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 / AZ

STEVEN ATER, DO

OBSTETRICS/GYNECOLOGY

Medical school: ARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY

Graduated: 2021

NPI: 1487238853

Practice Locations (1)

YUMA REGIONAL MEDICAL CENTER

2400 S AVE A

YUMA, AZ 853647127

9283442000

Source: CMS National Downloadable File, September 2026.

STEVEN ATER, DO | HealthCareAtlasUSA