Registry data as of Aug 27, 2026

Mark Johnson, DMD

General Practice Dentistry · Thayne, WY

Mark Johnson, DMD is a general practice dentistry with a practice address in Thayne, Wyoming, and NPI 1629121496, issued on Jan 18, 2007. Check the license (Wyoming 1130, as entered in NPPES) with the Wyoming board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1629121496
Name
Mark Johnson
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
1130 WY
Self-reported in NPPES; status is on the state search
Practice location
487 N Main, Thayne, WY 83127
Phone
(307) 883-4222
Enumerated
Jan 18, 2007
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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Verify Mark Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
    Search for license 1130
    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 Wyoming license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

13% more Medicare Part D claims than the average general practice dentistry in 2024

95 Medicare Part D claims for 80 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D.

  1. Mark Johnson95
  2. Specialty average84

Most prescribed

  1. Amoxicillin50 claims
  2. Cephalexin33 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.

Industry payments in 2024: $46.65

2 payments, mostly food and beverage; the largest payer was Solventum Corporation. The 40,968 providers of this specialty with any payment received $593.28 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Johnson$46.65
  2. Specialty average$593.28

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

1 general practice dentistry records list a Thayne practice address

They are 1 of the 31 NPPES records with a Thayne practice address, and 231 general practice dentistry records in Wyoming.

Other general practice dentistry records in Wyoming

  1. Larry Akin, D.D.S., P.C.Powell, WY1144358268
  2. Dan Allegretti, DDSCheyenne, WY1255446159
  3. Lance Anderson, DMDLovell, WY1871857334
  4. Mark Anderson, DDSWheatland, WY1699812776
  5. Tate Anderson, DDSGreybull, WY1568023471
  6. Paul Axthelm, DDSRiverton, WY1710980651
  7. Susan Baker, D.D.S.Lander, WY1992868996
  8. Robert Barelman, DDSGillette, WY1750489316
  9. Todd Barker, DDSCheyenne, WY1952359127
  10. Dana Barnes, DDSCheyenne, WY1770656654

Common questions

What is Mark Johnson, DMD's NPI number?

Mark Johnson, DMD's National Provider Identifier (NPI) is 1629121496, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark Johnson, DMD located?

The NPPES record lists a practice address at 487 N Main, Thayne, WY, 83127. Phone: (307) 883-4222. Providers update this record themselves, so call before visiting.

How can I verify Mark Johnson, DMD's license?

NPPES lists Wyoming license number 1130, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Johnson, DMD prescribe under Medicare Part D?

In 2024, Mark Johnson, DMD had 95 Medicare Part D claims for 80 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.