Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Phylis Muthee, NP

Adult Health Nurse Practitioner in Everett, WA · enumerated 2012 · practices at Ezzia Healthcare Pllc.

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

National Provider Identifier

1598015919

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Registry record

Entity type Individual (Type 1)

Name Phylis Muthee

Credential NP

Sex Female

Practice address 9802 Evergreen Way, Everett, WA, 98204

Phone (425) 610-3171

Fax (866) 502-3611

Enumeration date Sep 12, 2012

Last updated in NPPES Jan 13, 2023

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN2268438 (MA) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP 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 1598015919 active?

Yes, as of the latest NPPES snapshot, NPI 1598015919 is active (record last updated 2023-01-13).

How do I verify Phylis Muthee's NPI record?

Cross-check NPI 1598015919 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Ezzia Healthcare Pllc Clinic/Center · Everett, WA NPI 1629735618

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-13.