PHILIP A HENNESSEY PA-C
NPI 1992227110
Physician Assistant in Seattle, WA

Q: What is Philip Hennessey's NPI number?

The NPI number for Philip Hennessey is 1992227110. It was assigned to this individual provider in the NPPES registry on July 10, 2017.

Q: What is Philip Hennessey's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Philip Hennessey was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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 July 10, 2017PECOS Enrolled

221 1ST AVE W STE 200, SEATTLE, WA 98119(206) 333-4656(253) 449-0727 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 4, 2026, Jul 21, 2022, Jul 10, 2017 (3 updates tracked since 2017).

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About Philip A Hennessey Pa-c NPPES

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

PHILIP A HENNESSEY PA-C (NPI 1992227110) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA60771962) and active in the NPI registry since July 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992227110

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NamePHILIP A HENNESSEYCredential: PA-C

Location Address221 1ST AVE W STE 200Seattle, WA 98119-4223

Mailing Address221 1st Ave W Ste 200Seattle, WA 98119-4223 · (206) 333-4656 · Fax (253) 449-0727

Phone(206) 333-4656

Fax(253) 449-0727

Sole ProprietorNo

Enumeration DateJuly 10, 2017

Last NPPES UpdateMay 4, 20263 updates tracked since enumeration

NPPES CertifiedMay 4, 2026

✔ NPI 1992227110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in WA · PA60771962

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.

221 1ST AVE W STE 200, Seattle, WA 98119

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Accepted Insurance

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

Philip A Hennessey 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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy with evaluation and management visit, 30 minutes 90833

Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.

52 services13 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

52 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98119 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.

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Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DAVID JAMES PETRAS

Durable Medical Equipment & Medical Supplies