Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Phyllis Holzworth, ARNP

Individual provider Registered Nurse · NPI 1013012152

Phyllis Holzworth, ARNP is a Registered Nurse in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

See every abbreviation used in this directory →

Practice location Address checks out

3000 California Ave SW
Seattle, WA 98116-3302
Phone: (206) 658-8048
Fax: (206) 658-8063
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence RN00078257 (WA)
Nurse Practitioner Taxonomy 363L00000X · Licence AP30001367 (WA)

Record details

NPI number1013012152
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedSeptember 13, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address905 Spruce St Ste 300, Seattle, WA 98104-2474

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