Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Gregory Salvatore Rihacek, MD

Individual provider Rheumatology Physician · NPI 1114992773

Dr. Gregory Salvatore Rihacek, MD is an Internal Medicine in Somerset, New Jersey. Graduated from Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc) in 1982, 44 years ago. Works from 2 locations and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
44
Trained at
Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc)
Licensed in
NJ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

19 Clyde Rd #101
Somerset, NJ 08873-5042
Phone: (732) 568-0023
Fax: (732) 568-0159
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 400 W Route 38 Fl 1, Moorestown, NJ 08057-3219 — (856) 270-4002

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 25MA06373000 (NJ)

Record details

NPI number1114992773
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 17, 2006
Last updated in NPPESMay 13, 2026
Certification dateMay 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesRHEUMATOLOGY
Medical schoolRUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC)
Graduated 1982 (44 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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