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

FREDERICK S FLESZLER, MD

NEPHROLOGY

Graduated: 1999

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1588758353

Practice Locations (1)

VALLEY KIDNEY SPECIALISTS, P.C.

1230 S CEDAR CREST BLVD

ALLENTOWN, PA 181036212

6104324529

Source: CMS National Downloadable File, September 2026.