PHYLLIS HOLZWORTH ARNP
NPI 1013012152
Registered Nurse in Seattle, WA

Active since September 13, 2006
3000 CALIFORNIA AVE SW, SEATTLE, WA 98116(206) 658-8048(206) 658-8063 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Phyllis Holzworth Arnp NPPES

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

PHYLLIS HOLZWORTH ARNP (NPI 1013012152) is an individual registered nurse in Seattle, Washington, licensed in Washington (RN00078257) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1013012152
Entity TypeIndividualFemale
Primary Taxonomy163W00000X
Provider Legal NamePHYLLIS HOLZWORTHCredential: ARNP
Location Address3000 CALIFORNIA AVE SWSeattle, WA 98116-3302
Mailing Address905 Spruce St Ste 300Seattle, WA 98104-2474 · (206) 461-6935 · Fax (206) 461-8382
Fax(206) 658-8063
Sole ProprietorNo
Enumeration DateSeptember 13, 2006
Last NPPES UpdateSeptember 11, 2025
NPI 1013012152 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License Licensed in WA · RN00078257
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
Also ListedNurse PractitionerTaxonomy 363L00000X · License AP30001367 (WA)
3000 CALIFORNIA AVE SW, Seattle, WA 98116

Other Identifiers 1

Medicaid961586WA

Other Providers at the Same Location NPPES 12

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

Counselor (Mental Health)
3000 CALIFORNIA AVE SW
SEATTLE, WA 98116
Social Worker (Clinical)
3000 CALIFORNIA AVE SW
SEATTLE, WA 98116
Counselor (Mental Health)
3000 CALIFORNIA AVE SW
SEATTLE, WA 98116
Clinic/Center (Federally Qualified Health Center (FQHC))
3000 CALIFORNIA AVE SW
SEATTLE, WA 98116
Counselor (Mental Health)
3000 CALIFORNIA AVE SW
SEATTLE, WA 98116
Nurse Practitioner (Pediatrics)
3000 CALIFORNIA AVE SW
SEATTLE, WA 98116
Registered Nurse
3000 CALIFORNIA AVE SW
SEATTLE, WA 98116
Clinic/Center (Federally Qualified Health Center (FQHC))
3000 CALIFORNIA AVE SW
SEATTLE, WA 98116

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 Phyllis Holzworth's NPI number?

The NPI number for Phyllis Holzworth is 1013012152. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Where is Phyllis Holzworth located?

Phyllis Holzworth practices at 3000 California Ave SW, Seattle, WA 98116. The listed phone number is (206) 658-8048.

What is Phyllis Holzworth's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

When was this NPI record last updated?

The NPPES record for Phyllis Holzworth was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.