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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. THOMAS LEE DAHLBY O.D.
NPI 1316998404
Optometrist in Winona, MN

Active since May 13, 2006
405 COTTONWOOD DR, WINONA, MN 55987(507) 452-6175(507) 457-3526 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Thomas Lee Dahlby O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS LEE DAHLBY O.D. (NPI 1316998404) is an individual optometrist in Winona, Minnesota, licensed in Minnesota (1940) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1316998404
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. THOMAS LEE DAHLBYCredential: O.D.
Location Address405 COTTONWOOD DRWinona, MN 55987-1914
Mailing Address405 Cottonwood DrWinona, MN 55987-1914 · (507) 452-6175 · Fax (507) 457-3526
Phone(507) 452-6175
Fax(507) 457-3526
Sole ProprietorNo
Enumeration DateMay 13, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1316998404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in MN · 1940
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
405 COTTONWOOD DR, Winona, MN 55987
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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CATHERINE TESMER RPH
Pharmacist
405 COTTONWOOD DR
WINONA, MN 55987
Winona County (507) 452-1244
SHOPKO STORES OPERATING CO. LLC
Eyewear Supplier
405 COTTONWOOD DR
WINONA, MN 55987
Winona County (507) 452-6175
SHOPKO STORES OPERATING CO LLC
Pharmacy (Community/Retail Pharmacy)
405 COTTONWOOD DR
WINONA, MN 55987
Winona County (507) 452-1244

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Dahlby's NPI number?

The NPI number for Thomas Dahlby is 1316998404. It was assigned to this individual provider in the NPPES registry on May 13, 2006.

Where is Thomas Dahlby located?

Thomas Dahlby practices at 405 Cottonwood Dr, Winona, MN 55987. The listed phone number is (507) 452-6175.

What is Thomas Dahlby's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

When was this NPI record last updated?

The NPPES record for Thomas Dahlby was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.