Sai Oak, OD
Optometrist · Sturgeon Bay, WI
Sai Oak, OD is an optometrist with a practice address in Sturgeon Bay, Wisconsin, and NPI 1104712926, issued on Jun 17, 2025. Check the license (Wisconsin 4074-35, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sai Oak
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 4074-35 WI
Self-reported in NPPES; status is on the state search - Practice location
- 165 N 3RD Ave, Sturgeon Bay, WI 54235
- Phone
- (920) 743-2020
- Enumerated
- Jun 17, 2025
- Record last updated
- Sep 30, 2025
- Fax
- (920) 743-9601
- Medicare enrollment
- Enrolled (PECOS I20250723003119); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 2025
- Entity
- Type 1 · individual
Also registered at 165 N 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Lodholz, O.D.Optometrist1043449978
- Annika Paulsen, ODOptometrist1164083705
- John Paulsen, O.D.Optometrist1215921234
Verify Sai Oak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4074-35Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Door County Eye Associates, IncSturgeon Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
7 optometrist records list a practice address in Sturgeon Bay
They are 7 of the 350 NPPES records with a practice address in Sturgeon Bay, and 1,161 optometrist records in Wisconsin.
All 7 in Sturgeon Bay → All 1,161 in Wisconsin → Every provider in Sturgeon Bay →
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 Sai Oak, OD's NPI number?
Sai Oak, OD's National Provider Identifier (NPI) is 1104712926, issued on Jun 17, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Sai Oak, OD located?
The NPPES record lists a practice address at 165 N 3RD Ave, Sturgeon Bay, WI, 54235. Phone: (920) 743-2020. Providers update this record themselves, so call before visiting.
How can I verify Sai Oak, OD's license?
NPPES lists Wisconsin license number 4074-35, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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.