# Sleep doctors in Janesville > 7 sleep medicine specialists in Janesville, Wisconsin — with contact details and clinic affiliations. Canonical: https://findsleepdoctors.com/us/wi/janesville Last updated: 2026-10-30 Janesville, Wisconsin, United States — sleep medicine doctors with verified addresses, phone numbers and clinic affiliations. Cost varies; confirm with your provider and insurer/health fund. 7 sleep specialists listed. ## Sleep doctors in Janesville Looking for someone closer? Use the location search on the home page to sort every nearby practice by distance. ### JASON RAKITA Sleep Medicine · Phone: 608-371-8000 Profile: [view details](https://findsleepdoctors.com/us/wi/janesville/jason-rakita) ### JOSHUA FEHL Sleep Medicine · Phone: 608-756-5555 Profile: [view details](https://findsleepdoctors.com/us/wi/janesville/joshua-fehl) ### MARK LANSER Sleep Medicine · Phone: 608-371-8000 Profile: [view details](https://findsleepdoctors.com/us/wi/janesville/mark-lanser) ### Mercyhealth Sleep Center–Janesville Sleep Medicine · Affiliated with Mercyhealth Sleep Center–Janesville · Phone: +1 608 758 5765 · Website: https://www.mercyhealthsystem.org/locations/mercyhealth-sleep-center-janesville/ Profile: [view details](https://findsleepdoctors.com/us/wi/janesville/mercyhealth-sleep-center-janesville) ### RAJESH BALAGANI Sleep Medicine · Phone: 608-371-8000 Profile: [view details](https://findsleepdoctors.com/us/wi/janesville/rajesh-balagani) ### St. Mary's Janesville Sleep Lab Sleep Medicine · Phone: (608) 373-8000; (608) 373-8356 Profile: [view details](https://findsleepdoctors.com/us/wi/janesville/st-mary-s-janesville-sleep-lab-janesville) ### THOMAS BERENTSEN Sleep Medicine · Phone: 608-371-8000 Profile: [view details](https://findsleepdoctors.com/us/wi/janesville/thomas-berentsen) ## Sleep doctors near Janesville - [Milton](https://findsleepdoctors.com/us/wi/milton) — 1 doctors - [Beloit](https://findsleepdoctors.com/us/wi/beloit) — 2 doctors - [Edgerton](https://findsleepdoctors.com/us/wi/edgerton) — 4 doctors - [Whitewater](https://findsleepdoctors.com/us/wi/whitewater) — 1 doctors - [Stoughton](https://findsleepdoctors.com/us/wi/stoughton) — 1 doctors - [Fort Atkinson](https://findsleepdoctors.com/us/wi/fort-atkinson) — 1 doctors - [Elkhorn](https://findsleepdoctors.com/us/wi/elkhorn) — 1 doctors - [Lake Geneva](https://findsleepdoctors.com/us/wi/lake-geneva) — 2 doctors ## Frequently asked questions ### How do I find a sleep doctor near me? Start with the list on this page — every sleep medicine doctor below was verified from a public source. Use the phone number or website on each profile to book; most practices ask for a GP referral first. ### What does a sleep doctor treat? Sleep specialists diagnose and treat obstructive sleep apnoea, insomnia, narcolepsy, restless legs syndrome, circadian rhythm disorders and snoring-related problems. ### How much does an appointment cost? Cost varies by practice, insurer and treatment. This directory does not publish prices — confirm the cost with the practice and your insurer or health fund before booking. ## Related - [All sleep doctors in Wisconsin](https://findsleepdoctors.com/us/wi) - [Sleep doctors in United States](https://findsleepdoctors.com/us) - [Home](https://findsleepdoctors.com/)