Theresa L. Frith, O.D.
Optometrist · Baraboo, WI
Theresa L. Frith, O.D. is an optometrist with a practice address in Baraboo, Wisconsin, and NPI 1366497877, issued on May 23, 2006. Check the license (Wisconsin 2809-035, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa L. Frith
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2809-035 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1626 Tuttle St, Baraboo, WI 53913
- Phone
- (608) 356-2020
- Enumerated
- May 23, 2006
- Record last updated
- Nov 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 355-7055
- Medicaid ID
- 1366497877 WI
- Medicare enrollment
- Enrolled (PECOS I20161110001656); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 1997
- Entity
- Type 1 · individual
Also registered at 1626 Tuttle St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelsy Brill, APNPNurse Practitioner1316650120
- Morgan FultonNurse Practitioner1477197176
- Sara Horras, P.A.Physician Assistant1578573036
- Chad Johnson, ODOptometrist1720030133
- Kellie Jones-Monahan, M.D.Surgery Physician1467568345
- Przemyslaw Kamien, M.D.Orthopaedic Surgery Physician1740309418
Verify Theresa L. Frith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2809-035Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average optometrist in 2024
620 Medicare Part D claims for 147 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Latanoprost309 claims
- Timolol Maleate85 claims
- Dorzolamide-Timolol57 claims
- Brimonidine Tartrate32 claims
- Prednisolone Acetate24 claims
- Combigan16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Dean Health Systems IncBaraboo, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
9 optometrist records list a practice address in Baraboo
They are 9 of the 410 NPPES records with a practice address in Baraboo, and 1,161 optometrist records in Wisconsin.
All 9 in Baraboo → All 1,161 in Wisconsin → Every provider in Baraboo →
Other optometrist records in Wisconsin
- Katie Abata, O.D.Appleton, WI1043646623
- Brianna Adams, ODStoughton, WI1093605222
- Gerald Adams, ODWestby, WI1760479182
- James AdamsPortage, WI1154007953
- Lawrence Addison, O.D.Weston, WI1760794697
- Farzana AkterWaupun, WI1346821725
- Margarette Elaine Alcesto, ODShorewood, WI1669984563
- Robert Alexejun, O.D.Wausau, WI1235275009
- Carmen Alfonso-Kneiert, ODFort Atkinson, WI1710938634
- Jennifer Alvarez, O.D.Brookfield, WI1316255805
Common questions
What is Theresa L. Frith, O.D.'s NPI number?
Theresa L. Frith, O.D.'s National Provider Identifier (NPI) is 1366497877, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Theresa L. Frith, O.D. located?
The NPPES record lists a practice address at 1626 Tuttle St, Baraboo, WI, 53913. Phone: (608) 356-2020. Providers update this record themselves, so call before visiting.
How can I verify Theresa L. Frith, O.D.'s license?
NPPES lists Wisconsin license number 2809-035, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Theresa L. Frith, O.D. prescribe under Medicare Part D?
In 2024, Theresa L. Frith, O.D. had 620 Medicare Part D claims for 147 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.