Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark A Thompson, DVM
Veterinarian in Eden, WI · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023244563
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Registry record
Entity type Individual (Type 1)
Name Mark A Thompson
Credential DVM
Sex Male
Practice address N4415a Us Highway 45, Eden, WI, 53019
Phone (920) 477-3003
Fax (920) 477-4001
Enumeration date Jun 10, 2009
Last updated in NPPES Oct 15, 2014
Taxonomy & licenses
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.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Mark Thompson?
Mark Thompson is registered in NPPES with the primary taxonomy of Veterinarian. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-10-15.