About Me

Patrick K. Griffith, M.D., FACS is a board-certified cardiothoracic surgeon who specializes in complex coronary, valve & thoracic aortic disease at MemorialCare Heart & Vascular Institute. He also serves as medical director, Adult Cardiac Surgery, MHVI at Saddleback Medical Center.

His clinical interests include valvular & complex coronary artery disease; thoracic aortic disease; cardiac physiology; preventative cardiology; and a minimally invasive surgery (MIVS) approach.

He received his medical degree from Washington University School of Medicine, a residency in general surgery at Georgetown University Medical Center followed by second residency in cardiothoracic surgery at University of North Carolina Medical Center at Chapel Hill. Dr. Griffith conducted extensive research on cardiac physiology and transplantation at the National Institutes of Health (NIH) afterwards and pursued his master’s in business from University of California, Irvine - The Paul Merage School of Business. Dr. Griffith is board-certified in cardiothoracic surgery by the American Board of Thoracic Surgery.

Dr. Griffith previously served as medical director, Heart & Vascular Institute, Adventist Health in Roseville CA and staff surgeon, cardiovascular & thoracic surgery at Kettering Medical Center in Kettering OH. He moved to MHVI at Saddleback Medical Center to champion clinical integration; standardization of clinical practices best practices for minimally invasive surgery; and oversee the STEMI Receiving Center at MHVI Saddleback Medical Center in collaboration with fellow practitioners.

He serves as a board member for the Beall Center for Innovation and Entrepreneurship and the dean’s advisory board for the University of California, Irvine - The Paul Merage School of Business.

Dr. Griffith finds immense satisfaction in witnessing the immediate and positive impact he can have on his patients and their loved ones.

Outside of medicine, Dr. Griffith relishes spending as much time as possible with his wife of 35 years and their two wonderful children. He enjoys reading, meditating, and exercising, including resistance training, aerobic workouts, and martial arts.



Provider Specialty

Cardiothoracic - Thoracic Surgery


Medical Education

Washington University School of Medicine, St. Louis MO

Residency – General Surgery

Georgetown University Medical Center, Washington DC

Residency – Cardiothoracic Surgery

University of North Carolina School of Medicine, Chapel Hill NC

Locations & Affiliations


MemorialCare Cardiothoracic Surgery - Saddleback Medical Center (Medical Office Tower)

24411 Health Center Drive

Suite 680

Laguna Hills, CA

Office: (949) 268-4568

MemorialCare Cardiovascular Surgery - Long Beach

2888 Long Beach Blvd.

Suite 165

Long Beach, CA

Office: (657) 241-9052

MemorialCare Cardiothoracic Surgery - Orange Coast Medical Center (Health and Wellness Pavilion)

18035 Brookhurst Street

Suite 1300

Fountain Valley, CA

Office: (657) 241-9440

Insurances Accepted

Aetna Commercial HMO
Anthem Commercial HMO
Anthem Vivity HMO
BlueShield Commercial HMO
Cigna Commercial HMO
Health Net Commercial HMO
UHC Harmony Commercial HMO
Cigna Value/Select HMO
UHC Commercial HMO
Anthem Pathway HMO
BlueShield Trio Commercial HMO
Aetna Medicare Advantage HMO
Alignment Medicare Advantage HMO
BlueShield Medicare Advantage HMO
Clever Care Medicare Advantage HMO
Humana Medicare Advantage HMO
SCAN Medicare Advantage HMO
UHC AARP Medicare Advantage HMO
UHC Harmony Medicare Advantage HMO
Aetna PPO
Anthem PPO
Blue Shield PPO
Cigna PPO
Health Net PPO
Humana PPO
United HealthCare PPO
TriCare West(HN)/TriWest Healthcare(BSC)
Centivo ACO