For referring providers
Refer a patient
Chest & Sleep is a pulmonary and sleep medicine team that takes complex referrals and keeps the referring office in the loop.
Complicated pulmonary and sleep patients get a same-day or next-day slot.

How to refer
Fax
847-855-2490
Fastest for standard referrals.
Referral form
Online
Send the referral without leaving your browser.
What to send
- Patient demographics and insurance
- Reason for referral
- Relevant notes, imaging, PFTs, or sleep-study reports if available
What happens after
Your office gets a findings note back — you'll always know what happened after the handoff.
Timely scheduling, evaluation by the specialist team, and a findings note returned to your office as soon as the visit closes. No guessing what happened next.
Meet the team providers see
Dennis Hoffman, MD, FCCP, FAASM
Pulmonary and sleep medicine; sleep-disordered breathing.
Joel Mensing, DO
Board-certified in Internal Medicine and Pulmonary Medicine; fellowship-trained; focus on asthma, COPD, ILD, and complex pulmonary care.
Celestia Nielsen, NP
Focus confirming.
Natalia Angelov, MSN, APRN, FNP-BC
Focus confirming.
Dr. Kumar Gaurav
Focus confirming.
Conditions we take
Quick reference — each links to the full page.
Provider education
Short clinical briefs written colleague-to-colleague. New pieces added weekly.
See the For Providers track