NPIMap

Individual provider Active NPI

Matthew James Plumb, PA-C

  • Physician Assistant
  • Seattle, WA
National Provider Identifier
1033565270
Registry record updated Sep 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA.PA.61458444 Issued in WA
Practice address
325 9TH Ave
Seattle, WA 98104-2420
Phone
(206) 520-5000
NPI assigned
May 6, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 3, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA.PA.61458444 WA Primary

Addresses

Primary practice location

325 9TH Ave
Seattle, WA 98104-2420

Mailing address

PO Box 50095
Seattle, WA 98145-5095
Phone (206) 520-5700

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, UT, WA3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20160520000899 TX Practitioner - Physician Assistant 7911296579 Reassigns benefits to 2 organizations
I20190619001040 UT Practitioner - Physician Assistant 7911296579 Reassigns benefits to 1 organization
I20231122002990 WA Practitioner - Physician Assistant 7911296579 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Franciscan Medical GroupGroup PAC ID 0547173866, 1,400 clinicians

Practice addresses (Care Compare)

16251 Sylvester Rd SW
Burien, WA 98166-3017
Phone (206) 244-9970

1717 S J St
Tacoma, WA 98405-4933
Phone (253) 426-6341

1812 S J St
Suite 120
Tacoma, WA 98405-4965
Phone (253) 428-2200

34515 9TH Ave S
Federal Way, WA 98003-6761
Phone (253) 944-7977

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Franciscan Medical Group CurrentSince Oct 30, 2023 Accepting new patients
DHHS, PHS, Naihs, Shiprock Hospital CurrentSince May 2, 2016 Accepting new patients
University of Utah Adult Services CurrentSince May 29, 2019 Accepting new patients
University of Utah Adult Services CurrentSince May 29, 2019 Accepting new patients
DHHS, PHS, Naihs, Shiprock Hospital CurrentSince May 2, 2016 Accepting new patients
The Fort Defiance Indian Hospital Board, Incorporation CurrentSince Jun 12, 2017 Accepting new patients
Franciscan Medical Group Physician Assistant PastSince Mar 31, 2024 Accepting new patients
Franciscan Medical Group Past Accepting new patients

Locations

50 N Medical Dr
Slc, UT 84132
Phone (801) 581-2292

34515 9th Ave S
#136
Federal Way, WA 98003

34515 9th Ave S
Federal Way, WA 98003
Phone (253) 835-8100

1717 S J St
Tacoma, WA 98405
Phone (253) 426-4101

2420 S State St
Tacoma, WA 98405
Phone (253) 426-4000

1812 S J St
Ste 120
Tacoma, WA 98405
Phone (253) 428-2200

1708 Yakima Ave
Ste 300
Tacoma, WA 98405
Phone (253) 363-8700

1717 S J St
#2010
Tacoma, WA 98405

11315 Bridgeport Way SW
Tacoma, WA 98499
Phone (253) 588-1711

Networks

  • devoted network organization-83621310-88c0-4660-8f8d-b8ea8f4dc04e
  • WA PPO C-SNP

Organizations & group practices 10

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1462492800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788393600000",
    "number": "1033565270",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 50095",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981455095",
            "telephone_number": "206-520-5700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "325 9TH AVE",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981042420",
            "telephone_number": "206-520-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PLUMB",
        "first_name": "MATTHEW",
        "middle_name": "JAMES",
        "name_prefix": "Mr.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-05-06",
        "last_updated": "2026-09-03",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WA",
            "license": "PA.PA.61458444",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

Verify at the official NPI Registry.