NPPES file of Aug 9, 2026

Stephen Koza, DMD

General Practice Dentistry · La Grande, OR

Stephen Koza, DMD is a general practice dentistry with a practice address in La Grande, Oregon, and NPI 1861552085, issued on Dec 11, 2006. Check the license (Oregon D8404, as entered in NPPES) with the Oregon 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
1861552085
Name
Stephen Koza
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
D8404 OR
Self-reported in NPPES; status is on the state search
Practice location
2502 Cove Ave, La Grande, OR 97850
Phone
(541) 963-4962
Enumerated
Dec 11, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 2502 Cove Ave

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

  1. Paulette Hugulet, DCChiropractor1952650178

Verify Stephen Koza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license D8404
    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 Oregon license search

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20% fewer Medicare Part D claims than the average general practice dentistry in 2024

66 Medicare Part D claims for 50 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Stephen Koza66
  2. Specialty average83

Most prescribed

  1. Amoxicillin40 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 Koza among 1,888 general practice dentistry records in Oregon

Stephen Koza, DMD is one of 1,888 general practice dentistry records with a practice address in Oregon. 60% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 55% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 general practice dentistry records list a practice address in La Grande

They are 6 of the 557 NPPES records with a practice address in La Grande, and 1,888 general practice dentistry records in Oregon.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Russell Kilpatrick, DMDLa Grande, OR 978501992811327
  2. Brian Kruse, DMDLa Grande, OR 978501851406748
  3. Stephen McLean, DMDLa Grande, OR 978501831384247
  4. James McMahan, DMDLa Grande, OR 978501063412302
  5. Edward Stuedli, DDSLa Grande, OR 978501659546661
  6. Michael Desjardin, D.M.D.John Day, OR 978451720203227
  7. James Klusmier, D.D.S.John Day, OR 978451356360044
  8. Kenneth Peterson, D.M.D.John Day, OR 978451053321497

Common questions

What is Stephen Koza, DMD's NPI number?

Stephen Koza, DMD's National Provider Identifier (NPI) is 1861552085, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Koza, DMD located?

The NPPES record lists a practice address at 2502 Cove Ave, La Grande, OR, 97850. Phone: (541) 963-4962. Providers update this record themselves, so call before visiting.

How can I verify Stephen Koza, DMD's license?

NPPES lists Oregon license number D8404, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Stephen Koza, DMD prescribe under Medicare Part D?

In 2024, Stephen Koza, DMD had 66 Medicare Part D claims for 50 beneficiaries; the average among general practice dentistry prescribers was 83. 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.

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.