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 / AZ

ROLAND HAJ, DO

GENERAL SURGERY

Graduated: 2015

NPI: 1578943585

Practice Locations (3)

SIERRA VISTA REGIONAL HEALTH CENTER MEDICAL GROUP LLC

5700 E HWY 90, FL 4

SIERRA VISTA, AZ 856359110

5204173835

SIERRA VISTA REGIONAL HEALTH CENTER MEDICAL GROUP LLC

75 COLONIA DE SALUD

SIERRA VISTA, AZ 856352485

SIERRA VISTA REGIONAL HEALTH CENTER MEDICAL GROUP LLC

7 N SAN DIEGO ST

TOMBSTONE, AZ 856380406

5204572374

Source: CMS National Downloadable File, September 2026.