HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

RYAN KLEIN, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE

Graduated: 1995

Also: PULMONARY DISEASE

NPI: 1184620866

Practice Locations (3)

HUNTINGTON BEACH INTERNAL MEDICINE GROUP INC

1501 SUPERIOR AVE, SUITE 111

Newport Beach, CA 926633661

HUNTINGTON BEACH INTERNAL MEDICINE GROUP INC

1501 SUPERIOR AVE, SUITE 111

NEWPORT BEACH, CA 926633661

9492748030

1501 SUPERIOR AVE, SUITE 202

NEWPORT BEACH, CA 926633640

9494844100

Source: CMS National Downloadable File, September 2026.