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 / MO

NICHOLAS A GREINER, DO

SPORTS MEDICINE

Medical school: AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE

Graduated: 2008

Also: FAMILY PRACTICE

NPI: 1326200692

Practice Locations (1)

MERCY CLINIC EAST COMMUNITIES

15945 CLAYTON RD, SUITE 210

BALLWIN, MO 630112491

3148931360

Source: CMS National Downloadable File, September 2026.