Our Team
Since 1984, the Jefferson Sleep Disorders Center has used a uniquely multi-disciplinary and comprehensive approach that reflects
the often complex realities of sleep problems.
Our Center’s medical director is Karl Doghramji, MD, a Diplomate of the American Board of Sleep Medicine and the American Board of Psychiatry and Neurology. Dr. Doghramji works
in collaboration with two additional physician sleep specialists - Dimitri Markov, MD, a Diplomate of the American Board of Psychiatry and Neurology, and Ritu Grewal, MD, who is Board-certified in internal medicine, pulmonary medicine and critical care medicine – and a team of polysomnographic
technicians and administrative staff, all of whom are committed to delivering superior patient care.
Because sleep disorders aren’t limited to one traditional medical discipline, our Center continually interacts with experts
from other medical specialties – including psychiatry, psychology, oral and maxillofacial surgery, otolaryngology, pediatrics,
neurology, internal medicine and pulmonary medicine.
Learn more about the academic and research activities of the Sleep Disorders Center physicians.
Contact the Jefferson Sleep Disorders Center
If you or your physician feel you would benefit from a consultation at the Jefferson Sleep Disorders Center, you can schedule
an appointment by:
- Calling 1-800-JEFF-NOW (1-800-533-3669)
Thomas Jefferson University Hospital's Physician Referral Service
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- Speech or hearing impaired callers can access JEFF NOW® by calling 1-800-654-5984
- International callers please dial 1-215-955-0818
- Filling out our online appointment request form.
