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Provider Profile

Heather D. Onishea, CASAC-T

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At a glance

About Heather Onishea

Heather D. Onishea, CASAC-T is an addiction & substance abuse counselor practicing in Brentwood, NY. This provider record is associated with NPI 1831038355.

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

Specialty

Addiction & Substance Abuse Counselor (Primary)

Credentials & Licensing

NY licenceAs reported to the NPI registry
No. 40559As reported
NPINational Provider Identifier
1831038355Issued 2026

As reported to the NPI registry ↗

Common questions

What does Heather D. Onishea specialize in?

Heather D. Onishea is an addiction & substance abuse counselor in Brentwood, NY. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Heather D. Onishea located?

Heather D. Onishea is listed at 400 Crooked Hill Rd, Brentwood, NY 11717. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Heather D. Onishea's phone number?

The number on file is (631) 231-3232. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Heather D. Onishea?

Heather D. Onishea's National Provider Identifier is 1831038355. 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 Heather D. Onishea's profile verified?

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

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