Illinois Dept. of Financial & Prof. Regulation mailing address
To mail a letter to the Illinois Dept. of Financial & Prof. Regulation — the body that regulates physicians, nurses, and dozens of other licensed professions in Illinois — send it to Illinois Dept. of Financial & Prof. Regulation, 3rd Floor, 320 West Washington Street, Springfield, IL 62786. The Illinois Department of Financial and Professional Regulation licenses and regulates most professions in Illinois — including physicians, nurses, and dozens of other occupations — through its Division of Professional Regulation. It issues and renews licenses and handles disciplinary matters. Use this address for complaints and concerns, registration and renewal paperwork, and requests for a certificate of standing. Add your return address and any registration number if you'd like a reply, and confirm the address on IDFPR's official contact page before anything time-sensitive.
Illinois Dept. of Financial & Prof. Regulation — correspondence address
Illinois Dept. of Financial & Prof. Regulation 3rd Floor 320 West Washington Street Springfield IL 62786
Complaints and concerns, registration and renewal paperwork, requests for a certificate of standing, and general written correspondence. This is the regulator's main office — not a courier depot or a member's practice.
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Illinois Dept. of Financial & Prof. Regulation3rd Floor320 West Washington StreetSpringfield, IL 62786
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Key facts
- This is the Illinois Dept. of Financial & Prof. Regulation's published correspondence address, taken from its own contact page.
- Illinois Dept. of Financial & Prof. Regulation (IDFPR) is the statutory regulator for physicians, nurses, and dozens of other licensed professions in Illinois — not a voluntary membership association or union.
- Use it for complaints, registration and renewals, and certificate-of-standing requests — not for parcels or courier-only deliveries.
- Add an attention line (e.g. "Registration" or "Complaints/Investigations") so your letter reaches the right department.
- Include your full name, registration number if you have one, and a return address so they can respond.
- PostPal prints your letter and mails it for you — no printer, envelope, stamps, or post office trip.
How to send your letter
- 1
Decide what your letter is for
IDFPR handles registration and renewals, complaints and concerns about a registrant, and requests such as a certificate of standing. Note which one applies and add an attention line (e.g. "Attention: Registration" or "Attention: Complaints/Investigations") so it reaches the right department.
- 2
Include the details they need
Give your full name and, if you're a registrant, your registration or membership number. If your letter is about someone else — a complaint, or a reference request — include that person's name and, where you have it, their registration number so the file can be found.
- 3
Address it to the office
First line: Illinois Dept. of Financial & Prof. Regulation. Next: 3rd Floor. Then the street: 320 West Washington Street. Then the city line: Springfield IL 62786.
- 4
Send it with PostPal
Write or upload your letter to PostPal with the address above prefilled. We print it, add your return address, and mail it for you — no printer, envelope, stamps, or trip to the post office.
Common questions
What does the Illinois Dept. of Financial & Prof. Regulation do?
The Illinois Department of Financial and Professional Regulation licenses and regulates most professions in Illinois — including physicians, nurses, and dozens of other occupations — through its Division of Professional Regulation. It issues and renews licenses and handles disciplinary matters. The address above is its main correspondence office — the right place for registration paperwork, complaints, and requests for a certificate of standing.
What is the Illinois Dept. of Financial & Prof. Regulation mailing address?
Illinois Dept. of Financial & Prof. Regulation, 3rd Floor, 320 West Washington Street, Springfield, IL 62786. It's the regulator's published correspondence address. Confirm it on IDFPR's official contact page before anything time-sensitive, since regulators occasionally relocate.
Can I file a complaint about physicians by mail?
Most regulators accept written complaints by post as well as online. Send your concern to the address above, marked "Attention: Complaints" (some use "Professional Conduct" or "Investigations"), with the registrant's name and, if you have it, their registration number, plus a clear account of what happened. Check IDFPR's official contact page for any complaint form they want you to use.
Where do I send registration, renewal, or a certificate-of-standing request?
The same office handles registration and renewals and issues certificates of standing (also called a certificate of professional conduct or good standing, often needed to register in another jurisdiction). Mail it to the address above with an attention line for "Registration," and include your registration number and return address so they can reply.
Is this the regulator, not a professional association or union?
Yes — Illinois Dept. of Financial & Prof. Regulation (IDFPR) is the statutory regulator that licenses physicians, nurses, and dozens of other licensed professions in Illinois and protects the public. It's separate from any voluntary membership association or union for the same profession; use this address for regulatory matters like registration, complaints, and standing.
How do I mail the Illinois Dept. of Financial & Prof. Regulation a letter without a printer?
Write or upload your letter to PostPal with the address prefilled. We print it, add your return address, and mail it for you — no printer, stamps, or post office trip needed.
Sources
Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.