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 / CT

DIANE S MORGENTHALER, MD

INTERNAL MEDICINE

Medical school: MEDICAL COLLEGE OF PENNSYLVANIA

Graduated: 1988

NPI: 1578708111

Practice Locations (3)

MASHANTUCKET PEQUOT TRIBAL COUNCIL

75 NORWICH WESTERLY RD

LEDYARD, CT 063391146

MASHANTUCKET PEQUOT TRIBAL COUNCIL

75 ROUTE 2

LEDYARD, CT 06339

MASHANTUCKET PEQUOT TRIBAL COUNCIL

75 ROUTE 2

LEDYARD, CT 063391128

8603128014

Source: CMS National Downloadable File, September 2026.

DIANE MORGENTHALER, MD | HealthCareAtlasUSA