ONYEKACHI OGBONNA M.D.
NPI 1992090112
Internal Medicine - Medical Oncology in Portland, OR
About Onyekachi Ogbonna M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ONYEKACHI OGBONNA M.D. (NPI 1992090112) is an individual medical oncology provider in Portland, Oregon, licensed in Oregon (MD198478) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Howard University College Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses 2
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
Onyekachi Ogbonna 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
2Medicare enrollment records show Onyekachi Ogbonna reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97201
- Reassigned Medicare billing, Oregon enrollment
- 2,212 clinicians in this Medicare group
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 19 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORLegacy Good Samaritan Medical Center
Acute Care Hospitals · Portland, ORHillsboro Medical Center
Acute Care Hospitals · Hillsboro, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97210
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 Onyekachi Ogbonna's NPI number?
The NPI number for Onyekachi Ogbonna is 1992090112. It was assigned to this individual provider in the NPPES registry on June 15, 2011.
Where is Onyekachi Ogbonna located?
Onyekachi Ogbonna practices at 1130 NW 22nd Ave, Portland, OR 97210. The listed phone number is (570) 326-8470.
What is Onyekachi Ogbonna's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Onyekachi Ogbonna enrolled in Medicare?
Yes. Onyekachi Ogbonna 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 Onyekachi Ogbonna's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Onyekachi Ogbonna reassigns Medicare benefits to 2 organizations: University Professional Services (Portland, OR) and Professional Medical Services LLC (Portland, OR). 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 Onyekachi Ogbonna's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Onyekachi Ogbonna accept?
Health plans from Kaiser Permanente, Moda Health Plan, Inc. and PacificSource Health Plans list Onyekachi Ogbonna 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 Onyekachi Ogbonna affiliated with any hospitals?
According to CMS data, Onyekachi Ogbonna is affiliated with Ohsu Hospital And Clinics, Legacy Good Samaritan Medical Center and Hillsboro Medical Center.
When was this NPI record last updated?
The NPPES record for Onyekachi Ogbonna was last updated on September 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.