NPPES file of Aug 9, 2026

William Duncan Davis, MD

Surgery Physician · Fort Defiance, AZ

William Duncan Davis, MD is a surgery physician with a practice address in Fort Defiance, Arizona, and NPI 1558315648, issued on May 22, 2006. Check the license on the Arizona Medical Board; 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
1558315648
Name
William Duncan Davis
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
37751 KS
Self-reported in NPPES; status is on the state search
Practice location
Corner Route N 12 And N 7, Fort Defiance, AZ 86504
Phone
(928) 729-8000
Enumerated
May 22, 2006
Record last updated
Sep 20, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
100139880C KS
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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Verify William Duncan Davis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical BoardCheck 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

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William Duncan Davis among 760 surgery physician records in Arizona

William Duncan Davis, MD is one of 760 surgery physician records with a practice address in Arizona. 72% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 61% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2011 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 surgery physician records list a practice address in Fort Defiance

They are 19 of the 590 NPPES records with a practice address in Fort Defiance, and 760 surgery physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 surgery physician records with the nearest ZIP codes

  1. Mohammad Akhavan Heidari, MDFort Defiance, AZ 865041205041571
  2. Hong Duc Dang, M.D.Fort Defiance, AZ 865041295939478
  3. John Gibbs, MDFort Defiance, AZ 865041063418176
  4. David Goodman, M.D.Fort Defiance, AZ 865041093714024
  5. Esther Han, M.D.Fort Defiance, AZ 865041427253434
  6. Gregory Jarrin, MDFort Defiance, AZ 865041275663197
  7. Michael Jarvis, D.O.Fort Defiance, AZ 865041902845936
  8. Patricia Lowery, M.D.Fort Defiance, AZ 865041659455954

Common questions

What is William Duncan Davis, MD's NPI number?

William Duncan Davis, MD's National Provider Identifier (NPI) is 1558315648, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Duncan Davis, MD located?

The NPPES record lists a practice address at Corner Route N 12 And N 7, Fort Defiance, AZ, 86504. Phone: (928) 729-8000. Providers update this record themselves, so call before visiting.

How can I verify William Duncan Davis, MD's license?

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.

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.