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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. MATTHEW JAMES PLUMB PA-C
NPI 1033565270
Physician Assistant in Seattle, WA

Active since May 06, 2016PECOS EnrolledAccepts Medicare Assignment
325 9TH AVE, SEATTLE, WA 98104(206) 520-5000 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 3, 2026, May 22, 2019 (2 updates tracked since 2019).

About Mr. Matthew James Plumb Pa-c NPPES

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

MR. MATTHEW JAMES PLUMB PA-C (NPI 1033565270) is an individual physician assistant in Seattle, Washington, licensed in Washington (PA.PA.61458444) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with St Joseph Medical Center, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1033565270
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. MATTHEW JAMES PLUMBCredential: PA-C
Location Address325 9TH AVESeattle, WA 98104-2420
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700
Phone(206) 520-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMay 6, 2016
Last NPPES UpdateSeptember 3, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2026
✔ NPI 1033565270 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 · PA.PA.61458444
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.
325 9TH AVE, Seattle, WA 98104
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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 and accepts Medicare assignment

Mr. Matthew James Plumb Pa-c 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 ID7911296579
PECOS Enrollment IDI20231122002990
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

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
47 services27 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joseph Medical Center

Acute Care Hospitals · Tacoma, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500108
Location1717 South J StreetTacoma, WA 98405 · Pierce County
Emergency services Birthing friendly

St Francis Community Hospital

Acute Care Hospitals · Federal Way, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500141
Location34515 9th Avenue SFederal Way, WA 98003 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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.

SANDRA K WALKER ARNP
Nurse Practitioner (Acute Care)
325 9TH AVE
SEATTLE, WA 98104
King County (206) 598-0502
JULIA J VISSER DPT
Physical Therapist
325 9TH AVE, BOX 359920
SEATTLE, WA 98104
King County (206) 744-1675
GENIA J MONCADA
Pharmacist
325 9TH AVE, MAILSTOP 359912
SEATTLE, WA 98104
King County (206) 731-3219
JACQUELINE M. KIM LICSW, MSW
Social Worker (Clinical)
325 9TH AVE, BOX 359760
SEATTLE, WA 98104
King County (206) 744-8511
MS. DIANE E WHEELER MS, PA-C
Physician Assistant (Medical)
325 9TH AVE
SEATTLE, WA 98104
King County (206) 744-3000
AMELIA V. RIVERA
Physical Therapist
325 9TH AVE
SEATTLE, WA 98104
King County (206) 774-3300
TIMOTHY WILLIAM MENZA MD, PHD
Internal Medicine (Infectious Disease)
325 9TH AVE
SEATTLE, WA 98104
King County (206) 520-5000
DEMETRIOS TEREZAKIS
Occupational Therapist
325 9TH AVE
SEATTLE, WA 98104
King County (206) 744-6112

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Matthew Plumb's NPI number?

The NPI number for Matthew Plumb is 1033565270. It was assigned to this individual provider in the NPPES registry on May 6, 2016.

Where is Matthew Plumb located?

Matthew Plumb practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 520-5000.

What is Matthew Plumb's specialty?

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

Is Matthew Plumb enrolled in Medicare?

Yes. Matthew Plumb is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Matthew Plumb accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Matthew Plumb as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Matthew Plumb affiliated with any hospitals?

According to CMS data, Matthew Plumb is affiliated with St Joseph Medical Center and St Francis Community Hospital.

When was this NPI record last updated?

The NPPES record for Matthew Plumb was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.