Choose Location

We provide care in three easily-accessible locations across the Rio Grande Valley.


1604 East 8th St., Suite A
Weslaco, TX
Phone: (956) 447-5557


5300 North McColl Rd., Suite 100
McAllen, TX
Phone: (956) 630-1000


1022 E. Griffin Pkwy.
Mission, TX 78572
Phone: (956) 833-6000

About Us

Joseph Pean, MD

Secondary and Baccalaureate:

  • Institut St. Louis de Gonzague, Port au Prince, Haiti 1965 to 1968
  • College Notre Dame, Cap Haitien, Haiti 1968 to 1972

Medical School:

  • Universidad Veracruzana, Facultad de Medicina, Unidad de Ciencias de la Salud Poza Rica, Ver. Mexico 1973 to 1980

Born in Haiti, Dr. Pean obtained his pre-med education in Haiti from 1965-1972. From 1973-1980, he received his medical school training at Universidad Veracruzana, Facultad de Medicina, Unidad de Ciencias de la Salud Poza Rica, in Veracruz, Mexico.

Post-doctoral training includes a Residency in Internal Medicine from 1981-1984 at Mount Carmel Mercy Hospital in Detroit, Michigan, at which he was Chief Resident from 1984-1985. Additional post-doctoral training occurred in a Clinical Fellowship in Pulmonary Medicine at Wayne State University in Detroit from 1985-1987; a Research Fellowship in Pulmonary Pathophysiology from the University of Texas Southwest Medical Center in Dallas (1987-1990), and a Critical Care Fellowship in Internal Medicine from 2006-2007 at Saint Louis University/St. John Mercy Medical Center in Saint Louis, Missouri.

Professional appointments include a long string of medical school and health science center appointments in Texas, Indiana, and most recently medical professorships at UTHSCSA’s Regional Academic Health Center (RAHC) in Harlingen from 1999-2014, including an Adjunct Faculty appointment at UTRGV from 2014-present. Other appointments have included Associate Program Director in Internal Medicine at UTHSCSA, RAHC, from 2005-2007; and Medical Director of the ICU at Valley Baptist Medical Center in Harlingen from 2007-2014.

He holds board certifications from the American Board of Internal Medicine (ABIM) in Internal Medicine, Pulmonary Diseases and Critical Care Medicine; and in Neurocritical Care from the UCNS. Dr. Pean has been the recipient of multiple honors and awards, including an NIH Research Fellowship from the University of Texas, Southwestern Medical Center; the Will Rogers Research Fellowship; and fellowships from the American College of Chest Physicians and the American College of Physicians. He is currently a member of the Society of Critical Care Medicine, American Thoracic Society, American Physiological Society, European Society of Intensive Care Medicine, European Respiratory Society, and the Neurocritical Care Society.

His primary areas of interest are respiratory muscle physiology, peripheral tissue blood flow and gas exchange, acute and chronic respiratory failure, exercise physiology, and pulmonary function during sleep.

Most of Dr. Pean’s investigative work has been published in the Journal of Applied Physiology.

Hobbies include jogging, cycling, and listening to reggae music and jazz.

Our Staff

Employing state-of-the-art technology and updated diagnostic and treatment algorithms, our highly trained staff is dedicated
to provide accurate diagnoses and optimally-effective treatments for the full range of pulmonary and sleep disorders.
Their decades of combined expertise and commitment to personalized treatment ensure that each
of our clients receives the care they need to maximize their pulmonary and sleep health.