NPPES file of Aug 9, 2026

Hilary Chukwudinma Nwosu, M.D.

Emergency Medicine Physician · Los Angeles, CA

Hilary Chukwudinma Nwosu, M.D. is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1255473625, issued on Feb 13, 2007. Check the license (California A84336, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255473625
Name
Hilary Chukwudinma Nwosu
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
A84336 CA
MD.207300 LA
036150585 IL
01094715A IN
Self-reported in NPPES; status is on the state search
Practice location
5850 S Main St, Los Angeles, CA 90003
Phone
(323) 846-4312
Enumerated
Feb 13, 2007
Record last updated
May 20, 2026
Medicare enrollment
Enrolled (PECOS I20221107002482); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5850 S Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lutful Akhanjee, MDFamily Medicine Physician1073655866
  2. Marvin Ambriz, MDFamily Medicine Physician1124648845
  3. Summer Andrada, DMDGeneral Practice Dentistry1376217752
  4. Viola BanguraAmbulatory Care Registered Nurse1841710589
  5. Revery Barnes, MDFamily Medicine Physician1669812467
  6. Mikki Beermann, LCSWClinical Social Worker1518042191

Verify Hilary Chukwudinma Nwosu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A84336
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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15% fewer Medicare Part D claims than the average emergency medicine physician in 2024

191 Medicare Part D claims for 112 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Hilary Nwosu191
  2. Specialty average226

Most prescribed

  1. Amoxicillin-Clavulanate Potass14 claims
  2. Cephalexin14 claims
  3. Levetiracetam14 claims
  4. Mupirocin11 claims
  5. Ondansetron Odt11 claims
  6. Sulfamethoxazole-Trimethoprim11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

4 hospitals and group practices

  1. Blessing HospitalQuincy, IL · Acute Care Hospitals4 of 5 stars
  2. Deaconess Hospital, Inc.Evansville, IN
  3. EM Alliance Texas PLLCAmarillo, TX
  4. Methodist Health, Inc.Henderson, KY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Hilary Chukwudinma Nwosu among 7,751 emergency medicine physician records in California

Hilary Chukwudinma Nwosu, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 50% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1992 · median 2011 among the 4,560 with a school on file
  • Record last updated2026 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Linda Adams, M.D.Los Angeles, CA 900071518918440
  2. Brian Baker, MDLos Angeles, CA 900071366609802
  3. William Lattos, M.D.Los Angeles, CA 900071740231653
  4. Richard MayLos Angeles, CA 900071326139320
  5. Stephen Samolyk, M.D.Los Angeles, CA 900071508817552
  6. Julia Wang, M.D.Los Angeles, CA 900071811190770
  7. David Kalifon, MDLos Angeles, CA 900121083556237
  8. Eric El-Tobgy, M.D.Los Angeles, CA 900151982655668

Common questions

What is Hilary Chukwudinma Nwosu, M.D.'s NPI number?

Hilary Chukwudinma Nwosu, M.D.'s National Provider Identifier (NPI) is 1255473625, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Hilary Chukwudinma Nwosu, M.D. located?

The NPPES record lists a practice address at 5850 S Main St, Los Angeles, CA, 90003. Phone: (323) 846-4312. Providers update this record themselves, so call before visiting.

How can I verify Hilary Chukwudinma Nwosu, M.D.'s license?

NPPES lists California license number A84336, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Hilary Chukwudinma Nwosu, M.D. prescribe under Medicare Part D?

In 2024, Hilary Chukwudinma Nwosu, M.D. had 191 Medicare Part D claims for 112 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.