Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Katy Bolar, RN

Registered Nurse in Longview, WA · enumerated 2021.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1811586571

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Registry record

Entity type Individual (Type 1)

Name Mrs. Katy Bolar

Credential RN

Sex Female

Practice address 1044 11th Ave, Longview, WA, 98632

Phone (360) 575-8275

Fax (360) 575-1950

Enumeration date Jan 15, 2021

Last updated in NPPES Jan 15, 2021

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN00170241 (WA) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1811586571 active?

Yes, as of the latest NPPES snapshot, NPI 1811586571 is active (record last updated 2021-01-15).

How do I verify Katy Bolar's NPI record?

Cross-check NPI 1811586571 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Joyce Tobias Family Nurse Practitioner · Longview, WA NPI 1851347454 Cowlitz Indian Tribe General Practice Physician · Longview, WA NPI 1851328447 Melissa Kirk Registered Dietitian · Longview, WA NPI 1871652255 Charletta Lewis Psychiatric/Mental Health Nurse Practitioner · Longview, WA NPI 1467508341 Cowlitz Indian Tribe Primary Care Clinic/Center · Longview, WA NPI 1346465101 Cheyney Lindgren Family Nurse Practitioner · Longview, WA NPI 1386824266 Sybil Iverson Addiction (Substance Use Disorder) Counselor · Longview, WA NPI 1407018997 Rebecca Farquhar Addiction (Substance Use Disorder) Counselor · Longview, WA NPI 1902068406

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-15.