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Provider Profile

Mark Slapak, RDN

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At a glance

About Mark Slapak

Listed in the NPI registry as a registered dietitian / nutritionist, Mark Slapak, RDN practices in Austin, TX. NPI 1104739440 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Credentials & Licensing

NPINational Provider Identifier
1104739440Issued 2026

As reported to the NPI registry ↗

Common questions

What is Mark Slapak's specialty?

Mark Slapak is a registered dietitian / nutritionist in Austin, TX. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Mark Slapak?

Mark Slapak is listed at 4100 W Slaughter Ln Apt 10304, Austin, TX 78749. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Mark Slapak?

The number on file is (630) 212-1796. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Mark Slapak's NPI number?

Mark Slapak's National Provider Identifier is 1104739440. 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

Has Mark Slapak confirmed this information?

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

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