Provider Profile

Jan Griessmann

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About Jan Griessmann

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Specialty

Credentials & Licensing

NPI1619819869
NPI issued04/07/2026

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.

Common questions

Where is Jan Griessmann located?

Jan Griessmann is listed at 28175 Haggerty Rd, Novi, MI 48377. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Jan Griessmann's phone number?

The number on file is (734) 201-4846. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Jan Griessmann?

Jan Griessmann's National Provider Identifier is 1619819869. 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 Jan Griessmann's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Jan Griessmann. 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.