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

RUTH ROSS MCCORMACK, MD

INTERNAL MEDICINE

Medical school: WAKE FOREST UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1990

Also: GASTROENTEROLOGY

NPI: 1295835833

Practice Locations (6)

LAHEY CLINIC INC

37 BROADWAY

ARLINGTON, MA 024745552

7816410100

LAHEY CLINIC INC

41 MALL RD

Burlington, MA 018050001

LAHEY CLINIC INC

29 MALL RD

BURLINGTON, MA 018050001

LAHEY CLINIC INC

41 MALL RD

BURLINGTON, MA 018050001

BETH ISRAEL LAHEY HEALTH PRIMARY CARE, INC

41 MALL RD

BURLINGTON, MA 018050001

7817448000

BETH ISRAEL LAHEY HEALTH PRIMARY CARE, INC

15 RAILROAD AVE

SOUTH HAMILTON, MA 019822218

9784687381

Source: CMS National Downloadable File, September 2026.

RUTH ROSS MCCORMACK, MD | HealthCareAtlasUSA