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 / NV

JOHN K RYAN, MD

GASTROENTEROLOGY

Medical school: UNIVERSITY OF SOUTH CAROLINA SCHOOL OF MEDICINE

Graduated: 1995

Also: INTERNAL MEDICINE

NPI: 1073695698

Practice Locations (1)

KIM CHEN PLLC

9260 W SUNSET RD, SUITE 306

LAS VEGAS, NV 891484903

7024834483

Source: CMS National Downloadable File, September 2026.

JOHN RYAN, MD | HealthCareAtlasUSA