# Sleep doctors in Gary

> 3 sleep medicine specialists in Gary, Indiana — with contact details and clinic affiliations.

Canonical: https://findsleepdoctors.com/us/in/gary
Last updated: 2026-10-30

Gary, Indiana, United States — sleep medicine doctors with verified addresses, phone numbers and clinic affiliations. Cost varies; confirm with your provider and insurer/health fund.

3 sleep specialists listed.

## Sleep doctors in Gary

Looking for someone closer? Use the location search on the home page to sort every nearby practice by distance.

### GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC

Sleep Medicine · Affiliated with GREAT LAKES PULMONARY & SLEEP ASSOCIATES, INC · Phone: 219-882-0255

Profile: [view details](https://findsleepdoctors.com/us/in/gary/great-lakes-pulmonary-sleep-associates-inc)

### INDIANA REGIONAL SLEEP DISORDERS CENTER, INC

Sleep Medicine · Affiliated with INDIANA REGIONAL SLEEP DISORDERS CENTER, INC · Phone: 219-944-4187

Profile: [view details](https://findsleepdoctors.com/us/in/gary/indiana-regional-sleep-disorders-center-inc)

### OLUSEGUN APATA

Sleep Medicine · Phone: 219-882-9900

Profile: [view details](https://findsleepdoctors.com/us/in/gary/olusegun-apata)

## Sleep doctors near Gary

- [Hammond](https://findsleepdoctors.com/us/in/hammond) — 4 doctors
- [Hobart](https://findsleepdoctors.com/us/in/hobart) — 2 doctors
- [East Chicago](https://findsleepdoctors.com/us/in/east-chicago) — 1 doctors
- [Munster](https://findsleepdoctors.com/us/in/munster) — 11 doctors
- [Merrillville](https://findsleepdoctors.com/us/in/merrillville) — 6 doctors
- [Dyer](https://findsleepdoctors.com/us/in/dyer) — 1 doctors
- [Crown Point](https://findsleepdoctors.com/us/in/crown-point) — 5 doctors
- [Valparaiso](https://findsleepdoctors.com/us/in/valparaiso) — 1 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 Indiana](https://findsleepdoctors.com/us/in)
- [Sleep doctors in United States](https://findsleepdoctors.com/us)
- [Home](https://findsleepdoctors.com/)