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Edit this profileSai Oak, OD practices optometry in Sturgeon Bay, WI. Sai is a 2025 graduate of Southern College of Optometry. Sai is also listed as specializing in optometrist. The provider's National Provider Identifier (NPI) is 1104712926.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
165 N 3RD AVE
Sturgeon Bay, WI 54235
Dr. Oak is an optometry in Sturgeon Bay, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Oak is listed at 165 N 3Rd Ave, Sturgeon Bay, WI 54235. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (920) 743-2020. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Oak's National Provider Identifier is 1104712926. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Oak attended Southern College of Optometry, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
Dr. Oak has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oak. If this is you, claiming it is free.
Guide.md
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