Organization Active NPI

Northwest Psychiatric Associates, LTD

  • Psychiatry Physician
  • O Fallon, MO
National Provider Identifier
1962563429
Registry record updated May 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
Legal business name
NORTHWEST PSYCHIATRIC ASSOCIATES, LTD
Practice address
9979 Winghaven Blvd Ste 204
O Fallon, MO 63368-3628
Phone
(636) 695-4554
NPI assigned
Dec 12, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on May 19, 2025

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

Authorized official

Name
Dr. Scott Johann Arbaugh, M.D.NPI 1861553513
Title
President
Phone
(636) 695-4554

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
Psychiatry PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 2084P0800X Primary

Addresses

Primary practice location

9979 Winghaven Blvd Ste 204
O Fallon, MO 63368-3628

Mailing address

9979 Winghaven Blvd Ste 204
O Fallon, MO 63368-3628
Phone (636) 695-4554

Other identifiers 3

IdentifierTypeStateIssuer
215820OtherILMEDICARE IL NWPA
000011932OtherMOMEDICARE MO NWPA
211318OtherILMEDICARE SCOTT ARBAUGH MD INDIVIDUAL ILLINOIS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, MO2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20071128000364 IL Part B Supplier - Clinic/Group Practice 8628025715 Receives reassigned benefits from 3 practitioners
Practice locations: Alton, IL
O20080325000326 MO Part B Supplier - Clinic/Group Practice 8628025715 Receives reassigned benefits from 3 practitioners
Practice locations: O Fallon, MO

National Provider Directory

National Provider Directory

Locations

1 Memorial Dr
#204
Alton, IL 62002
Phone (618) 526-5699

9979 Winghaven Blvd
Ste 20
O Fallon, MO 63368

9979 Winghaven Blvd
Ste 202
O Fallon, MO 63368
Phone (636) 561-7072

9979 Winghaven Blvd
Ste 2
O Fallon, MO 63368

Practitioners & affiliated clinicians

Practitioners 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1165881600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1747612800000",
    "number": "1962563429",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9979 WINGHAVEN BLVD STE 204",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633683628",
            "telephone_number": "636-695-4554",
            "fax_number": "636-695-3099"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9979 WINGHAVEN BLVD STE 204",
            "city": "O FALLON",
            "state": "MO",
            "postal_code": "633683628",
            "telephone_number": "636-695-4554"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "NORTHWEST PSYCHIATRIC ASSOCIATES, LTD",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-12-12",
        "last_updated": "2025-05-19",
        "certification_date": "2025-05-19",
        "status": "A",
        "authorized_official_last_name": "ARBAUGH",
        "authorized_official_first_name": "SCOTT",
        "authorized_official_middle_name": "JOHANN",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "636-695-4554",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE IL NWPA",
            "identifier": "215820",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE MO NWPA",
            "identifier": "000011932",
            "state": "MO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE SCOTT ARBAUGH MD INDIVIDUAL ILLINOIS",
            "identifier": "211318",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in O Fallon, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 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.