Psychology Clinic | Clinical Psychology

Osf Healthcare System

1 Saint Anthonys Way, Alton, Illinois, 62002-4568

About Osf Healthcare System

Osf Healthcare System is a psychology clinic located in Alton, Illinois. specializing in Clinical Psychology. The clinic is located at 1 Saint Anthonys Way, Alton, IL and can be reached at 618-465-2571. The authorized official for Osf Healthcare System is Kirsten Marie Largent, who serves the clinic’s Chief Financial Officer. He/She can be contacted at 309-308-5255.
Osf Healthcare System Clinic has mental health professionals specialized in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Psychologists main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that psychologists can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Clinic Information

Osf Healthcare System 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 Osf Healthcare System
Specialization Clinical Psychology
Practice Address 1 Saint Anthonys Way,
Alton, IL - 62002-4568

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 Kirsten Marie Largent
Position Chief Financial Officer
Contact Number 309-308-5255

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 Number1437551322
NPI Enumeration Date: 23 Sep, 2014
NPI Last Update On: 02 Sep, 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 Osf Healthcare System are as mentioned below.
License NumberSpecializationStateStatus
Surgery Primary
Clinical Secondary
Clinical Secondary
General Acute Care Hospital Secondary

Other Medical Identifiers

Other professional identifiers associated with Osf Healthcare System such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
DX1648OtherIllinoisRAILROAD MEDICARE
000MedicaidIllinois

Mailing Address

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

Osf Healthcare System
124 Sw Adams St, Attn: Strategic Reimbursement
Peoria, IL - 61602-1308
Phone: 309-655-2850
Fax: 309-655-4878

Book an Appointment with Osf Healthcare System

To schedule an appointment, contact Osf Healthcare System at 1 Saint Anthonys Way, Alton, Illinois or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Osf Healthcare System clinic:

Osf Healthcare System is a psychology clinic specializing in Clinical Psychology.

Osf Healthcare System is located at 1 Saint Anthonys Way, Alton, Illinois 62002-4568.

Patients can contact Osf Healthcare System at 618-465-2571 for inquiries about its services and appointments.

Please contact Osf Healthcare System directly to inquire about new-patient availability and appointment options.
* Availability may change.

Osf Healthcare System has mental health professionals specialized in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Psychologists main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that psychologists can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Patients can contact Osf Healthcare System at 618-465-2571 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.