# Sleep Doctors in Smithtown, New York: How to Find the Right Specialist > Find Sleep Doctors lists sleep providers and centers in Smithtown, New York. This guide explains how to compare listings, prepare for an evaluation, and ask practical booking questions. Canonical: https://findsleepdoctors.com/articles/sleep-doctors-smithtown-ny-us Last updated: 2026-10-30 Compare listed sleep providers and centers in Smithtown, New York, including addresses and phone numbers, plus practical questions to ask before booking. Updated 2026-10-27 · 5 min read · Sleep Doctor Near Me editorial. **Quick answer:** Find Sleep Doctors lists 10 sleep providers and centers in Smithtown, New York, including one AASM-accredited center. This guide explains how to compare listings, what a sleep evaluation may involve, insurance and access considerations, and questions to ask before booking. It is directory information, not medical advice. ## Sleep Doctors in Smithtown at a glance Smithtown listings include sleep centers, medical practices, and individual physicians. One listing, Mercy Hospital Center for Sleep Disorders, is marked AASM Accredited. The table below summarizes the listed providers and centers. Some rows are clinics rather than individual physicians, so confirm the clinician you will see before booking. See the full [Smithtown city page](https://findsleepdoctors.com/us/ny/smithtown) and the [New York region page](https://findsleepdoctors.com/us/ny) for directory updates. ## How to choose a sleep doctor in Smithtown Start with your symptoms, referral status, and insurance network. Compare the listed provider type, address, phone number, and any accreditation shown. If a listing does not show a clinician name or credentials, call the office to ask who will evaluate you and whether they accept your coverage. You can also read [how to choose a sleep clinic](https://findsleepdoctors.com/articles/how-to-choose-a-sleep-clinic) and [how to find a sleep doctor near me](https://findsleepdoctors.com/articles/sleep-doctor-near-me). ## What to expect A sleep evaluation often begins with a medical history, symptom review, and a discussion of sleep habits. A clinician may recommend a sleep study, which can be performed in a lab or at home depending on the clinical question. For more background, see [sleep study information](https://findsleepdoctors.com/articles/sleep-study) and [home sleep study information](https://findsleepdoctors.com/articles/home-sleep-study). Follow the instructions provided by the ordering clinician and the testing site. ## Insurance, cost and access Coverage rules vary by insurer, plan, and state. Before booking, ask whether the provider is in network, whether a referral or prior authorization is required, and what out-of-pocket costs may apply. This guide does not list prices because directory data does not include fee information. If you are outside the United States, adapt these questions to your local coverage system. ## Neighborhoods and access Listed Smithtown addresses include 50 NY-25A, 257 E Middle Country Rd, 240 Middle Country Rd Ste A, 257 Middle Country Rd, 994 W Jericho Tpke, and 38 Landing Ave. Several listings share Middle Country Road addresses, so confirm the suite or office name before traveling. Nearby cities in the directory include Islandia, Commack, Port Jefferson Station, and Port Jefferson. ## Questions to ask before booking - Who will perform my evaluation, and what are their credentials? - Is the provider or center in my insurance network? - Do I need a referral or prior authorization? - What type of sleep study, if any, is recommended? - Where is testing performed, and what preparation is required? - How will results be shared, and with whom? ## Frequently asked questions ### How many sleep providers are listed in Smithtown? The table includes 10 listed sleep providers and centers in Smithtown. ### Are all listed providers individual physicians? No. The directory mixes individual physicians with sleep centers and clinics, so check the listing and call the office to confirm who will see you. ### What does AASM Accredited mean? It indicates that Mercy Hospital Center for Sleep Disorders is accredited by the American Academy of Sleep Medicine according to the directory listing. Contact the center for current service details. ### Do I need a referral? Referral requirements depend on your insurer and the provider. Ask both your insurance plan and the provider's office before scheduling. ### What is a sleep study? A sleep study is a test used to evaluate sleep-related breathing, movement, or other sleep concerns. The ordering clinician decides whether it is appropriate and where it should be performed. ### Can I use telehealth with these listings? The directory data provided for these Smithtown listings does not show telehealth availability. Contact each office directly to confirm current options. ## How we built this guide This guide is based on Find Sleep Doctors directory data for Smithtown, New York, including provider names, credentials, specialties, addresses, and phone numbers. Sources referenced include the American Academy of Sleep Medicine and the NHLBI. Last updated: 2026-10-26. Byline: Find Sleep Doctors Editorial Team. This is directory information, not medical advice, and it does not replace guidance from a qualified clinician. ## Related guides in this series - [Sleep Doctors in Edina, Minnesota: How to Find the Right Specialist](https://findsleepdoctors.com/articles/sleep-doctors-edina-mn-us) — Edina, Minnesota lists 8 sleep providers and centers in the Find Sleep Doctors directory. This guide explains how to compare them, what to expect, and how to prepare before booking. - [Sleep Doctors in Helena, Montana: How to Find the Right Specialist](https://findsleepdoctors.com/articles/sleep-doctors-helena-mt-us) — A directory guide to 8 listed sleep providers and centers in Helena, Montana, with contact details and practical booking questions. - [Sleep Doctors in Burnsville, Minnesota: How to Find the Right Specialist](https://findsleepdoctors.com/articles/sleep-doctors-burnsville-mn-us) — This guide lists eight sleep providers and centers in Burnsville, Minnesota, with addresses and phone numbers from the Find Sleep Doctors directory. It also explains how to compare options, plan a visit, and prepare questions for a sleep medicine appointment. ## Ready to find a sleep doctor near you? Browse sleep medicine doctors across six countries, organized by region and city, and reach out directly — all in one free, verified directory. See [all countries and cities](https://findsleepdoctors.com/sleep-doctor-near-me). This medical guide reflects generally accepted clinical guidance for sleep disorders. It is informational and not a substitute for personalised medical advice — consult a qualified sleep specialist or your GP. ## Related - [All sleep health guides](https://findsleepdoctors.com/articles) - [Home](https://findsleepdoctors.com/) - [Country and city index](https://findsleepdoctors.com/sleep-doctor-near-me)