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

Carol Ann Horwitt, ARNP

Individual provider Obstetrics & Gynecology Nurse Practitioner · NPI 1588748297

Carol Ann Horwitt, ARNP is an Obstetrics & Gynecology Nurse Practitioner in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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

1229 Madison St Ste 1450
Seattle, WA 98104-3538
Phone: (206) 215-6300
Fax: (206) 215-6301
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Nurse Practitioner (primary) Taxonomy 363LX0001X · Licence RN00045364 (WA)

Record details

NPI number1588748297
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedOctober 25, 2006
Last updated in NPPESSeptember 19, 2008

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