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 / IL

HIRAM A GAY, MD

RADIATION ONCOLOGY

Medical school: UNIVERSITY OF PUERTO RICO SCHOOL OF MEDICINE

Graduated: 2000

NPI: 1720045297

Practice Locations (2)

WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS INC

6 MEMORIAL DR, BLDG C

ALTON, IL 620026751

6184337979

WASHINGTON UNIVERSITY

4921 PARKVIEW PL, LOWR LVL

SAINT LOUIS, MO 631101032

3143629715

Source: CMS National Downloadable File, September 2026.

HIRAM GAY, MD | HealthCareAtlasUSA