MRS. KATHERINE ALISON BESLEY HENDERSON PA-C
NPI 1780855262
Physician Assistant in Seattle, WA

Q: What is Katherine Henderson's NPI number?

The NPI number for Katherine Henderson is 1780855262. It was assigned to this individual provider in the NPPES registry on March 12, 2008. The provider is also known as Miss Katherine Alison Besley Pa-C.

Q: What is Katherine Henderson's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Active since March 12, 2008PECOS Enrolled

601 BROADWAY, SEATTLE, WA 98122(206) 386-2600(206) 622-1644 Get Directions Write a Review

NPPES record last updated: May 25, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mrs. Katherine Alison Besley Henderson Pa-c NPPES

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

MRS. KATHERINE ALISON BESLEY HENDERSON PA-C (NPI 1780855262) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA60259947) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1780855262

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMRS. KATHERINE ALISON BESLEY HENDERSONCredential: PA-C

Location Address601 BROADWAYSeattle, WA 98122-5330

Mailing Address805 Madison St, Suite 901Seattle, WA 98104-1172 · (206) 264-8100 · Fax (206) 264-8689

Phone(206) 386-2600

Fax(206) 622-1644

Sole ProprietorNo

Enumeration DateMarch 12, 2008

Last NPPES UpdateMay 25, 2021

NPPES CertifiedMay 25, 2021

✔ NPI 1780855262 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

Licenses✔ Licensed in WA · PA60259947✔ Licensed in OR · PA01319

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

601 BROADWAY, Seattle, WA 98122

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Other Names 1

Former Name (1)Miss Katherine Alison Besley Pa-c

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Katherine Alison Besley Henderson Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 98122 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

$78.74 typical visit price

range $21.12 – $155.00

Typical copayment $19.68 (range $5.28 – $38.75)

Most-billed visit code 99213

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.

PACIFIC MEDICAL, INC.

Prosthetic/Orthotic Supplier

601 BROADWAY, ROOM #140
SEATTLE, WA 98122

King County (206) 386-2040

DR. SEAN D TOOMEY M.D.

Orthopaedic Surgery