DR. HILARY CHUKWUDINMA NWOSU M.D.
NPI 1255473625
Emergency Medicine in Los Angeles, CA
About Dr. Hilary Chukwudinma Nwosu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HILARY CHUKWUDINMA NWOSU M.D. (NPI 1255473625) is an individual emergency medicine provider in Los Angeles, California, licensed in Louisiana (MD.207300) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Blessing Hospital, and is a graduate of Other (1992).
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
Dr. Hilary Chukwudinma Nwosu 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
14Medicare enrollment records show Hilary Nwosu reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Amarillo, TX 79119
- Reassigned Medicare billing, Texas enrollment
- 101 clinicians in this Medicare group
Amarillo, TX 79106
- Reassigned Medicare billing, Texas enrollment
- 150 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,439 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 149 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 clinicians in this Medicare group
Morganfield, KY 42437
- Reassigned Medicare billing, Kentucky enrollment
- 44 clinicians in this Medicare group
Evansville, IN 47712
- Reassigned Medicare billing, Indiana enrollment
- 717 clinicians in this Medicare group
Riverdale, GA 30274
- Reassigned Medicare billing, Georgia enrollment
- 111 clinicians in this Medicare group
Forsyth, GA 31029
- Reassigned Medicare billing, Georgia enrollment
- 25 clinicians in this Medicare group
Newport, TN 37821
- Reassigned Medicare billing, North Carolina enrollment
- 557 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 5
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Blessing Hospital
Acute Care Hospitals · Quincy, ILDeaconess Hospital Inc
Acute Care Hospitals · Evansville, INUpmc Carlisle
Acute Care Hospitals · Carlisle, PAUpmc Pinnacle Hospitals
Acute Care Hospitals · Harrisburg, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90003 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.
LOS ANGELES, CA 90003
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 Hilary Nwosu's NPI number?
The NPI number for Hilary Nwosu is 1255473625. It was assigned to this individual provider in the NPPES registry on February 13, 2007.
Where is Hilary Nwosu located?
Hilary Nwosu practices at 5850 S Main St, Los Angeles, CA 90003. The listed phone number is (323) 846-4312.
What is Hilary Nwosu's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Hilary Nwosu enrolled in Medicare?
Yes. Hilary Nwosu 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 Hilary Nwosu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hilary Nwosu reassigns Medicare benefits to 14 organizations: Nes Southwest Medical Services Inc (Amarillo, TX), Em Alliance Texas, PLLC (Amarillo, TX), Concord Medical Group Of Texas PLLC (Lubbock, TX), Bexar Emergency Physicians, PLLC (San Antonio, TX), Acs Primary Care Physicians Southwest, PA (Gainesville, TX) and 9 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 Hilary Nwosu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hilary Nwosu accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and CareSource list Hilary Nwosu 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 Hilary Nwosu affiliated with any hospitals?
According to CMS data, Hilary Nwosu is affiliated with Blessing Hospital, Deaconess Hospital Inc, Upmc Carlisle and Upmc Pinnacle Hospitals.
When was this NPI record last updated?
The NPPES record for Hilary Nwosu was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Hilary Chukwudinma Nwosu, M.D. · NPI 1255473625
Emergency Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since February 13, 2007.
## Identity
- **NPI:** 1255473625 (Entity type: Individual)
- **Enumerated:** February 13, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD.207300 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 5850 S MAIN ST, Los Angeles, CA 90003-1215
- **Phone:** (323) 846-4312
## 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:** 14 organizations under Medicare reassignment (form CMS-855R): Nes Southwest Medical Services Inc (NPI 1093487449, Amarillo, TX); Em Alliance Texas, PLLC (NPI 1902621329, Amarillo, TX); Concord Medical Group Of Texas PLLC (NPI 1750790762, Lubbock, TX); Bexar Emergency Physicians, PLLC (NPI 1548034994, San Antonio, TX); Acs Primary Care Physicians Southwest, PA (NPI 1538101019, Gainesville, TX); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** May 20, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1255473625) · Data from the CMS NPPES public registry.