Organization Active NPI

San Juan County Public Hospital District No 1

Doing business as Inter Island Medical Center

  • Public Health or Welfare Agency
  • Friday Harbor, WA
National Provider Identifier
1932159605
Registry record updated Sep 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Public Health or Welfare AgencyTaxonomy code 251K00000X
Legal business name
SAN JUAN COUNTY PUBLIC HOSPITAL DISTRICT NO 1
Doing business as
Inter Island Medical Center
Practice address
535 Market St Ste E
Friday Harbor, WA 98250-7937
Phone
(360) 378-2857
Fax
(360) 378-2856
NPI assigned
May 11, 2006
Last updated
Sep 2, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2026

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

Authorized official

Name
Stephen Anthony Wambsganss
Title
Finance Director/Treasurer
Phone
(360) 378-2857

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Public Health or Welfare Agency 251K00000X NU Primary

Addresses

Primary practice location

535 Market St Ste E
Friday Harbor, WA 98250-7937

Mailing address

PO Box 370
Friday Harbor, WA 98250-0370
Phone (360) 378-2857

Other names 1

  • Inter Island Medical Center Doing business as

National Provider Directory

National Provider Directory

Locations

535 Market St
Ste E
Friday Harbor, WA 98250

Ownership & related parties

Subparts reporting this organization as parent 3

Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.

Practitioners & affiliated clinicians

Practitioners 4

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": "1147305600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788307200000",
    "number": "1932159605",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 370",
            "city": "FRIDAY HARBOR",
            "state": "WA",
            "postal_code": "982500370",
            "telephone_number": "360-378-2857",
            "fax_number": "360-378-2856"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "535 MARKET ST STE E",
            "city": "FRIDAY HARBOR",
            "state": "WA",
            "postal_code": "982507937",
            "telephone_number": "360-378-2857",
            "fax_number": "360-378-2856"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SAN JUAN COUNTY PUBLIC HOSPITAL DISTRICT NO 1",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-05-11",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A",
        "authorized_official_last_name": "WAMBSGANSS",
        "authorized_official_first_name": "STEPHEN",
        "authorized_official_middle_name": "ANTHONY",
        "authorized_official_title_or_position": "FINANCE DIRECTOR/TREASURER",
        "authorized_official_telephone_number": "360-378-2857"
    },
    "taxonomies": [
        {
            "code": "251K00000X",
            "taxonomy_group": "",
            "desc": "Public Health or Welfare",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Inter Island Medical Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Friday Harbor, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.