Hematology/Oncology fellow works with a patient at Mayo Clinic in Scottsdale, Arizona.
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Hematology and medical oncology are among the most dynamic specialties of internal medicine. Advances in basic and clinical biomedical research, which will only further evolve in the coming decades, make this fellowship exciting from both the clinical and research perspectives.

The three-year Hematology/Oncology Fellowship at Mayo Clinic in Phoenix/Scottsdale, Arizona, trains outstanding specialists in the fields of hematology and oncology who, at the end of three years, demonstrate clinical expertise in the evaluation and treatment of hematologic and oncologic diseases through supervised intensive care of inpatients and longitudinal care of outpatients.

Video: The Arizona Experience


Video: The Arizona Experience

Unique program opportunities include:

  • Well-rounded clinical training
  • Opportunities to work alongside world-class investigators in a collegial environment
  • Training to be superior specialists who will be prepared for careers in clinical practice or academic medicine
  • Multidisciplinary approaches to patients with hematologic and oncologic disorders
  • Research options in hematology, oncology, or basic science
  • Opportunities to teach Mayo Clinic Alix School of Medicine students, visiting students from other medical schools, and internal medicine residents
Hematology/Oncology Fellowship (Arizona) Director Dr. Jose Leis.

Your training experience

As a fellow at Mayo Clinic, you'll have access to robust clinical, educational, and research resources. You'll find support both inside and outside of the campus to promote physical and mental wellness and ensure your work/life balance.

Talal Hilal, M.D.

Director's welcome

Our fellowship program is designed to provide a comprehensive and immersive experience that will equip you with the tools to provide exceptional patient care and jump-start your career in the fields of hematology and oncology. Our alumni have gone on to pursue various career trajectories including academic practice, community practice, and industry.


This training program fulfills the requirements for training as stated by the American Board of Internal Medicine and is accredited by the Accreditation Council for Graduate Medical Education (ACGME).


Upon completion of the fellowship, you will be eligible to take the American Board of Internal Medicine's subspecialty examination in hematology and medical oncology.

Program history

The Hematology/Oncology Fellowship at Mayo Clinic in Phoenix/Scottsdale, Arizona, began in 2006. We anticipate that two trainees will complete this program annually.

Separate hematology and oncology fellowships are also offered at these Mayo Clinic locations:

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