DR. STEVE BIKO ONYAMBU M.D.
NPI 1295115608
Internal Medicine - Critical Care Medicine in Minneapolis, MN
About Dr. Steve Biko Onyambu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVE BIKO ONYAMBU M.D. (NPI 1295115608) is an individual critical care medicine provider in Minneapolis, Minnesota, licensed in Minnesota (69374) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Abbott Northwestern Hospital, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses 2
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. Steve Biko Onyambu 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
8Medicare enrollment records show Steve Onyambu reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Minneapolis, MN 55407
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- Also billed through NPI 1205069325 (Wisconsin)
- 3,733 clinicians in this Medicare group
Chanhassen, MN 55317
- Reassigned Medicare billing, Minnesota enrollment
- 581 clinicians in this Medicare group
Le Sueur, MN 56058
- Reassigned Medicare billing, Minnesota enrollment
- 201 clinicians in this Medicare group
Arlington, MN 55307
- Reassigned Medicare billing, Minnesota enrollment
- 229 clinicians in this Medicare group
Crosby, MN 56441
- Reassigned Medicare billing, Minnesota enrollment
- 224 clinicians in this Medicare group
Elsberry, MO 63343
- Reassigned Medicare billing, Missouri enrollment
- 229 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 435 clinicians in this Medicare group
Saint Louis, MO 63128
- Reassigned Medicare billing, Missouri enrollment
- Medicare enrollment name: St Anthonys Physician Organization Hospitalist Services Lc
- 340 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Abbott Northwestern Hospital
Acute Care Hospitals · Minneapolis, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55407 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MINNEAPOLIS, MN 55407
MINNEAPOLIS, MN 55407
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 Steve Onyambu's NPI number?
The NPI number for Steve Onyambu is 1295115608. It was assigned to this individual provider in the NPPES registry on June 2, 2015.
Where is Steve Onyambu located?
Steve Onyambu practices at 800 E 28th St, Minneapolis, MN 55407. The listed phone number is (612) 863-4762.
What is Steve Onyambu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Steve Onyambu enrolled in Medicare?
Yes. Steve Onyambu 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 Steve Onyambu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steve Onyambu reassigns Medicare benefits to 8 organizations: Allina Health System (Minneapolis, MN), Ridgeview Medical Center (Chanhassen, MN), Minnesota Valley Health Center Inc (Le Sueur, MN), Sibley Medical Center (Arlington, MN), Cuyuna Regional Medical Center (Crosby, MN) and 3 more organizations, listed in the Medicare section above. 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 Steve Onyambu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Steve Onyambu affiliated with any hospitals?
According to CMS data, Steve Onyambu is affiliated with Abbott Northwestern Hospital.
When was this NPI record last updated?
The NPPES record for Steve Onyambu was last updated on September 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Steve Biko Onyambu, M.D. · NPI 1295115608
Critical Care Medicine physician in Minneapolis, Minnesota. Individual provider, active in the CMS NPPES registry since June 2, 2015.
## Identity
- **NPI:** 1295115608 (Entity type: Individual)
- **Enumerated:** June 2, 2015
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 69374 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 E 28TH ST, Minneapolis, MN 55407-3799
- **Phone:** (612) 863-4762 · **Fax:** (612) 863-8425
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Allina Health System (NPI 1053354985, Minneapolis, MN); Ridgeview Medical Center (NPI 1558142869, Chanhassen, MN); Minnesota Valley Health Center Inc (NPI 1215097902, Le Sueur, MN); Sibley Medical Center (NPI 1740240225, Arlington, MN); Cuyuna Regional Medical Center (NPI 1538143896, Crosby, MN); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** September 13, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1295115608) · Data from the CMS NPPES public registry.