NPPES file of Aug 9, 2026

Matthew Joel Cozby, D.D.S.

General Practice Dentistry · Lakebay, WA

Matthew Joel Cozby, D.D.S. is a general practice dentistry with a practice address in Lakebay, Washington, and NPI 1528218583, issued on Sep 26, 2008. Check the license (Washington DE60369651, as entered in NPPES) with the Washington 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
1528218583
Name
Matthew Joel Cozby
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DE60369651 WA
Self-reported in NPPES; status is on the state search
Practice location
9013 Key Peninsula Hwy N, Lakebay, WA 98349
Phone
(253) 884-9455
Enumerated
Sep 26, 2008
Record last updated
Jul 21, 2022
Fax
(253) 884-9466
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 9013 Key Peninsula Hwy N

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

  1. John Olsson, DDSGeneral Practice Dentistry1518077577

Verify Matthew Joel Cozby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license DE60369651
    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
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41% fewer Medicare Part D claims than the average general practice dentistry in 2024

49 Medicare Part D claims for 37 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. Matthew Cozby49
  2. Specialty average83

Most prescribed

  1. Amoxicillin35 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.

2 general practice dentistry records list a practice address in Lakebay

They are 2 of the 35 NPPES records with a practice address in Lakebay, and 3,196 general practice dentistry records in Washington.

Other general practice dentistry records in Washington

  1. Royal Aaby, DDSSilverdale, WA1487775912
  2. Sara AbdelhaiAuburn, WA1912745928
  3. David Abdo, D.D.SArlington, WA1215022199
  4. Megan Abdo, DDSBellingham, WA1750993911
  5. Susan Abdun-Nur, DDSBellevue, WA1497778872
  6. Norman Abe, DDSSeattle, WA1699852590
  7. Parvin Abedi, DDSTacoma, WA1467516310
  8. Larry Abell, DDSInchelium, WA1609913144
  9. Jeffrey Abolofia, DDSBurien, WA1386629657
  10. Greg Achtemichuk, DDSMukilteo, WA1780767533

Common questions

What is Matthew Joel Cozby, D.D.S.'s NPI number?

Matthew Joel Cozby, D.D.S.'s National Provider Identifier (NPI) is 1528218583, issued on Sep 26, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Joel Cozby, D.D.S. located?

The NPPES record lists a practice address at 9013 Key Peninsula Hwy N, Lakebay, WA, 98349. Phone: (253) 884-9455. Providers update this record themselves, so call before visiting.

How can I verify Matthew Joel Cozby, D.D.S.'s license?

NPPES lists Washington license number DE60369651, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Matthew Joel Cozby, D.D.S. prescribe under Medicare Part D?

In 2024, Matthew Joel Cozby, D.D.S. had 49 Medicare Part D claims for 37 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.