About Us
Executive Staff
Joe Vaughan, LCSW, QMHP, LPHA
Executive Director
Email: vaughan@ihrpontiac.com
Teresa Diemer BS, CRADC, CODP I
Substance Use Clinical Director
Jessica Siwak, LCSW, QMHP, LPHA
Clinical Mental Health Director
Jenny Larkin
Business Manager, HR Director
Administrative Staff
Leslie Mays
Accounts Receivable
Lisa Sieg
Receptionist
Maddie Isenberg
Receptionist
Emmie Blaetz
Receptionist
Chelsey Erickson
Accounts Receivable
Annual Reports
Board of Directors
- Dale Sass, President
- Dale Hoke, Vice President
- Julie Runyon, Secretary
- Nick Milhauser, Treasurer
- Dan Davis
- Jill Rork
- Becky Edinger
- Becca Lee
Frequently Asked Questions
How much do services cost?
Fees are determined by a sliding scale based on income and number of dependents. No one will be denied services because of inability to pay. The following insurances are accepted by most of our providers:
- 708
- Aetna
- BCBS
- Cigna
- Com Psych
- DMH
- Health Alliance
- Health Link
- Humana
- Illini Care
- Life Synch
- Magellan
- Medicare
- Meridian
- Molina
- Optum
- DHS – Supr
- United Behavioral Health
- United Health Care
If you have questions regarding insurance coverage, please call us at 815-844-6109.
How can I get started with services?
Simply call 815-844-6109 to schedule an appointment. One of our receptionists will be glad to assist you.
What are the office hours?
Monday – Wednesday: 8:30 AM to 8:00 PM
Thursday: 8:30 AM to 5:00 PM and by appointment only until 6:00 PM
Friday: 8:30 AM to 5:00 PM
Are services confidential?
All services are bound by the Illinois Confidentiality Act and HIPAA. No one, including your employer or a family member will know you are receiving services unless you tell them or give us written permission to do so.