KATHLEEN A WITMER ARNP
NPI 1457415499
Nurse Practitioner in Seattle, WA

Q: What is Kathleen Witmer's NPI number?

The NPI number for Kathleen Witmer is 1457415499. It was assigned to this individual provider in the NPPES registry on December 21, 2006.

Q: What is Kathleen Witmer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Kathleen Witmer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.

Active since December 21, 2006

1221 MADISON ST, STE 400, SEATTLE, WA 98104(206) 215-6400(206) 215-6401 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Kathleen A Witmer Arnp NPPES

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

KATHLEEN A WITMER ARNP (NPI 1457415499) is an individual nurse practitioner in Seattle, Washington and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1457415499

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameKATHLEEN A WITMERCredential: ARNP

Location Address1221 MADISON ST, STE 400Seattle, WA 98104-3588

Mailing Address1221 Madison St, Ste 400Seattle, WA 98104-3588 · (206) 215-6400 · Fax (206) 215-6401

Phone(206) 215-6400

Fax(206) 215-6401

Sole ProprietorNo

Enumeration DateDecember 21, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1457415499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

1221 MADISON ST, Seattle, WA 98104

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Other Identifiers 4

Medicare ID-Type Unspecified8854545WA

Medicare UPINP28306

Other0197895WA · Labor And Industries

Medicaid9630757WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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.

PET-CT IMAGING AT SWEDISH CANCER INSTITUTE LLC

Radiology (Diagnostic Radiology)

1221 MADISON ST, STE 150
SEATTLE, WA 98104

King County (206) 215-6487

JULIA CAROLYN BOKMA PARKER DNP, ARNP, BSN, OCN

Nurse Practitioner (Adult Health)

1221 MADISON ST, STE 1020
SEATTLE, WA 98104

King County (206) 215-2658

SWEDISH HEALTH SERVICES

Surgery

1221 MADISON ST, STE 1411
SEATTLE, WA 98104

King County (206) 386-6700

MARTHA A. CLAY ARNP

Nurse Practitioner (Adult Health)

1221 MADISON ST, SUITE 400
SEATTLE, WA 98104

King County (206) 215-6400

SWATHI NAMBURI MD

Internal Medicine (Hematology & Oncology)

1221 MADISON ST, STE 1020
SEATTLE, WA 98104

King County (206) 215-2658

DR. MARC HORTON MD

Surgery

1221 MADISON ST
SEATTLE, WA 98104

King County (206) 386-6700

LASER VISION CENTERS, INC.

Clinic/Center

1221 MADISON ST, STE. 690
SEATTLE, WA 98104

King County (206) 215-3555

JILL RENDER M.D.

Pediatrics

1221 MADISON ST, SUITE 910
SEATTLE, WA 98104

King County (206) 329-1760

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 Kathleen Witmer's NPI number?

The NPI number for Kathleen Witmer is 1457415499. It was assigned to this individual provider in the NPPES registry on December 21, 2006.

Where is Kathleen Witmer located?

Kathleen Witmer practices at 1221 Madison St Ste 400, Seattle, WA 98104. The listed phone number is (206) 215-6400.

What is Kathleen Witmer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

What insurance does Kathleen Witmer accept?

Health plans from Providence Health Plan list Kathleen Witmer 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 Kathleen Witmer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.