Karen Brandt Onel, M.D.
Pediatric Rheumatology
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Karen Brandt Onel, M.D.

Pediatric Rheumatology

Profile Photo of Karen Brandt Onel, M.D.
Gender: Female
Language: English


Specialties and Expertise


  • Lupus
  • Juvenile Arthritis
  • Vasculitis
  • Uveitis
  • Chronic Osteomyelitis
  • Dermatomyositis
  • Periodic Fever Syndromes


Dr. Karen Onel is a professor of clinical pediatrics at Weill Cornell Medicine and Chief of Pediatric Rheumatology at the Hospital for Special Surgery. She is board certified in Pediatrics and Pediatric Rheumatology.

An expert in pediatric rheumatology, Karen Onel, MD, cares for children and teens with arthritis and other autoimmune disorders. In particular, she diagnoses and treats: lupus, juvenile arthritis, vasculitis, uveitis (an inflammatory disorder of the eye), chronic non-infectious osteomyelitis, dermatomyositis and the periodic fever syndromes. Her goal is to work with the patient and his/her family to create a long-term care plan that will lead to improved quality of life.

Dr. Onel's research focuses on gaining a greater understanding of the causes of rheumatic illnesses, as well as evaluating the safety and tolerability of new treatments. She is collaborating with other institutions to define evidence-based best treatment practices for children with JIA, SLE and recurrent non-infectious osteomyelitis.

Dr. Onel has authored numerous papers, reviews and book chapters on pediatric rheumatology. In addition, she serves as a reviewer for several scientific journals, including Arthritis and Rheumatism, Lupus, Seminars in Arthritis and Rheumatism and Pediatric Rheumatology.



Board Certifications

  • American Board of Pediatrics
  • American Board of Pediatrics (Pediatric Rheumatology)

Clinical and Academic Positions

  • Attending Physician - Hospital for Special Surgery
  • Attending Pediatrician - NewYork-Presbyterian Hospital
  • Professor of Clinical Pediatrics - Weill Cornell Medical College, Cornell University

Education and Training

  • M.D., Weill Cornell Medical College, Cornell University, 1989
  • B.A., Yale University, 1985


Insurance Plans Accepted

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Locations and Appointments

External Relationships

External Relationships

Relationships and collaborations with for-profit and not-for profit organizations are of vital importance to our faculty because these exchanges of scientific information foster innovation. As experts in their fields, WCM physicians and scientists are sought after by many organizations to consult and educate. WCM and its faculty make this information available to the public, thus creating a transparent environment.

No External Relationships Reported