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 / MA

OMAR D SANTOYO PACHECO, MD

INTERNAL MEDICINE

Graduated: 1997

NPI: 1467695387

Practice Locations (2)

MERCY INPATIENT MEDICAL ASSOCIATES INC

233 CAREW ST, SUITE 101

SPRINGFIELD, MA 011042377

4137489212

MERCY INPATIENT MEDICAL ASSOCIATES INC

271 CAREW ST

SPRINGFIELD, MA 011042377

4137489321

Source: CMS National Downloadable File, September 2026.