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 / PA

WILLIAM D LORETAN, DO

INTERNAL MEDICINE

Graduated: 1989

Offers telehealth

NPI: 1245244565

Practice Locations (1)

WELLSPAN MEDICAL GROUP

435 S KINZER AVE, SUITE 10

NEW HOLLAND, PA 175578706

7177336546

Source: CMS National Downloadable File, September 2026.

WILLIAM LORETAN, DO | HealthCareAtlasUSA