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 / NJ

ROBERT JAY SIPZNER, MD

NEPHROLOGY

Medical school: NEW YORK UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1982

Also: INTERNAL MEDICINE

NPI: 1467491589

Practice Locations (3)

PRACTICE ASSOCIATES MEDICAL GROUP

477 BROADWAY

BAYONNE, NJ 070024797

2018584110

PRACTICE ASSOCIATES MEDICAL GROUP

94 OLD SHORT HILLS RD

LIVINGSTON, NJ 070395672

9733225000

PRACTICE ASSOCIATES MEDICAL GROUP

100 MADISON AVE

MORRISTOWN, NJ 079606136

9739715596

Source: CMS National Downloadable File, September 2026.