Provider Profile
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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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
11105 W ELMWOOD CT
Mokena, IL 60448
Jacob Janik is a nurse practitioner in Mokena, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Jacob Janik is listed at 11105 W Elmwood CT, Mokena, IL 60448. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (815) 557-0664. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Jacob Janik's National Provider Identifier is 1518859107. 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
Jacob Janik attended Other, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
Jacob Janik 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 Jacob Janik. 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.