Physician Profile

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About CERNIAK

Based in Joliet, IL, Gerard Dennis Cerniak, M.D. is listed in the NPI registry under internal medicine. Gerard is also listed as specialising in gastroenterology.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Areas of Expertise

Internal Medicine (Primary)
Gastroenterology (Additional)

Common questions

What does Dr. Cerniak specialise in?

Dr. Cerniak is an internist in Joliet, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Internal Medicine”.

NPI registry

Where is Dr. Cerniak located?

Dr. Cerniak is listed at 208 TIMBERLINE CT., Joliet, IL 60431. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Cerniak's phone number?

The number on file is (815) 744-7507. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. Cerniak?

Dr. Cerniak's National Provider Identifier is 1003587049. 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

How much experience does Dr. Cerniak have?

Dr. Cerniak has 5+ years experience. Registered with an NPI since 2021. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.

NPI registry

Is Dr. Cerniak's profile verified?

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

Guide.md

Licensing & Certification

IL license36-46439
NPI1003587049
NPI issued09/21/2021

Source: NPPES NPI Registry

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Related providers

Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.

Other internists in Joliet 8

Same specialty, same city.

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