Elvin Diaz
Emergency Medicine Physician · Reedley, CA
Elvin Diaz is an emergency medicine physician with a practice address in Reedley, California, and NPI 1235766445, issued on Mar 26, 2020. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elvin Diaz
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- Practice location
- 372 W Cypress Ave, Reedley, CA 93654
- Phone
- (559) 638-8155
- Enumerated
- Mar 26, 2020
- Entity
- Type 1 · individual
Also registered at 372 W Cypress Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alemseghed AbrahaPharmacist1568726230
- Jeremy Ah Sue, PA-CStudent in an Organized Health Care Education/Training Program1558051946
- Robin Benson, PNPPediatric Nurse Practitioner1972773778
- Robert Fernandez, MDFamily Medicine Physician1790743151
- Aurora FloresFamily Nurse Practitioner1477025450
- Cecilia Galindo, MDInternal Medicine Physician1467410522
Verify Elvin Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
35% more Medicare Part D claims than the average emergency medicine physician in 2024
479 Medicare Part D claims for 278 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Ibuprofen111 claims
- Cephalexin64 claims
- Ondansetron Hcl63 claims
- Prednisone35 claims
- Azithromycin24 claims
- Gabapentin17 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.
The practice group's Medicare quality score for 2023: 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Cep America - CaliforniaReedley, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
3 emergency medicine physician records list a Reedley practice address
They are 3 of the 247 NPPES records with a Reedley practice address, and 7,133 emergency medicine physician records in California.
All 3 in Reedley → All 7,133 in California → Every provider in Reedley →
Other emergency medicine physician records in California
- Cooper Aakhus, MDStanford, CA1194351007
- Pyra Aarden, MDMartinez, CA1417058199
- Neal Aaron, D.O.Encinitas, CA1114283520
- Eric AaserudeWalnut Creek, CA1811491194
- Nader Abas, MDBarstow, CA1346288305
- Michael Abbo, MDNovato, CA1205819042
- Daniel Abbott, MDFullerton, CA1518907864
- Paul-Andre Abboud, M.D.Oakland, CA1710065503
- Mostafa Abdel-Hamid, MDStanford, CA1457918740
- Ashraf Abdel-KerimChino, CA1396961538
Common questions
What is Elvin Diaz's NPI number?
Elvin Diaz's National Provider Identifier (NPI) is 1235766445, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Elvin Diaz located?
The NPPES record lists a practice address at 372 W Cypress Ave, Reedley, CA, 93654. Phone: (559) 638-8155. Providers update this record themselves, so call before visiting.
How can I verify Elvin Diaz's license?
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 Elvin Diaz prescribe under Medicare Part D?
In 2024, Elvin Diaz had 479 Medicare Part D claims for 278 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
What is Elvin Diaz's Medicare quality score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.