OCLC Physicians

Founder and CEO of OCLC.

Dr. Alrajab is Board- Certified in Pulmonary, and Critical Care Medicine. Also certified in  Internal medicine, and Geriatrics medicine.     Special interest in interventional pulmonary, interstitial lung disease, asthma and COPD.

Dr. Simpson  is Board- Certified in Pulmonary,  Critical Care and Internal Medicine.   Special interest in  COPD, lung nodules, lung cancer, pulmonary embolism and intensive care. 

Dr. Abdelfattah is:

 Board-Certified in pulmonary, critical care, Internal Medicine and Sleep Medicine.  

Dr Abdelfattah has special interest in Asthma, bronchiectasis, and sleep medicine