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

MARTHA HARTZ, MD

PEDIATRIC MEDICINE

Graduated: 1988

Also: ALLERGY/IMMUNOLOGY

NPI: 1679550206

Practice Locations (1)

MAYO CLINIC

200 1ST ST SW

ROCHESTER, MN 559050001

5072842511

Source: CMS National Downloadable File, September 2026.

MARTHA HARTZ, MD | HealthCareAtlasUSA