Provider Profile

Caitlin THUY TIEN Nguyen

Unclaimed Profile

About Caitlin Nguyen

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Specialty

Optometrist (Primary)

Credentials & Licensing

IL license046012105
NPI1417873209
NPI issued06/25/2026

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentSometimes (reported per claim)
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What is Caitlin THUY TIEN Nguyen's specialty?

Caitlin THUY TIEN Nguyen is an optometrist in Chicago, IL. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Caitlin THUY TIEN Nguyen?

Caitlin THUY TIEN Nguyen is listed at 3241 S Michigan Ave Ste 1, Chicago, IL 60616. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Caitlin THUY TIEN Nguyen?

The number on file is (312) 225-6200. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Caitlin THUY TIEN Nguyen?

Caitlin THUY TIEN Nguyen's National Provider Identifier is 1417873209. 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

Is Caitlin THUY TIEN Nguyen's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Caitlin THUY TIEN Nguyen. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.