DR. JAMES OBINNA ONYIRIMBA M.D.
NPI 1720475783
Internal Medicine - Nephrology in Jackson, MS
About Dr. James Obinna Onyirimba M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES OBINNA ONYIRIMBA M.D. (NPI 1720475783) is an individual nephrology provider in Jackson, Mississippi, licensed in Mississippi (29760) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with St Francis Medical Center, and maintains a secondary practice location in Monroe.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. James Obinna Onyirimba M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show James Onyirimba reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jackson, MS 39211
- Reassigned Medicare billing, Mississippi enrollment
- 5 clinicians in this Medicare group
Monroe, LA 71201
- Reassigned Medicare billing, Louisiana enrollment
- 222 clinicians in this Medicare group
Ruston, LA 71270
- Reassigned Medicare billing, Louisiana enrollment
- 42 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Louisiana enrollment
- 169 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 12
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Francis Medical Center
Acute Care Hospitals · Monroe, LASt Dominic-Jackson Memorial Hospital
Acute Care Hospitals · Jackson, MSMerit Health Central
Acute Care Hospitals · Jackson, MSMississippi Baptist Medical Center
Acute Care Hospitals · Jackson, MSMerit Health River Oaks
Acute Care Hospitals · Flowood, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is James Onyirimba's NPI number?
The NPI number for James Onyirimba is 1720475783. It was assigned to this individual provider in the NPPES registry on April 16, 2015.
Where is James Onyirimba located?
James Onyirimba practices at 6501 Dogwood View Pkwy, Jackson, MS 39213. The listed phone number is (601) 899-3340.
What is James Onyirimba's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is James Onyirimba enrolled in Medicare?
Yes. James Onyirimba is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for James Onyirimba's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Onyirimba reassigns Medicare benefits to 4 organizations: Diversified Renal Group LLC (Jackson, MS), St Francis Medical Group LLC (Monroe, LA), Northern Louisiana Emergency Physicians LLP (Ruston, LA) and Hospitalist Medicine Physicians Of Texas, PLLC (Humble, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Onyirimba's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Onyirimba accept?
Health plans from CHRISTUS Health Plan, Cigna Healthcare, HMO Louisiana and Molina Healthcare list James Onyirimba as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is James Onyirimba affiliated with any hospitals?
According to CMS data, James Onyirimba is affiliated with St Francis Medical Center, St Dominic-Jackson Memorial Hospital, Merit Health Central, Mississippi Baptist Medical Center and Merit Health River Oaks.
When was this NPI record last updated?
The NPPES record for James Onyirimba was last updated on December 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.