About Me

Dr. Samarjit Singh is a Pulmonary and Critical Care Physician affiliated with Orange Coast Memorial Medical Center and Saddleback Memorial Medical Center. He attended Guru Gobind Singh Medical College in India, and completed his residency at the University of California San Francisco Medical Education Program, Fresno, CA, in the Department of Internal Medicine and served as Chief Resident. He completed his fellowship training in Pulmonary/Critical Care Medicine at Harbor-UCLA Medical Center. He is Board Certified by the American Board of Internal Medicine in Critical Care Medicine, Pulmonary Disease, and Internal Medicine and is certified by UCNS in NeuroCritical Care.

Dr. Singh has published numerous articles in peer review journals, and has taught courses in the management of and interventions for acute and chronic lung disease and critical care medicine. He has been at the teaching program for four years prior to joining MemorialCare.


  • Pulmonary Medicine
  • Critical Care Medicine
  • Internal Medicine
  • Certified by UCNS in NeuroCritical Care


  • COPD
  • Pulmonary Hypertension
  • Lung Fibrosis
  • Asthma
  • Bronchiectasis
  • Lung Cancer
  • Lung Nodules
  • Pulmonary Embolism
  • Sleep Apnea

Procedures Performed

  • Bronchoscopy
  • Central EBUS for diagnosis and staging
  • Cardiopulmonary Exercise testing
  • Chest Tubes
  • Thoracentesis
  • Percutaneous Tracheostomy
  • PleurX Catheter
  • All Routine ICU Procedures

English, Hindi, Punjabi

Provider Specialty

Pulmonary Disease


Medical Education

Guru Gobind Singh Medical College

Locations & Affiliations


SoCal Respiratory Medical Group

9900 Talbert Ave., Suite 100

Fountain Valley, CA

Office: (714) 672-0049

Insurances Accepted

Anthem Commercial HMO
Cigna Commercial HMO
Aetna Commercial HMO
Health Net Commercial HMO
BlueShield Commercial HMO
UHC Commercial HMO
Aetna Medicare Advantage HMO
Alignment Medicare Advantage HMO
SCAN Medicare Advantage HMO
Health Net Medicare Advantage HMO
BlueShield Medicare Advantage HMO
Humana Medicare Advantage HMO
UHC AARP Medicare Advantage HMO
Anthem Pathway HMO
Anthem Vivity HMO
Cigna Value/Select HMO
UHC Harmony Commercial HMO
Anthem Pathway HMO (GNP)
BlueShield Trio Commercial HMO (GNP)
Cigna Value/Select HMO (GNP)
Aetna Medicare Advantage HMO (GNP)
UHC Harmony Commercial HMO (GNP)
Alignment Medicare Advantage HMO (GNP)
Anthem Vivity HMO (GNP)
Anthem Vivity HMO (GNP)
Clever Care Medicare Advantage HMO