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Optometry

Theresa L. Frith, OD

Sees patients in Baraboo, WI · Wisconsin

Summary

Theresa L. Frith, OD (Optometry) is enrolled with Medicare at 1 practice location in Baraboo, WI. NPI 1366497877. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Theresa L. Frith, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OptometryPrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
Illinois College Of Optometry At ChicagoMedical school
FemaleGender (as listed)
Dean Health Systems IncGroup practice

Quick answers

Where does Theresa L. Frith see patients?
Medicare's clinician data lists 1 practice location in Baraboo, WI. Call before your visit to confirm the address.
What is Theresa L. Frith's specialty?
Medicare lists Optometry as the primary specialty.
Does Theresa L. Frith accept Medicare assignment?
Yes. Medicare's clinician data says Theresa L. Frith accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Theresa L. Frith?
(608) 355-2033, as listed in official Medicare / NPI Registry data.
What is Theresa L. Frith's NPI number?
1366497877. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Theresa L. Frith is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Theresa L. Frith as a member of this group (CMS data updated 2026-10-02).

  • Dean Health Systems Inc1,159 clinicians in the group

Specialties

Find other clinicians: Optometry, Wisconsin →

Other optometrists in Baraboo

Clinicians with the same Medicare primary specialty in Baraboo, WI — not a recommendation.

All optometrists in Baraboo →

Clinician information

CredentialOD
Medical schoolIllinois College Of Optometry At Chicago
Graduation year1997
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366497877
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians