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Holly Mason, MSW, LCSW

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At a glance

About Holly Mason

Holly Mason, MSW, LCSW is a clinical social worker based in Appleton, WI. The provider's National Provider Identifier (NPI) is 1861330565.

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

Specialty

Credentials & Licensing

WI licenceAs reported to the NPI registry
No. 9714-123As reported
NPINational Provider Identifier
1861330565Issued 2026

As reported to the NPI registry ↗

Common questions

What kind of doctor is Holly Mason, MSW?

Holly Mason, MSW is a clinical social worker in Appleton, WI. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Holly Mason, MSW's address?

Holly Mason, MSW is listed at 2800 E Enterprise Ave Ste 333, Appleton, WI 54913. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Holly Mason, MSW?

The number on file is (414) 414-6117. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Holly Mason, MSW?

Holly Mason, MSW's National Provider Identifier is 1861330565. 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 Holly Mason, MSW's profile verified?

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

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