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

NATHAN ALYESH, MD

INTERNAL MEDICINE

Graduated: 2012

NPI: 1417362856

Practice Locations (2)

23622 CALABASAS RD, SUITE 122

CALABASAS, CA 913024144

8188818252

CEDARS-SINAI MEDICAL CARE FOUNDATION

18321 CLARK ST

TARZANA, CA 913563501

8188810800

Source: CMS National Downloadable File, September 2026.