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 / MI

MARY CHAO, DO

INTERNAL MEDICINE

Medical school: MICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE

Graduated: 2004

Offers telehealth

NPI: 1881814002

Practice Locations (1)

MCLAREN GREATER LANSING

1540 LAKE LANSING RD

LANSING, MI 489123757

Source: CMS National Downloadable File, September 2026.