Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Mark W Johnson, Dmd, PC

General Practice Dentistry in Thayne, WY · enumerated 2023 · authorized official Mark Johnson, Dentist.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1073204533

Verified

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Registry record

Entity type Organization (Type 2)

Legal business name Mark W Johnson, Dmd, PC

Practice address 487 N Main St Ste B, Thayne, WY, 83127

Phone (307) 883-4222

Enumeration date May 16, 2023

Last updated in NPPES May 16, 2023

Taxonomy & classification

1223G0001X General Practice Dentistry Dental Providers Primary

Authorized official

Name Mark Johnson

Title Dentist

Phone (307) 883-4222

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2023-05-16. Verify at npiregistry.cms.hhs.gov.

Where is Mark W Johnson, Dmd, PC located?

The practice location on file with NPPES is in Thayne, WY.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-16.