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

MCARTHUR GRUFF & ASSOCIATES LLC
NPI 1952860066
Nurse Practitioner - Psychiatric/Mental Health in Hillsboro, OR

Active since March 18, 2019
535 SE WASHINGTON ST, HILLSBORO, OR 97123(503) 755-6703(503) 755-6704 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 17, 2026, Apr 9, 2026, Nov 26, 2025 and 13 more (16 updates tracked since 2019).

About Mcarthur Gruff & Associates Llc NPPES

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

MCARTHUR GRUFF & ASSOCIATES LLC (NPI 1952860066) is a healthcare organization registered as a psychiatric/mental health in Hillsboro, Oregon and active in the NPI registry since March 2019. The organization lists Carmen Kosicek, Owner, as its authorized official.

NPPES Registry Identity

NPI1952860066
Entity TypeOrganization
Primary Taxonomy363LP0808X
Legal Business NameMCARTHUR GRUFF & ASSOCIATES LLC
Location Address535 SE WASHINGTON STHillsboro, OR 97123-4142
Mailing Address1846 E Innovation Park DrOro Valley, AZ 85755-1963 · (503) 755-6703 · Fax (503) 755-6704
Phone(503) 755-6703
Fax(503) 755-6704
Organization SubpartNo
Authorized OfficialCarmen KosicekOwner · (503) 755-6703
Enumeration DateMarch 18, 2019
Last NPPES UpdateJuly 17, 202616 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1952860066 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Also ListedClinic/Center · Mental Health (Including Community Mental Health Center)Taxonomy 261QM0801X
Also ListedClinic/Center · Medical SpecialtyTaxonomy 261QM2500X
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X
535 SE WASHINGTON ST, Hillsboro, OR 97123
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Providence Health Plan.Insurance ›

Other Providers at the Same Location NPPES 20

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

MRS. CHRISTINE MARIE DOUGLAS PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 755-6703
DR. TONYA A BOYD PSYD
Psychologist (Clinical)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 840-2053
MS. SARA ALAYNE PITKANEN M.ED. MFT QMHP
Marriage & Family Therapist
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 998-9546
PATRICIA A. BAILEY LCSW
Social Worker (Clinical)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 648-5892
SHANNON MICHELLE EATON MSN, FPMHNP, PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 755-6703
MICHELLE SANDRI
Counselor (Mental Health)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 402-1982
TONYA BOYD, PSYD
Psychologist (Clinical)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 840-2053
ROBERT B.S. LABRASCA APRN
Nurse Practitioner (Psychiatric/Mental Health)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 755-6703

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 Mcarthur Gruff & Associates LLC's NPI number?

The NPI number for Mcarthur Gruff & Associates LLC is 1952860066. It was assigned to this organization in the NPPES registry on March 18, 2019.

Where is Mcarthur Gruff & Associates LLC located?

Mcarthur Gruff & Associates LLC is located at 535 SE Washington St, Hillsboro, OR 97123. The listed phone number is (503) 755-6703.

What is Mcarthur Gruff & Associates LLC's specialty?

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

What insurance does Mcarthur Gruff & Associates LLC accept?

Health plans from Moda Health Plan, Inc. and Providence Health Plan list Mcarthur Gruff & Associates LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mcarthur Gruff & Associates LLC was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 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.