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

MARIA S KOEN, NP

NURSE PRACTITIONER

Graduated: 2006

Offers telehealth

NPI: 1891833935

Practice Locations (2)

JOSLIN CLINIC INC

1 JOSLIN PL

BOSTON, MA 022155306

6177322400

HARVARD MEDICAL FACULTY PHYS AT BETH ISRAEL DEACONESS MED CTR INC

330 BROOKLINE AVE

BOSTON, MA 022155400

6177548612

Source: CMS National Downloadable File, September 2026.

MARIA KOEN, NP | HealthCareAtlasUSA