NPPES file of Aug 9, 2026

Matthew Leonard Ellefson

Certified Registered Nurse Anesthetist · Mesa, AZ

Matthew Leonard Ellefson is a certified registered nurse anesthetist with a practice address in Mesa, Arizona, and NPI 1629937818, issued on Jan 21, 2026. Check the license (Arizona 339965, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629937818
Name
Matthew Leonard Ellefson
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
339965 AZ
Self-reported in NPPES; status is on the state search
Practice location
1400 S Dobson RD, Mesa, AZ 85202
Phone
(480) 412-3000
Enumerated
Jan 21, 2026
Record last updated
Jul 1, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest certified registered nurse anesthetist records → All 1,100 in Arizona → Look up another NPI →

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 Matthew Leonard Ellefson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 339965    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
Find 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.

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Matthew Leonard Ellefson among 1,100 certified registered nurse anesthetist records in Arizona

Matthew Leonard Ellefson is one of 1,100 certified registered nurse anesthetist records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than 99% of them.

  • NPI issued2026 · 99% of these records are older, 0% newer
  • In a Medicare fileNo · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 81% of these records are
  • Record last updated2026 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Arizona

There are 1,100 certified registered nurse anesthetist records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,100 in Arizona → Every provider in Mesa → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Haneen Alwawi, CRNAMesa, AZ 852021245877893
  2. Jordan Bohrer, CRNAMesa, AZ 852021982347530
  3. Michelle Burak, CRNAMesa, AZ 852021689562795
  4. Nicole Burns, CRNAMesa, AZ 852021881471779
  5. Justin FullerMesa, AZ 852021962176917
  6. Jennifer Grigsby, CRNAMesa, AZ 852021598732638
  7. Cierra HansenMesa, AZ 852021700678885
  8. Mary Kline, CRNAMesa, AZ 852021629005871

Common questions

What is Matthew Leonard Ellefson's NPI number?

Matthew Leonard Ellefson's National Provider Identifier (NPI) is 1629937818, issued on Jan 21, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Leonard Ellefson located?

The NPPES record lists a practice address at 1400 S Dobson RD, Mesa, AZ, 85202. Phone: (480) 412-3000. Providers update this record themselves, so call before visiting.

How can I verify Matthew Leonard Ellefson's license?

NPPES lists Arizona license number 339965, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.