Expertise in
5
conditions

Dr. Gregory S. Rihacek

Rheumatology
Arthritis Care Medical Center
19 Clyde Rd Ste 101, 
Somerset, NJ 
Accepting New Patients
44 Years of Experience
Expertise in
5
conditions
Arthritis Care Medical Center
19 Clyde Rd Ste 101, 
Somerset, NJ 

Overview

Gregory Rihacek is a Rheumatologist practicing medicine in Somerset, New Jersey. He has been practicing medicine for over 44 years.

Dr. Rihacek is highly rated in 5 conditions, according to our data. His clinical expertise encompasses Rheumatoid Arthritis (RA), Ehlers-Danlos Syndrome (EDS), Polymyalgia Rheumatica, and Rhizomelic Pseudopolyarthritis.

He is actively involved in clinical research, participating in 1 clinical trial. Dr. Rihacek is currently accepting new patients.

Graduate Year

1982

Specialties

Rheumatology

Licenses

Internal Medicine in NJ

Hospital Affiliations

Cooper University Hospital
Saint Peter's University Hospital

Languages Spoken

English
German
Italian
Spanish

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
Clover Health
  • INSURANCE PLAN
  • MEDICARE MAPD
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 14 Less Insurance Carriers -

Locations

Arthritis Care Medical Center
19 Clyde Rd Ste 101, Somerset, NJ 08873

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

1 Clinical Trials

A Randomized, Controlled Pragmatic Phase 3b/4 Study of Baricitinib in Patients With Rheumatoid Arthritis
A Randomized, Controlled Pragmatic Phase 3b/4 Study of Baricitinib in Patients With Rheumatoid Arthritis
Enrollment Status: Completed
Publish Date: July 10, 2026
Intervention Type: Drug
Study Drugs: Baricitinib, TNF Inhibitor
Study Phase: Phase 4
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Frequently Asked Questions about Dr. Gregory S. Rihacek

How do I make an appointment with Dr. Gregory S. Rihacek?

You can book an appointment with Dr. Gregory S. Rihacek by calling their office at 732-568-0023. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Gregory S. Rihacek a top-rated expert for Rheumatoid Arthritis (RA)?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Gregory S. Rihacek is classified as an Advanced expert for Rheumatoid Arthritis (RA), meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Gregory S. Rihacek specialize in?

While Dr. Gregory S. Rihacek is a Rheumatology, they have specific expertise in Rheumatoid Arthritis (RA), Ehlers-Danlos Syndrome (EDS), and Polymyalgia Rheumatica. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Rheumatology.

Does Dr. Gregory S. Rihacek accept my insurance?

Dr. Gregory S. Rihacek accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 732-568-0023 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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