Gonzalo Diaz, MD, FCCP, DBSM

Dr. Diaz received his training in sleep disorders medicine at the prestigious Montefiore Hospital at Albert Einstein School of Medicine in New York. He is trained in pulmonary medicine and has subspecialty certification in sleep disorders and pulmonary medicine. He served as Medical Director at Sierra Medical Center, Del Sol Medical Center, Providence Memorial Hospital and is currently Medical Director at El Paso Sleep Center.

Dr. Diaz is an AASM and ABIM-Certified Sleep Specialist and Associate Professor at Texas Tech University Health Science Center Paul L. Foster School of Medicine from the Department of Internal Medicine. He has a private practice focused on pulmonary medicine and sleep medicine and has taught fellows, medical students, resident physicians, respiratory/sleep technicians and students since 1985. He has published articles and is currently involved in clinical research in sleep disorders. His areas of special interest are obstructive sleep apnea, insomnia in adults and sleep disorders in children.


Dr. Monicke Magnon DNP, FNP-C, APRN, MSN, BSN

Monicke Magnon earned her Bachelor of Science degree in Nursing (BSN) from New Mexico State University in 2008. After a six-year hiatus from the academic world, she returned in 2014 to complete her Masters of Science degree in Nursing (MSN) with a Family Nurse Practitioner concentration at Texas Tech University Health Sciences Center in 2017.  She successfully passed the American Nurses Credentialing Center board certification examination in 2017, and in August of 2019, she joined the Doctor of Nursing Practice program at The University of Texas at El Paso where she utilized motivational enhancement therapy to improve CPAP compliance. 

In 2020, she was selected for the Paso del Norte Health Foundation Graduate Fellows Program award for Academic Excellence and Leadership.  She is a member of the Sigma Theta Tau International Honor Society of Nursing, a member of the American Association of Nurse Practitioners, a member of the Texas Nurse Practitioners Association, and a member of the American Academy of Sleep Medicine. 

After completing her BSN, she moved to Massachusetts, where she worked in several emergency departments across the state.  After six years, she returned to her hometown of El Paso, where she worked at the emergency department in the Hospitals of Providence Memorial Campus while completing her MSN.  She then began her career as a family nurse practitioner in sleep medicine at the El Paso Sleep Center. In 2020, she became responsible for managing all patients in El Paso implanted with Inspire, an upper airway stimulator that treats obstructive sleep apnea without a CPAP. She is the first provider in the state of Texas and New Mexico certified in Inspire’s Care Pathway. 

Monicke plans to stay in El Paso and use her newfound knowledge to improve her practice as a Family Nurse Practitioner at the El Paso Sleep Center to better serve the border community she calls home.

Joseph Arteaga, RST, RPsg.T., CSE. CCSH

Joseph graduated from the Stanford School of Sleep Medicine in 1985. He was one of the first 300 technologists in the United States to become a Registered Polysomnographic Technologist (R.Psg.T.). Joseph obtained his Registered Sleep Technologist (RST) credential 2011. In 2014, he acquired the Certified Clinical Sleep Educator (CSE) designation.

Arteaga is a member in good standing of the America Association of Sleep Technologist (AAST) since the 1986. Together with Dr. Gonzalo Diaz, M.D. they started the first Sleep Disorders Center in the El Paso area.

Joseph has been in the field of sleep medicine for over 30 years.  Prior, he gained expertise as a respiratory therapist, pulmonary technologist, EEG technologist and hyperbaric technologist as part of medical teams at several El Paso area hospitals.



Facility Member


Since 1977, the American Academy of Sleep Medicine (AASM) Standards for Accreditation have been the gold standard by which the medical community and the public evaluate sleep medicine facilities. Achieving AASM accreditation demonstrates a sleep medicine provider’s commitment to high quality, patient-centered care through adherence to these standards.

Phone: (505) 891-3344

Referral Fax: (505) 896-4499