NPPES file of Aug 9, 2026

Matthew Parker Johnston, DMD

Dentist · Grants Pass, OR

Matthew Parker Johnston, DMD is a dentist with a practice address in Grants Pass, Oregon, and NPI 1811903883, issued on Jul 31, 2006. Check the license (Oregon D8582, 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
1811903883
Name
Matthew Parker Johnston
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
D8582 OR
Self-reported in NPPES; status is on the state search
Practice location
1825 NW Hawthorne Ave, Grants Pass, OR 97526
Phone
(541) 479-6623
Enumerated
Jul 31, 2006
Record last updated
Feb 20, 2024
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 1825 NW Hawthorne Ave

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

  1. Shane Huish, DDSGeneral Practice Dentistry1851885206
  2. Jacob Roper, DDSGeneral Practice Dentistry1982287892

Verify Matthew Parker Johnston 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 D8582
    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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76% more Medicare Part D claims than the average dentist in 2024

151 Medicare Part D claims for 85 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Matthew Johnston151
  2. Specialty average86

Most prescribed

  1. Amoxicillin83 claims
  2. Hydrocodone-Acetaminophen17 claims
  3. 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.

25 dentist records list a practice address in Grants Pass

They are 25 of the 2,127 NPPES records with a practice address in Grants Pass, and 1,246 dentist records in Oregon.

Other dentist records in Oregon

  1. Tamara Abbett, D.D.S.Medford, OR1972504710
  2. Kyoko Abe, D.M.DPortland, OR1629142641
  3. Daniel Adair, D.D.S.Salem, OR1609287143
  4. Christopher Adams, D.D.S.Roseburg, OR1487886321
  5. Kathleene Adams, DMDPortland, OR1063582252
  6. Ranier Adarve, DMDPortland, OR1982789848
  7. Priyadarshini AgrawalNorth Bend, OR1912354689
  8. Azma Ahmed, DDSPortland, OR1417341983
  9. Lee Albrecht, DMDSalem, OR1639338130
  10. Roman Alexandroff, D.M.D.Warrenton, OR1811188824

Common questions

What is Matthew Parker Johnston, DMD's NPI number?

Matthew Parker Johnston, DMD's National Provider Identifier (NPI) is 1811903883, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Parker Johnston, DMD located?

The NPPES record lists a practice address at 1825 NW Hawthorne Ave, Grants Pass, OR, 97526. Phone: (541) 479-6623. Providers update this record themselves, so call before visiting.

How can I verify Matthew Parker Johnston, DMD's license?

NPPES lists Oregon license number D8582, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Matthew Parker Johnston, DMD prescribe under Medicare Part D?

In 2024, Matthew Parker Johnston, DMD had 151 Medicare Part D claims for 85 beneficiaries; the average among dentist prescribers was 86. 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.