NPPES file of Aug 9, 2026

Joseph W. Winchell, DO

Emergency Medicine Physician · Mesa, AZ

Joseph W. Winchell, DO is an emergency medicine physician with a practice address in Mesa, Arizona, and NPI 1083632962, issued on Jul 18, 2006. Check the license (Arizona 4179, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083632962
Name
Joseph W. Winchell
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
4179 AZ
Self-reported in NPPES; status is on the state search
Practice location
1400 S Dobson RD, Mesa, AZ 85202
Phone
(480) 456-9500
Enumerated
Jul 18, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(480) 820-7623
Medicare enrollment
Enrolled (PECOS I20050511000285); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1400 S Dobson RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anas Abu Assi, MBBSInternal Medicine Physician1881212264
  2. Rami Abusaleh, MDHospice and Palliative Medicine (Internal Medicine) Physician1356921977
  3. Abraham AlfarraAnesthesiology Physician1174268585
  4. Suhail Alhreish, PHARMDPharmacist1285041467
  5. Mistelle Allan, NPFamily Nurse Practitioner1154951150
  6. Haneen Alwawi, CRNACertified Registered Nurse Anesthetist1245877893

Verify Joseph W. Winchell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 4179
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

59% more Medicare Part D claims than the average emergency medicine physician in 2024

359 Medicare Part D claims for 162 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 67 claims were for opioids.

  1. Joseph Winchell359
  2. Specialty average226

Most prescribed

  1. Ondansetron Hcl77 claims
  2. Ibuprofen42 claims
  3. Hydrocodone-Acetaminophen36 claims
  4. Cyclobenzaprine Hcl18 claims
  5. Nitrofurantoin Mono-Macro18 claims
  6. Tramadol Hcl16 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 MIPS final score for 2023 (Medicare payment program): 76.1 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.

  1. Qualityout of 100 · 30% of the final score69.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. East Valley EP PLLCGilbert, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joseph W. Winchell among 1,494 emergency medicine physician records in Arizona

Joseph W. Winchell, DO is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 62% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2003 · median 2014 among the 828 with a school on file
  • Record last updated2007 · 55% 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 Arizona 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 Arizona

There are 1,494 emergency medicine physician records in Arizona.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Ronald Cohen, DOMesa, AZ 852021851376719
  2. Brad Harrison, MDMesa, AZ 852021578548442
  3. Lynn Keating, MDMesa, AZ 852021356328447
  4. Tanya Kne, MDMesa, AZ 852021316922370
  5. Michael Lum Lung, MDMesa, AZ 852021750366712
  6. Charles Pshaenich, MDMesa, AZ 852021023093085
  7. Mark Ripperda, MDMesa, AZ 852021306821368
  8. Laura Robinson, MDMesa, AZ 852021124003181

Common questions

What is Joseph W. Winchell, DO's NPI number?

Joseph W. Winchell, DO's National Provider Identifier (NPI) is 1083632962, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph W. Winchell, DO located?

The NPPES record lists a practice address at 1400 S Dobson RD, Mesa, AZ, 85202. Phone: (480) 456-9500. Providers update this record themselves, so call before visiting.

How can I verify Joseph W. Winchell, DO's license?

NPPES lists Arizona license number 4179, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joseph W. Winchell, DO prescribe under Medicare Part D?

In 2024, Joseph W. Winchell, DO had 359 Medicare Part D claims for 162 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Joseph W. Winchell, DO's MIPS final score?

The 2023 MIPS final score is 76.1 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), 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.