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.
- 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
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 5850 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Hilary Chukwudinma Nwosu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A84336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Amoxicillin-Clavulanate Potass14 claims
- Cephalexin14 claims
- Levetiracetam14 claims
- Mupirocin11 claims
- Ondansetron Odt11 claims
- 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
- Blessing HospitalQuincy, IL · Acute Care Hospitals4 of 5 stars
- Deaconess Hospital, Inc.Evansville, IN
- EM Alliance Texas PLLCAmarillo, TX
- 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.
All 7,751 in California → Every provider in Los Angeles → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Linda Adams, M.D.Los Angeles, CA 900071518918440
- Brian Baker, MDLos Angeles, CA 900071366609802
- William Lattos, M.D.Los Angeles, CA 900071740231653
- Richard MayLos Angeles, CA 900071326139320
- Stephen Samolyk, M.D.Los Angeles, CA 900071508817552
- Julia Wang, M.D.Los Angeles, CA 900071811190770
- David Kalifon, MDLos Angeles, CA 900121083556237
- 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.