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

THOMAS A GIONIS, MD

FAMILY PRACTICE

Medical school: MEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE

Graduated: 1975

NPI: 1780638049

Practice Locations (1)

AMERICAN SPECIALTY PHYSICIANS GROUP INC

173 E WEBSTER ST

COLUSA, CA 959322949

2092876308

Source: CMS National Downloadable File, September 2026.

THOMAS GIONIS, MD | HealthCareAtlasUSA