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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Gregory Rihacek:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (10)

The overall average patient rating of Dr. Gregory Rihacek is Excellent. Dr. Rihacek has been reviewed by 19 patients who have provided 10 comments. The rating is 3.5 out of 4 stars.

Patient Ratings
Ease of Appointment 2.6
Promptness 3.0
Courteous Staff 2.8
Accurate Diagnosis 3.8
Bedside Manner 3.6
Spends Time with Me 3.5
Follows Up After Visit 2.8

Specialties & Research

Dr. Gregory Rihacek, MD is board certified in Rheumatology.

  • He has special expertise in 3 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Rheumatic Diseases

Education & Awards

Dr. Rihacek graduated from UMDNJ Robert Wood Johnson, Piscataway. He has 2 awards.

Patients' Choice Award (2008 - 2010)
Top 10 Doctor - State (2014)
New Jersey


Dr. Rihacek has 4 hospital affiliations:

  • Robert Wood Johnson Univ Hosp 
  • St. Peter's University Hospital 


  • Italian
  • Spanish
  • German

> > > > Dr. Gregory Rihacek, MD

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Additional Information
Dr. Gregory Salvatore Rihacek MD is a male Rheumatologist, has 29 years of experience and practices in Rheumatology.
Where does Dr. Gregory S. Rihacek practice?
Dr. Gregory Rihacek has 1 office location.
Dr. Gregory Rihacek practices Rheumatology near Somerset, NJ.
See Somerset Rheumatologists.