Gregory F. Truax, DO
Emergency Medicine Physician · Las Vegas, NV
Gregory F. Truax, DO is an emergency medicine physician with a practice address in Las Vegas, Nevada, and NPI 1366766099, issued on Mar 24, 2010. Check the license (Nevada DO1805, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory F. Truax
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- DO1805 NV
Self-reported in NPPES; status is on the state search - Practice location
- 8670 W Cheyenne Ave Ste 120, Las Vegas, NV 89129
- Phone
- (702) 576-9608
- Enumerated
- Mar 24, 2010
- Record last updated
- Feb 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 575 in Nevada → Look up another NPI →
Also registered at 8670 W Cheyenne Ave Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Arguello-GillilandFamily Nurse Practitioner1699196550
- Stephanos Orphanidis, MDEmergency Medicine Physician1114189917
- Kinslee Scamaldo, PAPhysician Assistant1023442183
- Champagne Sumbry, QBABehavior Technician1619482023
Verify Gregory F. Truax in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license DO1805Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average emergency medicine physician in 2024
101 Medicare Part D claims for 71 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin16 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.
Gregory F. Truax among 575 emergency medicine physician records in Nevada
Gregory F. Truax, 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 2010, is newer than 50% of them.
- NPI issued2010 · 50% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2018 · 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
- Grant GerhardLas Vegas, NV 891291962906560
- Charles Hugelmeyer, DOLas Vegas, NV 891291972661726
- Stephanos Orphanidis, MDLas Vegas, NV 891291114189917
- Logan Sondrup, M.D.Las Vegas, NV 891291629294004
- Nathan Balkman, DOLas Vegas, NV 891281861142606
- Sedale Boire, DOLas Vegas, NV 891281346942067
- Matthew Cox, DOLas Vegas, NV 891281093455511
- Alec Erhard, DOLas Vegas, NV 891281093417610
Common questions
What is Gregory F. Truax, DO's NPI number?
Gregory F. Truax, DO's National Provider Identifier (NPI) is 1366766099, issued on Mar 24, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Gregory F. Truax, DO located?
The NPPES record lists a practice address at 8670 W Cheyenne Ave Ste 120, Las Vegas, NV, 89129. Phone: (702) 576-9608. Providers update this record themselves, so call before visiting.
How can I verify Gregory F. Truax, DO's license?
NPPES lists Nevada license number DO1805, 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 Gregory F. Truax, DO prescribe under Medicare Part D?
In 2024, Gregory F. Truax, DO had 101 Medicare Part D claims for 71 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.