Individual provider Active NPI

William Arthur Forsyth, MD

  • Psychiatry Physician
  • Post Falls, ID
National Provider Identifier
1467440669
Registry record updated Sep 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
M12887 Issued in ID
Practice address
784 S Clearwater Loop Ste 8103
Post Falls, ID 83854-9599
Phone
(217) 341-3716
NPI assigned
Oct 11, 2005
Last updated
Sep 1, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 1, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X M12887 ID Primary

Addresses

Primary practice location

784 S Clearwater Loop Ste 8103
Post Falls, ID 83854-9599

Mailing address

784 S Clearwater Loop Ste 8103
Post Falls, ID 83854-9599
Phone (217) 341-3716

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ID, WA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20080318000476 ID Practitioner - Psychiatry 5193801017 Reassigns benefits to 1 organization
Practice locations: Hayden, ID
I20241118003547 WA Practitioner - Psychiatry 5193801017 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Southern Illinois University School of Medicine, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Spokane Behavioral Health LLCGroup PAC ID 2961757489, 24 clinicians

Practice addresses (Care Compare)

104 W 5TH Ave
Spokane, WA 99204-4820
Phone (623) 670-0840

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
M12887IDMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St Joseph Hospital LLC CurrentSince Mar 15, 2024 Accepting new patients
Spokane Behavioral Health LLC CurrentSince Sep 10, 2024 Accepting new patients
Physician Group of Utah Inc Past Accepting new patients
Killian and Associates SC Psychiatry PastSince Nov 1, 1995 Accepting new patients
Davis Hospital Holdings, Inc. Past Accepting new patients

Locations

415 6th St
Lewiston, ID 83501
Phone (208) 750-7445

821 21st Ave
Lewiston, ID 83501
Phone (208) 799-3422

104 W 5th Ave
Spokane, WA 99204
Phone (509) 992-1888

Interoperability endpoints

  • Direct secure messaging: wforsyth609953@direct.multicare.org

Organizations & group practices 5

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

NPI Registry JSON

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

{
    "created_epoch": "1128988800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1467440669",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "784 S CLEARWATER LOOP STE 8103",
            "city": "POST FALLS",
            "state": "ID",
            "postal_code": "838549599",
            "telephone_number": "217-341-3716"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "784 S CLEARWATER LOOP STE 8103",
            "city": "POST FALLS",
            "state": "ID",
            "postal_code": "838549599",
            "telephone_number": "217-341-3716"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FORSYTH",
        "first_name": "WILLIAM",
        "middle_name": "ARTHUR",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-10-11",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "ID",
            "license": "M12887",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Post Falls, ID

Sources for this page

Verify at the official NPI Registry.