Trent Erney, M.D.
Emergency Medicine Physician · Lancaster, CA
Trent Erney, M.D. is an emergency medicine physician with a practice address in Lancaster, California, and NPI 1265481923, issued on May 9, 2006. Check the license (California G71919, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Trent Erney
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G71919 CA
Self-reported in NPPES; status is on the state search - Practice location
- 335 E Avenue I, Lancaster, CA 93535
- Phone
- (661) 471-4020
- Enumerated
- May 9, 2006
- Record last updated
- Feb 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20031111000934); accepts Medicare assignment
- Medical or professional school
- State University Of Ny Upstate Medical University, 1989
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 335 E Avenue I
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela AcainAmbulatory Care Registered Nurse1104791516
- Leila Adriano, RNRegistered Nurse1558883421
- Gyanesh Agrawal, M.D.Internal Medicine Physician1366587768
- Arnulfo Alvarado Cruz, RNRegistered Nurse1093682155
- Laura Avalos De AyalaAmbulatory Care Registered Nurse1043732282
- Carina BarocioCase Manager/Care Coordinator1780420752
Verify Trent Erney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G71919Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.7 times the Medicare Part D claims of the average emergency medicine physician in 2024
2,196 Medicare Part D claims for 76 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium214 claims
- Levothyroxine Sodium138 claims
- Finasteride127 claims
- Lisinopril115 claims
- Myrbetriq72 claims
- Famotidine67 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 2 group practices
- County OF Los AngelesLancaster, CA
- Department OF Veterans Affairs OF The State OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Trent Erney among 7,751 emergency medicine physician records in California
Trent Erney, 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1989 · median 2011 among the 4,560 with a school on file
- Record last updated2016 · 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 Lancaster → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Bing Hui, M.D.Lancaster, CA 935351235512757
- Mark Brown, MDLancaster, CA 935341336105675
- Nancy Ferrel, M.D.Lancaster, CA 935361053585141
- Kelly Hall, DVMLancaster, CA 935341124479183
- Joseph Hwang, M.D.Lancaster, CA 935341871767244
- Diane Kehrli, NPLancaster, CA 935341174581532
- Daniel KhodabakhshLancaster, CA 935341780884395
- Anna Law, M.D.Lancaster, CA 935361962539551
Common questions
What is Trent Erney, M.D.'s NPI number?
Trent Erney, M.D.'s National Provider Identifier (NPI) is 1265481923, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Trent Erney, M.D. located?
The NPPES record lists a practice address at 335 E Avenue I, Lancaster, CA, 93535. Phone: (661) 471-4020. Providers update this record themselves, so call before visiting.
How can I verify Trent Erney, M.D.'s license?
NPPES lists California license number G71919, 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 Trent Erney, M.D. prescribe under Medicare Part D?
In 2024, Trent Erney, M.D. had 2,196 Medicare Part D claims for 76 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.