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Provider Profile

Holly E. Grennan, SUDPT

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At a glance

About Holly Grennan

Holly E. Grennan, SUDPT is an addiction & substance abuse counselor based in Wenatchee, WA. The provider's National Provider Identifier (NPI) is 1235085341.

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

Credentials & Licensing

WA licenceAs reported to the NPI registry
No. CO70070799As reported
NPINational Provider Identifier
1235085341Issued 2026

As reported to the NPI registry ↗

Common questions

What kind of doctor is Holly E. Grennan?

Holly E. Grennan is an addiction & substance abuse counselor in Wenatchee, WA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Holly E. Grennan's address?

Holly E. Grennan is listed at 327 Okanogan Ave, Wenatchee, WA 98801. 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 E. Grennan?

The number on file is (509) 662-9673. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Holly E. Grennan?

Holly E. Grennan's National Provider Identifier is 1235085341. 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 E. Grennan's profile verified?

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

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