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

HELEN E CALLAHAN, NP

NURSE PRACTITIONER

Graduated: 2004

NPI: 1215937883

Practice Locations (1)

TUCSON PHYSICIAN GROUP HOLDINGS LLC

4892 N STONE AVE, SUITE 100

TUCSON, AZ 857045761

5203961360

Source: CMS National Downloadable File, September 2026.

HELEN CALLAHAN, NP | HealthCareAtlasUSA