NORTHWEST PSYCHIATRIC ASSOCIATES, LTD
NPI 1962563429
Psychiatry & Neurology - Psychiatry in O Fallon, MO
About Northwest Psychiatric Associates, Ltd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NORTHWEST PSYCHIATRIC ASSOCIATES, LTD (NPI 1962563429) is a healthcare organization registered as a psychiatry in O Fallon, Missouri and active in the NPI registry since December 2006. The organization lists Scott Johann Arbaugh, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Northwest Psychiatric Associates, Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Northwest Psychiatric Associates, Ltd, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Northwest Psychiatric Associates, Ltd's NPI number?
The NPI number for Northwest Psychiatric Associates, Ltd is 1962563429. It was assigned to this organization in the NPPES registry on December 12, 2006.
Where is Northwest Psychiatric Associates, Ltd located?
Northwest Psychiatric Associates, Ltd is located at 9979 Winghaven Blvd Ste 204, O Fallon, MO 63368. The listed phone number is (636) 695-4554.
What is Northwest Psychiatric Associates, Ltd's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Northwest Psychiatric Associates, Ltd enrolled in Medicare?
Yes. Northwest Psychiatric Associates, Ltd is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Northwest Psychiatric Associates, Ltd?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Northwest Psychiatric Associates, Ltd, in Nurse Practitioner and Psychiatry. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Northwest Psychiatric Associates, Ltd accept?
Health plans from Anthem Blue Cross and Blue Shield list Northwest Psychiatric Associates, Ltd as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Northwest Psychiatric Associates, Ltd was last updated on May 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Northwest Psychiatric Associates, Ltd · NPI 1962563429
Psychiatry organization in O Fallon, Missouri. Organization record, active in the CMS NPPES registry since December 12, 2006.
## Identity
- **NPI:** 1962563429 (Entity type: Organization)
- **Enumerated:** December 12, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **Organization subpart:** No
- **Authorized official:** Scott Arbaugh, PRESIDENT
## Practice location
- **Address:** 9979 WINGHAVEN BLVD STE 204, O Fallon, MO 63368-3628
- **Phone:** (636) 695-4554
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (2), Psychiatry (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 19, 2025
- **Other identifiers:** Other 215820 (IL); Other 000011932 (MO); Other 211318 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1962563429) · Data from the CMS NPPES public registry.