Dr. James Obinna Onyirimba, MD

Dr. Onyirimba practices at Jackson North Dialysis in Jackson, Mississippi.

Dr. Onyirimba's NPI, 1720475783, was assigned on April 16, 2015. Dr. Onyirimba holds Mississippi license 29760.

Dr. Onyirimba's primary practice is Jackson North Dialysis, at 6501 Dogwood View Pkwy, Jackson, MS 39213 in Hinds County. The practice phone is (601) 957-1999.

Dr. Onyirimba's primary practice is Jackson North Dialysis in Jackson, Mississippi. Dr. Onyirimba is also affiliated with Mississippi Baptist Medical Center. The medical group on file is Jackson Nephrology Associates. Dmand AI also links Dr. Onyirimba to 4 more hospitals, 5 dialysis centers, 3 medical groups and 2 group practices and clinics, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onyirimba practices, 12 sites in all. Vendor and product names are available with a free account.

Nephrology is Dr. Onyirimba's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Onyirimba's licenses on file in 2 states: Mississippi and Louisiana.

CMS data shows 2,505 Medicare services from Dr. Onyirimba across 12 procedure codes in 2024, for 413 Medicare patients. Medicare paid $246,884 for them.

CMS counts 413 Medicare patients who saw Dr. Onyirimba in 2024. The largest group is 75 to 84, with 146 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 47% are also on Medicaid. Their average risk score is 4.94, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Onyirimba's median patient age at 68, with 50% women.

In 2024, Dr. Onyirimba wrote 993 Medicare Part D claims for 190 patients. 72% of them were for generic drugs. CMS names the drug for 808 of them, across 24 drugs with 11 or more claims each, at $275,253 in total drug cost. In 2023, CMS named 403 claims across 15 drugs.

Dr. Onyirimba accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 92 general payments to Dr. Onyirimba from 19 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 91% of the total. Fresenius USA Marketing, Inc. paid the most, $567.