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

NATHAN NOWALK, MD

INTERNAL MEDICINE

Graduated: 2015

Also: PULMONARY DISEASE, SLEEP MEDICINE

NPI: 1003298720

Practice Locations (1)

UNIVERSITY OF PENN-MEDICAL GROUP

3624 MARKET ST, FL 2

PHILADELPHIA, PA 191045803

2156627772

Source: CMS National Downloadable File, September 2026.

NATHAN NOWALK, MD | HealthCareAtlasUSA