Midwestern University is a private, not-for-profit healthcare education institution with campuses in Downers Grove, Illinois and Glendale, Arizona. Across both locations, the University is committed to responsible stewardship, operational excellence, and strong partnerships that support our academic, clinical, and research missions.
The Procurement & Accounts Payable Department plays an essential role in supporting these missions by ensuring that all goods and services supporting Midwestern University’s operations are acquired, managed, and paid for efficiently, ethically, and in accordance with University policy and regulatory requirements.
This information is intended for all outside suppliers, contractors, consultants, and business partners working with either campus. The expectations, requirements, and processes described below apply to both the Downers Grove and Glendale campuses unless otherwise noted.
We appreciate your partnership and look forward to working collaboratively in support of Midwestern University’s mission of educating tomorrow’s healthcare team
Information for Supplier
Becoming a Supplier to Midwestern University
All suppliers wishing to do business with Midwestern University—whether supporting Downers Grove, Glendale, or both campuses must complete the University’s supplier registration process.
Suppliers must be invited by a Midwestern University representative to access the Supplier Registration portal. Please contact the purchasing office for more information.
The registration process requires:
- Basic business and contact information
- A valid W-9 (U.S. suppliers) or W-8BEN/W-8BEN-E (international suppliers)
- Remittance and ACH/Direct Deposit information
- Agreement to Midwestern University’s standard terms & conditions
Supplier Support
- ilpurchasing@midwestern.edu (Downers Grove)
- azpurchasing@midwestern.edu (Glendale)
Purchasing Requirements for all Suppliers
- Midwestern University requires an approved Purchase Order (PO) for most goods and services provided to either campus.
- Suppliers must not deliver goods or begin providing services until an official PO has been issued by Midwestern University.
- Work performed without a PO may result in delayed or non-authorized payment.
- If you are unsure whether your engagement requires a PO or you provide services across both campuses, please contact Procurement before starting work.
Invoice Requirements
To ensure accurate and timely payment, all invoices submitted to Midwestern University (for either campus) must include:
- Supplier name, address, and remittance information
- Unique invoice number and invoice date
- Midwestern University Purchase Order (PO) number
- Description of goods or services provided
- Itemized quantities, unit prices, and extended totals
- Contract or agreement number, if applicable
- Itemized freight, tax, or additional charges
Invoices missing required information will be returned for correction.
Invoice Submission
All invoices for both campuses must be routed to:
Invoices sent to individual departments or employees may result in significant processing delays.
Payment Terms
Midwestern University’s standard payment terms are Net 30 days from receipt of a complete, valid invoice. Available payment methods include:
- Paper check
- University-issued virtual payment card
Policies & Supplier Resources
Suppliers are encouraged to review the policies that govern procurement and payment across both campuses:
- Purchase Order Terms & Conditions
- Tax Exemption Form
- Transaction Privilege Tax Exemption Certificate (2025 AZ Form 5000)
These resources help ensure consistent expectations and compliance across Downers Grove and Glendale.
Contact Information
General Procurement Inquiries
- ilpurchasing@midwestern.edu (Downers Grove)
- azpurchasing@midwestern.edu (Glendale)
Accounts Payable / Invoice Questions