Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

YARROW BEHAVIORAL HEALTH PLLC
NPI 1285542423
Nurse Practitioner - Psychiatric/Mental Health in Phoenix, AZ

Q: What is Yarrow Behavioral Health PLLC's NPI number?

The NPI number for Yarrow Behavioral Health PLLC is 1285542423. It was assigned to this organization in the NPPES registry on August 29, 2026.

Q: What is Yarrow Behavioral Health PLLC's specialty?

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

Active since August 29, 2026

2445 W SPENCER RUN, PHOENIX, AZ 85041(602) 663-5580 Get Directions Write a Review

NPPES record added: August 29, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Yarrow Behavioral Health Pllc NPPES

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

YARROW BEHAVIORAL HEALTH PLLC (NPI 1285542423) is a healthcare organization registered as a psychiatric/mental health in Phoenix, Arizona and active in the NPI registry since August 2026. The organization lists Kathryn Lise Montierth, Sole Member, as its authorized official.

NPPES Registry Identity

NPI1285542423

Entity TypeOrganization

Primary Taxonomy363LP0808X

Legal Business NameYARROW BEHAVIORAL HEALTH PLLC

Location Address2445 W SPENCER RUNPhoenix, AZ 85041-2949

Mailing Address2445 W Spencer RunPhoenix, AZ 85041-2949 · (602) 663-5580

Phone(602) 663-5580

Organization SubpartNo

Authorized OfficialKathryn Lise MontierthSole Member · (602) 663-5580

Enumeration DateAugust 29, 2026

NPPES CertifiedAugust 29, 2026

✔ NPI 1285542423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

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

Taxonomy Code363LP0808X

2445 W SPENCER RUN, Phoenix, AZ 85041

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

KATHRYN LISE MONTIERTH NP

Nurse Practitioner (Psychiatric/Mental Health)

2445 W SPENCER RUN
PHOENIX, AZ 85041

Maricopa County (602) 663-5580

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 Yarrow Behavioral Health PLLC's NPI number?

The NPI number for Yarrow Behavioral Health PLLC is 1285542423. It was assigned to this organization in the NPPES registry on August 29, 2026.

Where is Yarrow Behavioral Health PLLC located?

Yarrow Behavioral Health PLLC is located at 2445 W Spencer Run, Phoenix, AZ 85041. The listed phone number is (602) 663-5580.

What is Yarrow Behavioral Health PLLC'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 Yarrow Behavioral Health PLLC was last updated on August 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.