Dr. Gregory Salvatore Rihacek, MD

Dr. Rihacek practices at Saint Peter's University Hospital in New Brunswick, New Jersey, part of Atlantic Health System.

Dr. Rihacek's NPI, 1114992773, was assigned on February 17, 2006. Dr. Rihacek graduated from Rutgers Robert Wood Johnson Medical School in 1982. Dr. Rihacek holds New Jersey license 25MA06373000.

Dr. Rihacek's primary practice is Saint Peter's University Hospital, at 254 Easton Ave, New Brunswick, NJ 08901 in Middlesex County. The practice phone is (732) 745-8600.

Dr. Rihacek's primary practice is Saint Peter's University Hospital in New Brunswick, New Jersey, part of Atlantic Health System. Dr. Rihacek is also affiliated with Cooper University Hospital. The medical group on file is Cooper University Physicians. Dmand AI also links Dr. Rihacek to 1 more group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rihacek practices, 3 sites in all. Vendor and product names are available with a free account.

Rheumatology is Dr. Rihacek's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Rihacek is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Rihacek's licenses on file in 2 states: New Jersey and California.

Dmand AI lists acute mini-stroke (TIA), anxiety, arteritis, arthritis, asthma, bursitis, carpal tunnel syndrome and chronic anemia among the conditions Dr. Rihacek treats.

CMS data shows 3,618 Medicare services from Dr. Rihacek across 14 procedure codes in 2024, for 318 Medicare patients. Medicare paid $120,310 for them. Every service was in an office.

CMS counts 318 Medicare patients who saw Dr. Rihacek in 2024. The largest group is 65 to 74, with 129 patients. 75% of them have arthritis, and 75% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Rihacek's median patient age at 66, with 71% women.

In 2024, Dr. Rihacek wrote 5,200 Medicare Part D claims for 388 patients. 76% of them were for generic drugs. CMS names the drug for 4,585 of them, across 105 drugs with 11 or more claims each, at $4,823,309 in total drug cost. In 2023, CMS named 4,375 claims across 108 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 24 out of 100 for Dr. Rihacek for performance year 2024, reported individually. Dr. Rihacek accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links Dr. Rihacek to 1 clinical trial. Conditions studied include Arthritis, Rheumatoid and Rheumatic Diseases.

CMS Open Payments shows 3,031 general payments to Dr. Rihacek from 63 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 42% of the total. Celgene Corporation paid the most, $38,434.

Dmand AI lists 1 award for Dr. Rihacek.

Dr. Rihacek graduated from Rutgers Robert Wood Johnson Medical School in 1982. Dr. Rihacek is a member of ACR.

Dr. Rihacek is in network with 3 carriers, including Aetna, Horizon Blue Cross Blue Shield of New Jersey and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.