Jonathan Leventhal, MD

Assistant Professor of Dermatology; Associate Director of Residency Program, Dermatology; Director of Onco-Dermatology Clinic; Department of Dermatology

Departments & Organizations

Dermatology: Medical Dermatology: Yale Dermatology Associates

Yale Cancer Center: Cancer Immunology | Melanoma Program | Onco-Dermatology Program

Yale Medicine


Jonathan Leventhal, MD, is the director of the Onco-Dermatology Program at Smilow Cancer Hospital at Yale New Haven. He treats patients undergoing cancer treatment who experience itchy or painful rashes, as well as hair and nail changes that can result from either their disease or treatment, including chemotherapy, immunotherapy, radiation or stem cell transplantation. 

“One of the most rewarding aspects of my job is improving the quality of life for patients with cancer who are affected by adverse skin events,” he says.

Seeing an onco-dermatologist like Dr. Leventhal can make the difference between a patient being able to continue receiving a cancer treatment or having to be taken off it when the skin conditions become too severe. “If left untreated, some skin, hair and nail conditions can become quite debilitating, even disfiguring and may negatively impact health and ability to perform day-to-day activities,” says Dr. Leventhal. He helps to manage these skin problems so that patients with cancer can continue their treatments and enjoy a better quality of life.

In addition to his role at Smilow, Dr. Leventhal, an assistant professor of dermatology and associate director of the residency program at Yale School of Medicine, cares for patients with a wide range of skin conditions in Yale Medicine Dermatology’s New Haven and Branford locations. He performs routine skin cancer screening examinations and also treats general skin problems—from acne to psoriasis to eczema.

"Every day I am excited to come to work, treating various skin conditions affecting my patients and helping patients with cancer continue their potentially life-saving treatments,” says Dr. Leventhal. “Skin diseases can impact the way people see themselves and can affect how people feel, both physically and emotionally. My work is particularly gratifying when I can improve my patients' overall comfort, happiness and health.”

Education & Training

MD New York University (2012)
Resident Yale University School of Medicine
Intern NYU Winthrop Hospital
Board Certification AB of Dermatology, Dermatology (2016)

Honors & Recognition

  • Medical Education Fellowship (2018)

  • Hugh L. Dwyer Memorial Fund Award for Clinical Excellence (2015)

Professional Service

  • New England Dermatological Society (2018 - Present) Treasurer

  • Women's Dermatologic Society (2018 - Present) Young Physician Representative

  • American Academy of Dermatology (2016 - Present) Fellow

  • Medical Dermatology Society (2016 - Present) Member

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Contact Info

Jonathan Leventhal, MD
Patient Care Locations
Yale Dermatology AssociatesDoctors Building
2 Church Street South

New Haven, CT 06519
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Onco-Dermatology Clinic, Smilow Melanoma ProgramSmilow Cancer Hospital at Yale New Haven
35 Park Street

New Haven, CT 06511
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Yale Dermatology - BranfordYale Dermatology - Branford
322 East Main Street

Branford, CT 06405
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Mailing Address
Dermatology15 York Street, LMP 5040
New Haven, CT 06510