David M. Raizen, MD, PhD, DABSM
Sleep Medicine
Accepting new patients
Sees patients age 18 and up
Penn Sleep Center Market Street
Schedule onlineCall 215-662-7772
Penn Medicine Provider

About me

  • Professor of Neurology

Education and training

  • Medical School: Southwest Texas State University
  • Residency: University of Pennsylvania Health System
  • Fellowship: University of Pennsylvania Health System

What my patients think about me

Average Rating

168 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

October 2025
thorough
September 2025
he keeps up to date on treatment modalities and is very willing to offer them when they present
September 2025
wonderfully person
September 2025
one of the best doctors i've ever had.

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Dr. Raizen is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Raizen David M, Zimmerman John E, Maycock Matthew H, Ta Uyen D, You Young-jai, Sundaram Meera V, Pack Allan I Lethargus is a Caenorhabditis elegans sleep-like state. , Nature, 451(7178): 2008,569-72

Nelson Mathew D, Trojanowski Nicholas F, George-Raizen Julia B, Smith Colin J, Yu C-C, Fang-Yen Christopher, Raizen David M The neuropeptide NLP-22 regulates a sleep-like state in Caenorhabditis elegans. , Nature communications, 4: 2013,2846

Nelson Matthew D, Lee Kun He, Churgin Matthew A, Hill Andrew J, Van Buskirk Cheryl, Fang-Yen Christopher, Raizen David M FMRFamide-like FLP-13 neuropeptides promote quiescence following heat stress in Caenorhabditis elegans. , Current biology, 24(20): 2014,2406-10

Trojanowski Nicholas F, Nelson Matthew D, Flavell Steven W, Fang-Yen Christopher, Raizen David M Distinct Mechanisms Underlie Quiescence during Two Caenorhabditis elegans Sleep-Like States. , The Journal of neuroscience, 35(43): 2015,14571-84

Yuan Jinzhou, Raizen David M, Bau Haim H Propensity of undulatory swimmers, such as worms, to go against the flow. , Proc Natl Acad Sci U S A., 112(12): 2015,3606-11

George-Raizen Julia B, Shockley Keith R, Trojanowski Nicholas F, Lamb Annesia L, and Raizen David M Dynamically-expressed prion-like proteins form a cuticle in the pharynx of Caenorhabditis elegans. , Biology Open, 3(11): 2014,1139-1149

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