Mark W. Johnson, DMD
General Practice Dentistry · Thayne, WY
Mark W. 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.
- Name
- Mark W. 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
- Record last updated
- Jul 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (307) 883-4223
- Medicaid ID
- 124642900 WY
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 236 in Wyoming → Look up another NPI →
Verify Mark W. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
Search for license 1130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% 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 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin50 claims
- 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; by number, the most common kind was food and beverage; the largest payer was Solventum Corporation. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark W. Johnson among 236 general practice dentistry records in Wyoming
Mark W. Johnson, DMD is one of 236 general practice dentistry records with a practice address in Wyoming. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 41% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2014 · 80% 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 Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 general practice dentistry record lists a practice address in Thayne
They are 1 of the 31 NPPES records with a practice address in Thayne, and 236 general practice dentistry records in Wyoming.
All 236 in Wyoming → Every provider in Thayne → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Karen Cheek, DDSDiamondville, WY 831161629008776
- Micah Himmerich, DDSDiamondville, WY 831161790099489
- Scott Houfek, DDSBig Piney, WY 831131750414538
- James Livingston, DDSAfton, WY 831101871666164
- Loren Norman, D.D.S.Afton, WY 831101902941354
- Luke Owens, DMDAfton, WY 831101942684436
- Karl Robinson, DDSKemmerer, WY 831011457427122
- Robert Tyrrell, DDSKemmerer, WY 831011952499360
Common questions
What is Mark W. Johnson, DMD's NPI number?
Mark W. 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 W. 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 W. 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 W. Johnson, DMD prescribe under Medicare Part D?
In 2024, Mark W. Johnson, DMD had 95 Medicare Part D claims for 80 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.