Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Thomas Paul Colvin, OD
Optometrist in Wausau, WI · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255079927
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Thomas Paul Colvin
Credential OD
Sex Male
Practice address 800 N 1st St, Wausau, WI, 54403
Phone (715) 261-8500
Enumeration date May 23, 2022
Last updated in NPPES Nov 17, 2025
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
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
Where does Thomas Colvin practice?
The practice location on file with NPPES is in Wausau, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Thomas Colvin?
The National Provider Identifier (NPI) for Thomas Colvin is 1255079927, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Matthew Hattenhauer Ophthalmology Physician · Wausau, WI NPI 1619950425 Calvin Sprik Ophthalmology Physician · Wausau, WI NPI 1811970635 Robert Beauchene Ophthalmology Physician · Wausau, WI NPI 1831172675 Kevin Flaherty Ophthalmology Physician · Wausau, WI NPI 1740263581 Thaddeus Krolicki Ophthalmology Physician · Wausau, WI NPI 1053394874 David Tuman Ophthalmology Physician · Wausau, WI NPI 1801879630 Douglas Edwards Ophthalmology Physician · Wausau, WI NPI 1679556484 Daniel Stoehr Optometrist · Wausau, WI NPI 1184607913
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-17.