NPIMap

Organization Active NPI

Lynden Family Physical Therapy PS Inc.

Doing business as Lynden Family Physical Therapy

  • Physical Therapist
  • Lynden, WA
National Provider Identifier
1871578682
Registry record updated Dec 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
Legal business name
LYNDEN FAMILY PHYSICAL THERAPY PS INC.
Doing business as
Lynden Family Physical Therapy
Practice address
1824 Front Street, Ste a
Lynden, WA 98264
Phone
(360) 354-0585
Fax
(360) 354-1098
NPI assigned
Dec 14, 2005
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 1, 2025

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

Authorized official

Name
Dr. Steven Kenneth Korthuis, DPTNPI 1154306967
Title
President
Phone
(360) 354-0585

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 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical TherapistGroup: 193400000X SINGLE SPECIALTY GROUP 225100000X Primary

Addresses

Primary practice location

1824 Front Street, Ste a
Lynden, WA 98264

Mailing address

1824 Front Street, Ste a
Lynden, WA 98264-1729
Phone (360) 354-0585

Other identifiers 3

IdentifierTypeStateIssuer
G8857930OtherWAMEDICARE ID-PIN
GAB14762OtherWAMEDICARE ID-PIN
GAB14760OtherWAMEDICARE ID-PIN

Other names 1

  • LYNDEN FAMILY PHYSICAL THERAPY Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040407001620 WA Part B Supplier - Clinic/Group Practice 2668465253 Receives reassigned benefits from 5 practitioners
Practice locations: Lynden, WA

National Provider Directory

National Provider Directory

Locations

1824 Front St
Ste A
Lynden, WA 98264
Phone (360) 354-0585

1812 18th St
Lynden, WA 98264
Phone (360) 354-0585

Practitioners & affiliated clinicians

Practitioners 10

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1134518400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1764547200000",
    "number": "1871578682",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1824 FRONT STREET, STE A",
            "city": "LYNDEN",
            "state": "WA",
            "postal_code": "982641729",
            "telephone_number": "360-354-0585",
            "fax_number": "360-354-1098"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1824 FRONT STREET, STE A",
            "city": "LYNDEN",
            "state": "WA",
            "postal_code": "98264",
            "telephone_number": "360-354-0585",
            "fax_number": "360-354-1098"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LYNDEN FAMILY PHYSICAL THERAPY PS INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-12-14",
        "last_updated": "2025-12-01",
        "certification_date": "2025-12-01",
        "status": "A",
        "authorized_official_last_name": "KORTHUIS",
        "authorized_official_first_name": "STEVEN",
        "authorized_official_middle_name": "KENNETH",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "360-354-0585",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DPT"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Physical Therapist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE ID-PIN",
            "identifier": "G8857930",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE ID-PIN",
            "identifier": "GAB14762",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE ID-PIN",
            "identifier": "GAB14760",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "LYNDEN FAMILY PHYSICAL THERAPY",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "LYNDEN FAMILY PHYSICAL THERAPY",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Lynden, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 1, 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.