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

MARIAN ISAAK, MD

INTERNAL MEDICINE

Graduated: 2021

NPI: 1083340004

Practice Locations (1)

WESTERN MASS PHYSICIAN ASSOCIATES INC

2 HOSPITAL DR, SUITE 101

HOLYOKE, MA 010406616

4135368924

Source: CMS National Downloadable File, September 2026.

MARIAN ISAAK, MD | HealthCareAtlasUSA