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 / MN

GERARD L OHALLORAN, MD

OTOLARYNGOLOGY

Medical school: MAYO MEDICAL SCHOOL

Graduated: 1986

NPI: 1184684839

Practice Locations (1)

NORTHFIELD HOSPITAL

9974 214TH ST W

LAKEVILLE, MN 550441913

9524690500

Source: CMS National Downloadable File, September 2026.

GERARD OHALLORAN, MD | HealthCareAtlasUSA