ONYEKACHI U NWABUKO M.D.
NPI 1366636235
Emergency Medicine in Melbourne, FL
About Onyekachi U Nwabuko M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ONYEKACHI U NWABUKO M.D. (NPI 1366636235) is an individual emergency medicine provider in Melbourne, Florida, licensed in Indiana (01068622A) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and maintains a secondary practice location in Elwood.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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
Onyekachi U Nwabuko 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
15Medicare enrollment records show Onyekachi Nwabuko reassigns Medicare billing to 15 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Winter Haven, FL 33881
- Reassigned Medicare billing, Florida enrollment
- 1,065 clinicians in this Medicare group
Hallandale Beach, FL 33009
- Reassigned Medicare billing, Florida enrollment
- 26 clinicians in this Medicare group
Birmingham, AL 35205
- Reassigned Medicare billing, Florida enrollment
- 802 clinicians in this Medicare group
Leitchfield, KY 42754
- Reassigned Medicare billing, Indiana enrollment
- 77 clinicians in this Medicare group
Lawrenceburg, IN 47025
- Reassigned Medicare billing, Indiana enrollment
- 109 clinicians in this Medicare group
Mount Vernon, IL 62864
- Reassigned Medicare billing, Illinois enrollment
- 81 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 1,781 clinicians in this Medicare group
Salem, IL 62881
- Reassigned Medicare billing, Illinois enrollment
- 35 clinicians in this Medicare group
Potosi, MO 63664
- Reassigned Medicare billing, Missouri enrollment
- 60 clinicians in this Medicare group
Belleville, IL 62226
- Reassigned Medicare billing, Illinois enrollment
- 111 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital
Critical Access Hospitals · Carthage, ILSarah D Culbertson Memorial Hospital
Critical Access Hospitals · Rushville, ILSalem Township Hospital
Critical Access Hospitals · Salem, ILClay County Hospital
Critical Access Hospitals · Flora, ILPerry County Memorial Hospital
Critical Access Hospitals · Tell City, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32940 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Nwabuko's NPI number?
The NPI number for Onyekachi Nwabuko is 1366636235. It was assigned to this individual provider in the NPPES registry on September 4, 2007.
Where is Onyekachi Nwabuko located?
Onyekachi Nwabuko practices at 6375 N Wickham Rd Ste 101, Melbourne, FL 32940. The listed phone number is (321) 465-7986.
What is Onyekachi Nwabuko's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Onyekachi Nwabuko enrolled in Medicare?
Yes. Onyekachi Nwabuko 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 Nwabuko's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Onyekachi Nwabuko reassigns Medicare benefits to 15 organizations: Paragon Emergency Services LLC (Winter Haven, FL), Usa Vein Clinics Of Miami, LLC (Hallandale Beach, FL), Paragon Contracting Services LLC (Birmingham, AL), Concord Company Of Tennessee PLLC (Leitchfield, KY), Indiana Emergency Professionals PC (Lawrenceburg, IN) and 10 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 Onyekachi Nwabuko's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Onyekachi Nwabuko accept?
Health plans from Oscar Health Maintenance Organization of Florida and Wellmark Health Plan of Iowa, Inc. list Onyekachi Nwabuko 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 Nwabuko affiliated with any hospitals?
According to CMS data, Onyekachi Nwabuko is affiliated with Memorial Hospital, Sarah D Culbertson Memorial Hospital, Salem Township Hospital, Clay County Hospital and Perry County Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Onyekachi Nwabuko was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Onyekachi U Nwabuko, M.D. · NPI 1366636235
Emergency Medicine physician in Melbourne, Florida. Individual provider, active in the CMS NPPES registry since September 4, 2007.
## Identity
- **NPI:** 1366636235 (Entity type: Individual)
- **Enumerated:** September 4, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 01068622A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 6375 N WICKHAM RD STE 101, Melbourne, FL 32940-2013
- **Phone:** (321) 465-7986
## 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:** 15 organizations under Medicare reassignment (form CMS-855R): Paragon Emergency Services LLC (NPI 1912101650, Winter Haven, FL); Usa Vein Clinics Of Miami, LLC (NPI 1396147138, Hallandale Beach, FL); Paragon Contracting Services LLC (NPI 1225071459, Birmingham, AL); Concord Company Of Tennessee PLLC (NPI 1649743667, Leitchfield, KY); Indiana Emergency Professionals PC (NPI 1598068017, Lawrenceburg, IN); and 10 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** March 10, 2025
- **Other identifiers:** Medicaid 200993710 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1366636235) · Data from the CMS NPPES public registry.