Sleep Clinics in Port Jefferson, NY
⚡ Key Clinical Takeaways
- The table below is the full Port Jefferson, NY listing, with the details the directory holds for each clinic.
- The directory records 12 service labels for the 5 clinics in Port Jefferson.
- 5 of the 5 clinics listed in Port Jefferson have no Google Maps rating on file, so this guide does not report an average for Port Jefferson.
- The figures below come straight from the Sleep Clinic Directory database, counted on November 4, 2026.
The directory lists 5 sleep clinics in Port Jefferson, New York. All 5 clinics listed in Port Jefferson carry the AASM accreditation credential. None of the 5 clinics in Port Jefferson has a Google Maps rating on file, so no average can be calculated. The most commonly listed service in Port Jefferson is Insomnia Treatment, shown by 5 of the 5 clinics.
Port Jefferson at a glance
The table below is the full Port Jefferson, NY listing, with the details the directory holds for each clinic.
| Clinic | ZIP | Phone | Listed services | AASM accredited |
|---|---|---|---|---|
| Catholic Health Sleep Services-4 South | 11777 | (631) 474-6000; (631) 476-5677 | Insomnia Treatment, Narcolepsy Treatment, Sleep Apnea Treatment, Pediatric Sleep Disorder Treatment, Restless Legs Syndrome Treatment, Sleep Medicine Consultation | Yes |
| Mather Hospital Northwell Health | 11777 | (631) 476-2723; (631) 473-1320 | Insomnia Treatment, Sleep Apnea Treatment, Sleep Disorder Diagnosis, Sleep Disorder Treatment, Sleep Medicine Consultation, Sleep Disorders Therapy | Yes |
| Mather Hospital Sleep Disorders Center | 11777 | (631) 476-2721 | Insomnia Treatment, Sleep Apnea Treatment, Home Sleep Testing, Sleep Study, Sleep Medicine Consultation, In-Lab Sleep Testing (Polysomnography) | Yes |
| Mather Medical Group Pulmonary and Sleep | 11776 | (631) 476-2721; (631) 743-6890 | Insomnia Treatment, Sleep Apnea Treatment, Sleep Disorder Diagnosis, Sleep Disorder Treatment, Sleep Medicine Consultation, Sleep Disorders Therapy | Yes |
| St. Charles Sleep Disorders Center | 11777 | (844) 727-5337; (631) 474-6277 | Insomnia Treatment, Sleep Apnea Treatment, Home Sleep Testing, Sleep Study, Narcolepsy Treatment, Restless Legs Syndrome Treatment, Sleep Medicine Consultation, In-Lab Sleep Testing (Polysomnography) | Yes |
The 5 clinics sit in 2 ZIP codes — 11776, 11777. 5 of the 5 clinics list a phone number. The whole listing sits on the Port Jefferson clinic list and the New York state page.
Services available in Port Jefferson
The directory records 12 service labels for the 5 clinics in Port Jefferson. The five listed below are the ones the most clinics report.
- Insomnia Treatment — appears on 5 of 5 Port Jefferson listings.
- Sleep Apnea Treatment — appears on 5 of 5 Port Jefferson listings.
- Sleep Medicine Consultation — appears on 5 of 5 Port Jefferson listings.
- Home Sleep Testing — appears on 2 of 5 Port Jefferson listings.
- In-Lab Sleep Testing (Polysomnography) — appears on 2 of 5 Port Jefferson listings.
2 clinics in Port Jefferson list a home sleep test and 2 list in-lab polysomnography, so both testing routes are represented in the directory. Which of these applies to you is a question for the clinic.
Ratings and reviews in Port Jefferson
5 of the 5 clinics listed in Port Jefferson have no Google Maps rating on file, so this guide does not report an average for Port Jefferson. Ratings appear on a clinic page once the Maps match is complete.
Questions to ask before booking
- All 5 clinics in Port Jefferson list AASM accreditation — how long is the current accreditation valid, and does it cover the specific service I need?
- Which of the 5 clinics in Port Jefferson offers insomnia treatment, and can that be booked at the Port Jefferson location rather than another site?
- Of the 5 clinics in Port Jefferson, which accept my insurance, and what is the referral or prior-authorisation requirement?
How we built this guide
The figures below come straight from the Sleep Clinic Directory database, counted on November 4, 2026. The clinic count comes from the 5 canonical listings in Port Jefferson, New York; accreditation from the credential recorded for each listing; ratings and review counts from the Google Maps match for each clinic; and services from the service labels each clinic publishes. NPPES registry and Google Maps business listings are the source of these records. Each listing shows what clinics publish about themselves; the directory does not rate clinics, and none of this is medical advice.
Frequently asked questions
5 sleep clinics are listed in Port Jefferson — do they have ratings?
No. The directory lists 5 clinics in Port Jefferson, but none of the 5 has a Google Maps rating on file yet, so no average rating can be given for Port Jefferson.
Which sleep service do clinics in Port Jefferson offer most often?
insomnia treatment is the most frequently listed service in Port Jefferson, reported by 5 of 5 clinics. The number reflects what clinics list as their services, which is not the same as a clinical recommendation.
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This medical guide complies with the American Academy of Sleep Medicine (AASM) standards of care for sleep disorders and reflects generally accepted clinical guidelines. It is informational and not a substitute for personalized medical advice.