Integrative Medicine Fellowship Program

Application Information

Applications for the academic year July 2023-2024 will be accepted until October 1, 2022.

The First Integrative Medicine Fellowship of Its Kind

Thomas Jefferson University’s Department of Integrative Medicine & Nutritional Sciences and The Marcus Institute of Integrative Health offers a unique one-year, full-time fellowship in Integrative Medicine. Qualified applicants are graduates of an ACGME-accredited residency program who are board-certified in their area of specialty, or plan to board certify during the fellowship. This fellowship has been approved by the American Board of Physician Specialties (ABPS) to meet all the requirements of the American Board of Integrative Medicine (ABOIM). Completion of the fellowship program provides fellows with eligibility to take the ABOIM board examination and to apply for board certification.

Our faculty are trained in both conventional and integrative practices. Our curriculum is based on core knowledge of Integrative Medicine using ABOIM exam content areas as a foundation. The curriculum is diverse, with clinical, didactic and research components. 


  • Rotations with Marcus Institute attending physicians at both our Villanova and Center City sites, including elective experiences outside of the Marcus Institute
  • Serve on our Inpatient Oncology Consultation Service
  • Fellows will gain knowledge in:
  • Women’s Health
  • Men’s Health
  • Integrative Psychiatry
  • Integrative Nutrition
  • Weight Management
  • Regenerative and Hormonal Therapies
  • Mind Body Therapies
  • Exposure to other approaches, including hypnosis and NET
  • Imaging & Research


  • Attend monthly Journal Club, Grand Rounds, and Clinical Conference sessions
  • Engage in monthly Wellness Seminars and Didactics
  • Learn and participate in our eight-week Mindfulness-Based Stress Reduction program
  • Participate in our Foundations in Mind-Body Medicine Course
  • Participate in our Advanced Concepts in Integrative Nutrition course
  • Assist in teaching Integrative Medicine Courses and the Healers Art Curriculum for Medical Students. 

Research can be designed for your area of interest in the field, or choose from one of many opportunities in innovative research in Integrative Health and Medicine.


To apply to the Integrative Medicine Fellowship program; please email the following application materials to Oia Cassar, Fellowship Coordinator:

  • Completed application (download via the "Fellowship Application (PDF)" button above)
  • Current curriculum vitae (include all activities since medical school graduation with month/year format)
  • Copy of medical school transcript
  • Copy of USMLE or COMLEX scores
  • Copy of ECFMG Certificate, if applicable
  • Three letters of reference
  • Copy of your current medical license
  • Personal statement describing your background, your interest in integrative medicine and your career goals

About Jefferson

Jefferson began as a single hospital in 1825, and in 1877 it became one of the first teaching hospitals in the nation. And while our distinguished history is the bedrock of our reputation, it is our unwavering focus on the future that makes us stand out.  In 2019 Sidney Kimmel Medical College launched the Department of Integrative Medicine and Nutritional Sciences, the first department of its kind at an academic medical school. Our fellowship in Integrated Medicine is one of the nearly 950 fellowships and residencies at Jefferson.

About The Marcus Institute

The Marcus Institute of Integrative Health, Thomas Jefferson University and Jefferson Health, includes two full-service clinics for medical consultations, a unique pharmacy-certified micronutrient infusion center; a wellness center specializing in fitness and mindfulness programs; a state-of-the-art imaging facility that includes MRI, fMRI, and PET imaging. The Marcus Institute sees a wide range of patients and offers chronic illness care, preventive medicine, and numerous wellness services. Our physicians are credentialed by Jefferson and they have advanced integrative medicine training in a wide range of approaches, including functional medicine, mind-body therapies, nutritional therapies and natural remedies, body work. The Marcus Institute has one of the largest Mindfulness-Based Stress Reduction (MBSR) programs in the country and a robust research program with seven active clinical trials and multiple ongoing research projects.

Meet Our Fellows

Leigh Ocker, DO, MPH
Integrative Medicine Fellow, 2022-2023 

Dr. Ocker completed her residency in Psychiatry at Thomas Jefferson University Hospital, where she served as Outpatient Chief Resident.  She received her DO from the Philadelphia College of Osteopathic Medicine and her MPH from Emory University. Dr. Ocker’s areas of interest include women’s mental health, therapeutic lifestyle changes, and integrative medicine’s role at a policy level. 

Nate Handley, MD, MBA
Integrative Medicine Fellow, 2022-2023

Dr. Handley is a medical oncologist focused on the development of patient-centered models of whole person cancer care. He is Assistant Professor of Medical Oncology and Integrative Medicine and Nutritional Sciences at Thomas Jefferson University. He received his MD from the University of Minnesota School of Medicine, where he was elected into Alpha Omega Alpha and the Gold Humanism Honor Society. He completed residency in Internal Medicine at the University of California-San Francisco, followed by fellowship in Hematology and Oncology at the University of Pennsylvania. He received his MBA in Healthcare Management from the Wharton School of the University of Pennsylvania. He is particularly interested in the role of mindfulness practices for patients with cancer. 

Amber Majid, DO
Integrative Medicine Fellow, 2022-2023

Dr. Majid graduated from the Philadelphia College of Osteopathic Medicine in 2013 and went on to complete her Internal Medicine Residency at Hahnemann University Hospital in 2016. Dr. Majid has since been working as a Board Certified Internist in Camden, New Jersey, and is affiliated with multiple hospitals in the area. In recent years, Dr. Majid has won several awards including the Instructor of Medicine Award and the Hospitalists of the Quarter Award.