NPPES file of Aug 9, 2026

Stephen L. Walker, DDS, MS

Endodontics · Mesa, AZ

Stephen L. Walker, DDS, MS is an endodontics with a practice address in Mesa, Arizona, and NPI 1720166499, issued on Nov 1, 2006. Check the license (Arizona D6935, 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
1720166499
Name
Stephen L. Walker
Credential
DDS, MS
Primary taxonomy
Endodontics 1223E0200X
License number
D6935 AZ
Self-reported in NPPES; status is on the state search
Practice location
2220 W Southern Ave, Mesa, AZ 85202
Phone
(480) 834-7100
Enumerated
Nov 1, 2006
Record last updated
Dec 4, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(480) 833-3134
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 2220 W Southern Ave

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

  1. Chad Cravatta, DMD, MSPeriodontics1457579302

Verify Stephen L. Walker 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 D6935    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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19% more Medicare Part D claims than the average endodontics in 2024

144 Medicare Part D claims for 90 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Stephen Walker144
  2. Specialty average121

Most prescribed

  1. Amoxicillin71 claims
  2. Acetaminophen-Codeine21 claims
  3. Methylprednisolone21 claims
  4. Clindamycin Hcl14 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.

Stephen L. Walker among 149 endodontics records in Arizona

Stephen L. Walker, DDS, MS 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 updated2013 · 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 Mesa → Endodontics nationwide →

The 8 endodontics records with the nearest ZIP codes

  1. John Gillan, DDS MSMesa, AZ 852021417902107
  2. Robert Lees, DDS MSMesa, AZ 852021588619274
  3. Jonathan Barnes, D.M.DMesa, AZ 852041750655627
  4. Steven Frost, D.D.S.Mesa, AZ 852041033271945
  5. James Hamberlin, D.D.S.Mesa, AZ 852041255493151
  6. Tyler Quinn, D.D.S.Mesa, AZ 852041639564784
  7. Raymond Vanderwerf, DDS, CAGSMesa, AZ 852041013126101
  8. Brian Christopherson, DDSMesa, AZ 852051225115942

Common questions

What is Stephen L. Walker, DDS, MS's NPI number?

Stephen L. Walker, DDS, MS's National Provider Identifier (NPI) is 1720166499, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen L. Walker, DDS, MS located?

The NPPES record lists a practice address at 2220 W Southern Ave, Mesa, AZ, 85202. Phone: (480) 834-7100. Providers update this record themselves, so call before visiting.

How can I verify Stephen L. Walker, DDS, MS's license?

NPPES lists Arizona license number D6935, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Stephen L. Walker, DDS, MS prescribe under Medicare Part D?

In 2024, Stephen L. Walker, DDS, MS had 144 Medicare Part D claims for 90 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.