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

MARGARET WILLIAMS LOWENSTEIN, MD

HOSPITALIST

Medical school: PERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA

Graduated: 2013

NPI: 1326381872

Practice Locations (6)

UNIVERSITY OF PENN-MEDICAL GROUP

3400 SPRUCE ST

PHILADELPHIA, PA 191044238

2156624000

TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA

3600 CIVIC CTR BLVD, 3E

PHILADELPHIA, PA 191044310

TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA

3701 MARKET ST

PHILADELPHIA, PA 191045502

2156622250

TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA

3737 MARKET ST

PHILADELPHIA, PA 191045545

2156628777

TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA

3801 FILBERT ST, PENN CENTER FOR PRIMARY CARE

PHILADELPHIA, PA 191042640

2156629990

UNIVERSITY OF PENN-MEDICAL GROUP

51 N 39TH ST

PHILADELPHIA, PA 191042640

2156628747

Source: CMS National Downloadable File, September 2026.