cancer Surgery and Reconstru...Mariem Galuia, Julia Fedorova, Eleftherios Mamounas, Sabrina Pavri, Sarfraz Ahmad
Current Oncology. 2026-08-03
Press Mentions
Tackling “The Biggest Question That Everyone Is Asking” In Breast Cancer CareMarch 23rd, 2026- Central Florida Hospital Pioneers New Clinic to Fight Breast CancerOctober 31st, 2025
- Are Oral SERDs About to Transform Breast Cancer Care?July 17th, 2025
Committees
- Chair, Clinical Pathways 2024 - 2026
Research History
- Breast cancer research directorLeads breast cancer research2021 - 2027
Professional Memberships
- Fellow
- Member
- Member
- Member
Other Languages
- Arabic, French
Insurance Accepted
- Aetna Choice POS II
Aetna HMO
BCBS Blue Card PPO
BCBS Georgia Blue Choice HMO
BCBS Georgia Blue Open Access POS
BCBS Georgia BlueChoice Option POS
CIGNA HMOFirst Health PPO
Humana ChoiceCare Network PPO
Multiplan PHCS PPO
Multiplan PPO
United Healthcare - Direct Choice Plus POS
United Healthcare - Direct Options PPO - Please verify your coverage with the provider's office directly when scheduling an appointment
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