KATHARINE AVERY MCKENZIE ARNP
NPI 1548607609
Nurse Practitioner - Family in Seattle, WA

Q: What is Katharine Mckenzie's NPI number?

The NPI number for Katharine Mckenzie is 1548607609. It was assigned to this individual provider in the NPPES registry on May 30, 2013.

Q: What is Katharine Mckenzie's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Active since May 30, 2013PECOS EnrolledAccepts Medicare Assignment

825 EASTLAKE AVE E, SEATTLE, WA 98109(206) 520-5000 Get Directions Write a Review

NPPES record last updated: February 2, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Feb 2, 2026, Apr 13, 2021, Jan 27, 2016 (3 updates tracked since 2016).

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About Katharine Avery Mckenzie Arnp NPPES

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

KATHARINE AVERY MCKENZIE ARNP (NPI 1548607609) is an individual family provider in Seattle, Washington, licensed in Washington (AP60337640) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1548607609

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameKATHARINE AVERY MCKENZIECredential: ARNP

Location Address825 EASTLAKE AVE ESeattle, WA 98109-4405

Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700

Phone(206) 520-5000

Sole ProprietorNo

Medical School CMSOtherGraduated 2012

Enumeration DateMay 30, 2013

Last NPPES UpdateFebruary 2, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 2, 2026

✔ NPI 1548607609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in WA · AP60337640

Also ListedRegistered NurseTaxonomy 163W00000X · License RN60225591 (WA)

825 EASTLAKE AVE E, Seattle, WA 98109

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katharine Avery Mckenzie Arnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527209220

PECOS Enrollment IDI20130723000307

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.43 typical visit price

range $63.67 – $189.37

Typical copayment $24.35 (range $15.91 – $47.34)

Most-billed visit code 99203

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

SANDHYA RAMANATHAN PANCH M.D.

Internal Medicine (Hematology)