Est. 1987

Office Hours

  • Ascension Crittenton
  • Beaumont Troy
  • McLaren Greater Lansing
  • McLaren Lapeer
  • ​McLaren Oakland

Visit our Patient Portal:

ATTENTION: As of July 15, 2018, our Washington office and sleep center location has closed! The new address is:
75 Barclay Circle, Rochester Hills, Michigan 48307. The pulmonary clinic is in Suite 205 and the Sleep Center is in Suite 220.

​​​Rochester (248) 651-6430

Lapeer (810) 667-3111

Lansing (517) 853-5550

Washington Sleep Center (586) 207-1247

Hospital Affiliations

Mazen Sabbaq, M.D.

Dr. Sabbaq is board certified in internal, pulmonary, critical care, and sleep medicine. He earned his medical degree at Damascus University Faculty of Medicine in Syria. His internal medicine residency was completed at Englewood Hospital and Medical Center in Englewood, New Jersey and his pulmonary, critical care, and sleep fellowships at the NYU School of Medicine in New York City, New York. ​He joined PACCSA in 2007.


  • Mondays, Wednesdays, and Thursdays


  • Tuesdays


  • N/A