NPPES file of Aug 9, 2026

Olivia Jean Barnhart, OD

Optometrist · Two Rivers, WI

Olivia Jean Barnhart, OD is an optometrist with a practice address in Two Rivers, Wisconsin, and NPI 1184327314, issued on Mar 27, 2023. Check the license (Wisconsin 3907-35, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184327314
Name
Olivia Jean Barnhart
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
3907-35 WI
Self-reported in NPPES; status is on the state search
Practice location
5300 Memorial Dr, Two Rivers, WI 54241
Phone
(920) 793-7515
Enumerated
Mar 27, 2023
Record last updated
Sep 5, 2023
Medicaid ID
100241490 WI
Medicare enrollment
Enrolled (PECOS I20230713001521); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5300 Memorial Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Judith Arnold, MDChild & Adolescent Psychiatry Physician1578592572
  2. Jane Bersch, LMTMassage Therapist1487282802
  3. Kathleen BoettcherNurse Practitioner1568838951
  4. Dawn Bolwerk, APNPPsychiatric/Mental Health Nurse Practitioner1851563332
  5. Beverly Brandt, FNPNurse Practitioner1336158021
  6. Julie Brunner, RNDiabetes Educator Registered Nurse1376037499

Verify Olivia Jean Barnhart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 3907-35    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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58% fewer Medicare Part D claims than the average optometrist in 2024

117 Medicare Part D claims for 58 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.

  1. Olivia Barnhart117
  2. Specialty average277

Most prescribed

  1. Latanoprost35 claims
  2. Erythromycin15 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

  1. Aurora Medical Group, Inc.Two Rivers, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Optometrist providers in Wisconsin

There are 1,161 optometrist records in Wisconsin.

All 1,161 in Wisconsin → Every provider in Two Rivers →

Other optometrist records in Wisconsin

  1. Katie Abata, O.D.Appleton, WI1043646623
  2. Brianna Adams, ODStoughton, WI1093605222
  3. Gerald Adams, ODWestby, WI1760479182
  4. James AdamsPortage, WI1154007953
  5. Lawrence Addison, O.D.Weston, WI1760794697
  6. Farzana AkterWaupun, WI1346821725
  7. Margarette Elaine Alcesto, ODShorewood, WI1669984563
  8. Robert Alexejun, O.D.Wausau, WI1235275009
  9. Carmen Alfonso-Kneiert, ODFort Atkinson, WI1710938634
  10. Jennifer Alvarez, O.D.Brookfield, WI1316255805

Common questions

What is Olivia Jean Barnhart, OD's NPI number?

Olivia Jean Barnhart, OD's National Provider Identifier (NPI) is 1184327314, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Olivia Jean Barnhart, OD located?

The NPPES record lists a practice address at 5300 Memorial Dr, Two Rivers, WI, 54241. Phone: (920) 793-7515. Providers update this record themselves, so call before visiting.

How can I verify Olivia Jean Barnhart, OD's license?

NPPES lists Wisconsin license number 3907-35, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Olivia Jean Barnhart, OD prescribe under Medicare Part D?

In 2024, Olivia Jean Barnhart, OD had 117 Medicare Part D claims for 58 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.