Jeffrey Riker, MD

Dr. Jeffrey Riker has been practicing pulmonary, critical care and internal medicine at Long Beach Memorial Hospital since 1972. He has been the Medical Director of Respiratory Care Services for 41 years. Dr. Riker served as the Medical Director of the Medical Intensive Care Unit for 26 years, since it's inception in 1973. He is especially interested in helping patients with chronic lung disease to function at the best possible level by assisting them to be knowledgeable, active participants in their own care.

To that end, he has been especially pleased to have helped develop and direct the Pulmonary Rehabilitation Program and the Adult Cystic Fibrosis Center at Long Beach Memorial Medical Center.

He has enjoyed and benefitted from Long Beach Memorial's affiliation with the U.C. Irvine School of Medicine. He serves as a Clinical Professor of Medicine and Director of the Pulmonary Critical Care Fellowship Program and has held positions as Chief of the Department of Medicine and Vice Chief of Staff and served for two years as the President of the Long Beach Lung Association. Dr. Riker is also the director of the Adult Pulmonary Fellowship Program on the Long Beach Memorial Campus.

As a specialist, Dr. Riker may not be selected as a primary care physician. Dr. Riker accepts patients age 18 and over.

This physician is a member of MemorialCare Physician Society which drives clinical outcomes and performance for MemorialCare Health System.

This physician or health care professional uses an electronic medical record system.
This physician or health care professional uses myMemorialCare to access and store patient health information via the Epic ambulatory electronic medical record system. Patients of this practice may also securely view their health information online via myMemorialCare (MyChart), Epic’s patient portal.


  • Pulmonology
  • Critical Care Medicine


Medical Education
Harvard University Medical School
Date Completed:
Harvard Medical Unit - Boston City Hospital
Date Completed:
Albert Einstein College of Medicine - Bronx Municipal Hospital Center
Date Completed:

MemorialCare Hospital Affiliations

MemorialCare Network

Health Plans

Accepts most major HMO, PPO, EPO and POS health plans
Accepting New Patients: