Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALLISON SIX
NPI 1831530203
Nurse Practitioner - Psychiatric/Mental Health in Washington, PA

Q: What is Allison Six's NPI number?

The NPI number for Allison Six is 1831530203. It was assigned to this individual provider in the NPPES registry on July 12, 2013.

Q: What is Allison Six's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Allison Six was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 12, 2013

1445 WASHINGTON RD STE 100, WASHINGTON, PA 15301(724) 995-3305(724) 617-5546 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Allison Six NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALLISON SIX (NPI 1831530203) is an individual psychiatric/mental health provider in Washington, Pennsylvania, licensed in Pennsylvania (SP028498) and active in the NPI registry since July 2013.

NPPES Registry Identity

NPI1831530203

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameALLISON SIX

Location Address1445 WASHINGTON RD STE 100Washington, PA 15301-9711

Mailing AddressPo Box 356Meadow Lands, PA 15347-0356 · (724) 995-3305 · Fax (724) 617-5546

Phone(724) 995-3305

Fax(724) 617-5546

Sole ProprietorNo

Enumeration DateJuly 12, 2013

Last NPPES UpdateOctober 22, 2026

NPPES CertifiedOctober 22, 2026

✔ NPI 1831530203 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in PA · SP028498

Also ListedNurse PractitionerTaxonomy 363L00000X · License SP012930 (PA)

1445 WASHINGTON RD STE 100, Washington, PA 15301

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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CARDINAL MENTAL HEALTH AND WELLNESS LLC

Clinic/Center (Mental Health (Including Community Mental Health Center))

1445 WASHINGTON RD STE 100
WASHINGTON, PA 15301

Washington County (724) 995-3305

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Allison Six's NPI number?

The NPI number for Allison Six is 1831530203. It was assigned to this individual provider in the NPPES registry on July 12, 2013.

Where is Allison Six located?

Allison Six practices at 1445 Washington Rd Ste 100, Washington, PA 15301. The listed phone number is (724) 995-3305.

What is Allison Six's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Allison Six was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.