Our Services

Dr. Paul Feil is a third generation New Mexican. His medicine and pulmonary fellowship was in Albuquerque at UNM hospital from 1978 thru 1982. He holds a medical degree from Washington University of St.Louis, Missouri. He has practiced Pulmonary and Sleep Medicine in Las Cruces since 1982. He is an active fellow in the American Academy of Sleep Medicne. He participated in the founding of Sleep Lab of Las Cruces in 1995. He assumed ownership and guidance of the lab 2001-2014. Sleep lab of Las Cruces became a partnership in 2014 with Dr. Charlton. Dr. Feil has special interests in lung physiology at altitude and sleep experiences at altitude. His medical research experiences occured at 14400 ft on Denali in Alaska and Nepal at 5000 meters.

Over 10,00 sleep tests have occurred under his guidance. He is able to converse en espanol e ingles.


Dr. Charlton is a native New Mexican, born and raised in Bosque Farms. He attended New Mexico State University, receiving bachelor’s degrees in Biology and Psychology. After graduating from the University of Wisconsin Medical School in Madison he returned to the warmer climate of the desert southwest, completing an Internal Medicine internship in Tucson, Arizona followed by Neurology residency training and fellowships in Clinical Neurophysiology and Sleep Medicine at the University of New Mexico. He has been in Las Cruces since 2007.

Dr. Charlton is board certified in Neurology and Sleep Medicine. He is currently practicing Sleep Medicine full-time and has interests in narcolepsy and the various parasomnia disorders including REM behavior disorder.   


About Our Staff

(Left to right- Sylvia, Gina, Andrea, Patricia, Cynthia and Abe)

Sleep Lab of Las Cruces employs Registered Polysomnograpers to score sleep studies. This assures that each patient receives the most accurate diagnosis. Our RSPGT staff is certified through the Atlanta School of Sleep Medicine after stringent training and testing. Our night staff is overseen by a licensed Respiratory Therapist. All Sleep technicians are trained according to standards set by the American Academy of Sleep Medicine. Our staff training and competence exceeds standards set by state and national recommendations.


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