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

GREGORY S RIHACEK, MD

INTERNAL MEDICINE

Medical school: RUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC)

Graduated: 1982

Also: RHEUMATOLOGY

NPI: 1114992773

Practice Locations (1)

19 CLYDE RD, SUITE 101

SOMERSET, NJ 088735042

7325680013

Source: CMS National Downloadable File, September 2026.

GREGORY RIHACEK, MD | HealthCareAtlasUSA