NPIMap

Organization Active NPI

Northstar Associates, PLLC

Doing business as NorthStar Medical Specialists

  • Sleep Disorder Diagnostic Clinic/Center
  • Bellingham, WA
National Provider Identifier
1912921586
Registry record updated Dec 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Disorder Diagnostic Clinic/CenterTaxonomy code 261QS1200X
License
602 099 399 Issued in WA
Legal business name
NORTHSTAR ASSOCIATES, PLLC
Doing business as
NorthStar Medical Specialists
Practice address
1345 King St
Bellingham, WA 98229-6223
Phone
(360) 676-1696
Fax
(360) 676-6636
NPI assigned
Jul 27, 2006
Last updated
Dec 5, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 5, 2025

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

Authorized official

Name
Christopher Paul MathewsNPI 1942443270
Title
President
Phone
(360) 676-1696

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Sleep Disorder Diagnostic Clinic/Center 261QS1200X 602 099 399 WA Primary
Durable Medical Equipment & Medical Supplies 332B00000X
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X

Addresses

Primary practice location

1345 King St
Bellingham, WA 98229-6223

Mailing address

1345 King St
Bellingham, WA 98229-6223
Phone (360) 676-1696

Other identifiers 3

IdentifierTypeStateIssuer
4824NOOtherWAREGENCE
122495122495OtherWAPREMERA
539108001OtherWAGROUP HEALTH

Other names 1

  • NorthStar Medical Specialists Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20050419000886 WA Part B Supplier - Clinic/Group Practice 0840196564 Receives reassigned benefits from 4 practitioners
Practice locations: Bellingham, WA
O20100930097443 WA DME Supplier - Physician - General Practice 0840196564 Practice locations: Bellingham, WA

National Provider Directory

National Provider Directory

Locations

1345 King St
Bellingham, WA 98229
Phone (360) 676-1696

Practitioners & affiliated clinicians

Practitioners 11

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1153958400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1764892800000",
    "number": "1912921586",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1345 KING ST",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982296223",
            "telephone_number": "360-676-1696",
            "fax_number": "360-676-6636"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1345 KING ST",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982296223",
            "telephone_number": "360-676-1696",
            "fax_number": "360-676-6636"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "NORTHSTAR ASSOCIATES, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-27",
        "last_updated": "2025-12-05",
        "certification_date": "2025-12-05",
        "status": "A",
        "authorized_official_last_name": "MATHEWS",
        "authorized_official_first_name": "CHRISTOPHER",
        "authorized_official_middle_name": "PAUL",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "360-676-1696"
    },
    "taxonomies": [
        {
            "code": "261QS1200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Sleep Disorder Diagnostic",
            "state": "WA",
            "license": "602 099 399",
            "primary": true
        },
        {
            "code": "332B00000X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084S0012X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Sleep Medicine",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "REGENCE",
            "identifier": "4824NO",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PREMERA",
            "identifier": "122495122495",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP HEALTH",
            "identifier": "539108001",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "NorthStar Medical Specialists",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Bellingham, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.