NPPES file of Aug 9, 2026

Gregory P. Lewandowski, CRNA

Certified Registered Nurse Anesthetist · Fort Defiance, AZ

Gregory P. Lewandowski, CRNA is a certified registered nurse anesthetist with a practice address in Fort Defiance, Arizona, and NPI 1679684021, issued on Aug 31, 2006. Check the license 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
1679684021
Name
Gregory P. Lewandowski
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
R42821 NM
Self-reported in NPPES; status is on the state search
Practice location
Corner OF Route N12 And N7, Fort Defiance, AZ 86504
Phone
(505) 662-9256
Enumerated
Aug 31, 2006
Record last updated
Oct 2, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicaid ID
A1676 NM
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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Also registered at Corner OF Route N12 And N7

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

  1. Moaz Abulfaraj, MDSurgery Physician1861797193
  2. Walter Adam, MDFamily Medicine Physician1053368860
  3. Margaret Adams, ARNPFamily Nurse Practitioner1427455682
  4. Sandra Adkins, DDSDentist1710918131
  5. Elizabeth Agre, PT, DPTPhysical Therapist1891268280
  6. Mohammad Akhavan Heidari, MDSurgery Physician1205041571

Verify Gregory P. Lewandowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this professionCheck 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

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Gregory P. Lewandowski among 1,100 certified registered nurse anesthetist records in Arizona

Gregory P. Lewandowski, CRNA 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 76% newer
  • In a Medicare fileNo · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 81% of these records are
  • Record last updated2014 · 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).

14 certified registered nurse anesthetist records list a practice address in Fort Defiance

They are 14 of the 590 NPPES records with a practice address in Fort Defiance, and 1,100 certified registered nurse anesthetist records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

  1. Joseph Denhalter, CRNAFort Defiance, AZ 865041528559143
  2. Joe Griffin, CRNAFort Defiance, AZ 865041942267323
  3. Julie Hughes, CRNAFort Defiance, AZ 865041275699837
  4. Jacquelyn James, CRNAFort Defiance, AZ 865041811136112
  5. Chaz Lasseigne, CRNAFort Defiance, AZ 865041972781656
  6. Kevin Lewellen, CRNAFort Defiance, AZ 865041124047949
  7. Michael Mackinnon, CRNAFort Defiance, AZ 865041174754626
  8. Peter Marinich, CRNAFort Defiance, AZ 865041407931702

Common questions

What is Gregory P. Lewandowski, CRNA's NPI number?

Gregory P. Lewandowski, CRNA's National Provider Identifier (NPI) is 1679684021, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory P. Lewandowski, CRNA located?

The NPPES record lists a practice address at Corner OF Route N12 And N7, Fort Defiance, AZ, 86504. Phone: (505) 662-9256. Providers update this record themselves, so call before visiting.

How can I verify Gregory P. Lewandowski, CRNA's license?

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.

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.