Matthew James Cox, DO
Emergency Medicine Physician · Las Vegas, NV
Matthew James Cox, DO is an emergency medicine physician with a practice address in Las Vegas, Nevada, and NPI 1093455511, issued on Mar 31, 2022. Check the license (Nevada DO3868, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Matthew James Cox
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- DO3868 NV
011089 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3100 N Tenaya Way, Las Vegas, NV 89128
- Phone
- (702) 972-0140
- Enumerated
- Mar 31, 2022
- Record last updated
- Aug 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20241203001948); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Physicians And Surgeons, 2022
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 575 in Nevada → Look up another NPI →
Also registered at 3100 N Tenaya Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Caleb Ackermann, MDStudent in an Organized Health Care Education/Training Program1972130102
- Hyrum Ahlman, DOStudent in an Organized Health Care Education/Training Program1407615834
- Ozoemena AkahAddiction Medicine (Internal Medicine) Physician1295485373
- Tony AlarconStudent in an Organized Health Care Education/Training Program1386221505
- Mariam Alebyan, PHARMDPharmacist1447196563
Verify Matthew James Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license DO3868Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average emergency medicine physician in 2024
173 Medicare Part D claims for 105 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Naproxen22 claims
- Cefdinir21 claims
- Ondansetron Hcl12 claims
- Amoxicillin-Clavulanate Potass11 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.
Bills Medicare through 3 group practices
- Emergency Physicians Southwest PCLake Havasu City, AZ
- Fremont Emergency Services Scherr LtdLas Vegas, NV
- Sierra Estrellas Emergency Physicians LLCYuma, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew James Cox among 575 emergency medicine physician records in Nevada
Matthew James Cox, DO is one of 575 emergency medicine physician records with a practice address in Nevada. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2022 · median 2014 among the 366 with a school on file
- Record last updated2025 · 45% 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 Nevada 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 Nevada
There are 575 emergency medicine physician records in Nevada.
All 575 in Nevada → Every provider in Las Vegas → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Eric Anderson, MDLas Vegas, NV 891281619979028
- Andrew Behl, DOLas Vegas, NV 891281760458053
- Todd Christensen, MDLas Vegas, NV 891281982606687
- Allen Erisman, D.O.Las Vegas, NV 891281245233485
- Kimberly Fletcher, MDLas Vegas, NV 891281598767204
- John Henner, DOLas Vegas, NV 891281376545954
- Heidi Kabler, MDLas Vegas, NV 891281134107519
- Frank Lee, DOLas Vegas, NV 891281922007210
Common questions
What is Matthew James Cox, DO's NPI number?
Matthew James Cox, DO's National Provider Identifier (NPI) is 1093455511, issued on Mar 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Matthew James Cox, DO located?
The NPPES record lists a practice address at 3100 N Tenaya Way, Las Vegas, NV, 89128. Phone: (702) 972-0140. Providers update this record themselves, so call before visiting.
How can I verify Matthew James Cox, DO's license?
NPPES lists Nevada license number DO3868, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew James Cox, DO prescribe under Medicare Part D?
In 2024, Matthew James Cox, DO had 173 Medicare Part D claims for 105 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.