NPPES file of Aug 9, 2026

Douglas Eugene Thomas, D.D.S.

Endodontics · Scottsdale, AZ

Douglas Eugene Thomas, D.D.S. is an endodontics with a practice address in Scottsdale, Arizona, and NPI 1790792521, issued on Aug 2, 2006. Check the license (Arizona D5158, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1790792521
Name
Douglas Eugene Thomas
Credential
D.D.S.
Primary taxonomy
Endodontics 1223E0200X
License number
D5158 AZ
Self-reported in NPPES; status is on the state search
Practice location
7500 E Pinnacle Peak RD, Scottsdale, AZ 85255
Phone
(480) 585-2824
Enumerated
Aug 2, 2006
Record last updated
Aug 19, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(480) 585-2391
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 endodontics records → All 149 in Arizona → Look up another NPI →

Also registered at 7500 E Pinnacle Peak RD

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

  1. Kyle Brody, LPCMental Health Counselor1962232603
  2. Bruce Houser, DDSPeriodontics1245307644
  3. Stefanie Maass, FNPNurse Practitioner1497033468
  4. Jean Madden, D.M.D.General Practice Dentistry1457460644
  5. Cory Schidler, B.S., H.F.IRegistered Dietitian1407027451
  6. Ann Sielicki, D.D.S.Dentist1215998299

Verify Douglas Eugene Thomas 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 D5158    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

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61% fewer Medicare Part D claims than the average endodontics in 2024

47 Medicare Part D claims for 42 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Douglas Thomas47
  2. Specialty average121

Most prescribed

  1. Amoxicillin26 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.

Douglas Eugene Thomas among 149 endodontics records in Arizona

Douglas Eugene Thomas, D.D.S. is one of 149 endodontics records with a practice address in Arizona. 70% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 66% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2008 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Arizona

There are 149 endodontics records in Arizona.

All 149 in Arizona → Every provider in Scottsdale → Endodontics nationwide →

The 8 endodontics records with the nearest ZIP codes

  1. Robert Watts, DMDScottsdale, AZ 852551073648754
  2. Ryan Engelberg, D.D.S.Scottsdale, AZ 852541386860104
  3. Michael Markson, D.M.D.Scottsdale, AZ 852541740406552
  4. Karen Panietz, DDS, MSDScottsdale, AZ 852541033168117
  5. Hope Feldman, DMDScottsdale, AZ 852531275089088
  6. Robert Roda, DDS MSScottsdale, AZ 852531831217561
  7. Susan Wood, DDSParadise Valley, AZ 852531942322755
  8. Stuart Garber, D.D.S., M.S.Scottsdale, AZ 852511528123429

Common questions

What is Douglas Eugene Thomas, D.D.S.'s NPI number?

Douglas Eugene Thomas, D.D.S.'s National Provider Identifier (NPI) is 1790792521, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Douglas Eugene Thomas, D.D.S. located?

The NPPES record lists a practice address at 7500 E Pinnacle Peak RD, Scottsdale, AZ, 85255. Phone: (480) 585-2824. Providers update this record themselves, so call before visiting.

How can I verify Douglas Eugene Thomas, D.D.S.'s license?

NPPES lists Arizona license number D5158, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Douglas Eugene Thomas, D.D.S. prescribe under Medicare Part D?

In 2024, Douglas Eugene Thomas, D.D.S. had 47 Medicare Part D claims for 42 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.