Psychiatry Clinic

Northwest Psychiatric Associates, Ltd

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

About Northwest Psychiatric Associates, Ltd

Northwest Psychiatric Associates, Ltd is a psychiatry clinic located in O Fallon, Missouri. The clinic is located at 9979 Winghaven Blvd Ste 204, O Fallon, MO and can be reached at 636-695-4554. The authorized official for Northwest Psychiatric Associates, Ltd is Dr. Scott Johann Arbaugh, who serves as the clinic’s President. He/She can be contacted at 636-695-4554.
Northwest Psychiatric Associates, Ltd Clinic specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Clinic Information

Northwest Psychiatric Associates, Ltd Clinic's specialty, address, contact phone number and fax are as below. Patients can contact the clinic at the given phone number for appointments.

Clinic Name Northwest Psychiatric Associates, Ltd
Specialization Psychiatry
Practice Address 9979 Winghaven Blvd Ste 204,
O Fallon, MO - 63368-3628

Authorized/Official Person Profile

Officially authorized person to contact for any management issues or complaints for this clinic are as below. Person's position and contact details are also mentioned below.

Name Dr. Scott Johann Arbaugh
Position President
Contact Number 636-695-4554

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1962563429
NPI Enumeration Date: 12 Dec, 2006
NPI Last Update On: 19 May, 2025

Medical Licenses

Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Northwest Psychiatric Associates, Ltd are as mentioned below.
License NumberSpecializationStateStatus
Psychiatry Primary

Other Medical Identifiers

Other professional identifiers associated with Northwest Psychiatric Associates, Ltd such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
215820OtherIllinoisMEDICARE IL NWPA
000011932OtherMissouriMEDICARE MO NWPA
211318OtherIllinoisMEDICARE SCOTT ARBAUGH MD INDIVIDUAL ILLINOIS

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Northwest Psychiatric Associates, Ltd
9979 Winghaven Blvd Ste 204,
O Fallon, MO - 63368-3628
Phone: 636-695-4554
Fax: 636-695-3099

Book an Appointment with Northwest Psychiatric Associates, Ltd

To schedule an appointment, contact Northwest Psychiatric Associates, Ltd at 9979 Winghaven Blvd Ste 204, O Fallon, Missouri or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Northwest Psychiatric Associates, Ltd clinic:

Northwest Psychiatric Associates, Ltd is a psychiatry clinic specializing in Psychiatry.

Northwest Psychiatric Associates, Ltd is located at 9979 Winghaven Blvd Ste 204, O Fallon, Missouri 63368-3628.

Patients can contact Northwest Psychiatric Associates, Ltd at 636-695-4554 for inquiries about its services and appointments.

Please contact Northwest Psychiatric Associates, Ltd directly to inquire about new-patient availability and appointment options.
* Availability may change.

Northwest Psychiatric Associates, Ltd specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Patients can contact Northwest Psychiatric Associates, Ltd at 636-695-4554 to inquire about appointments, consultation requirements and available services.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.