Gregory Rossini, M.D.

About me

Gregory Rossini, M.D. is a board-certified physician who specializes in critical care and pulmonary medicine with a particular interest in sleep medicine including sleep apnea, insomnia, restless legs syndrome and other sleep conditions. Dr. Rossini serves as the Medical Director of the Penn Medicine Lancaster General Hospital Sleep Medicine Center

Born and raised in Philadelphia, Pennsylvania, Dr. Rossini joined Pulmonary Associates of Lancaster in 2000 and is an owner and partner o f the practice.

In his free time, Dr. Rossini enjoys gardening, shooting hoops, watching sports, and spending time with his family and friends. He lives in Lancaster with his wife and children, and their Bichon Frise, Cosmo.


  • Hahnemann University School of Medicine

Residency & Fellowship

  • Temple University Hospital and Medical School
  • University of Maryland Medical Center

Board Certifications

  • Internal Medicine
  • Pulmonary Medicine
  • Critical Care Medicine
  • Sleep Medicine

Conditions I specialize in

  • Sleep Apnea
  • Insomnia
  • Idiopathic Hypersomnia
  • Bruxism (teeth grinding)
  • Delayed Sleep Phase
  • Narcolepsy
  • Restless Legs Syndrome
  • REM Sleep Behavior Disorder

Hospital Affiliations

  • Lancaster General Hosp ital


  • Healthgrades Honor Roll

Professional Memberships

  • American College of Chest Physicians
  • American Academy of Sleep Medicine

Contact Me

New patients and physicians referring a patient, call 717.826.9770

Dr. Rossini saw me the same day I called with difficuIty breathing and other issues. He helped with medicine changes and I'm feeling much better. Bless this practice for always going above and beyond for me. Thank you!”

A Grateful Patient