About Dr. Jonathan Lown
Dr. Jonathan Lown is a sleep medicine physician at Delta Sleep Center of Long Island in Commack, NY.
In Medicare's directory, Dr. Lown is also listed under internal medicine.
Dr. Lown graduated from State University of New York Downstate Medical Center in 1995.
According to Medicare, Dr. Lown accepts Medicare assignment and offers telehealth visits.
Where Dr. Lown practices
2171 Jericho Turnpike, Suite 100, Commack, NY 11725
(631) 343-7242
Clinic rated 4.3 from 28 Google reviews
Questions about Dr. Jonathan Lown
Where does Dr. Jonathan Lown practice?
Dr. Jonathan Lown is listed at Delta Sleep Center of Long Island (Commack, NY). Call the clinic to confirm before you book.
How do I make an appointment with Dr. Jonathan Lown?
Call Delta Sleep Center of Long Island at (631) 343-7242 and ask for Dr. Lown. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. Jonathan Lown specialize in?
Dr. Jonathan Lown specializes in sleep medicine, with internal medicine also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. Jonathan Lown accept Medicare?
Medicare's clinician directory lists Dr. Lown as accepting Medicare assignment, which means agreeing to the Medicare-approved amount as full payment for covered services. Confirm with the clinic before your visit.
Does Dr. Jonathan Lown offer telehealth?
Medicare's clinician directory lists Dr. Lown as offering telehealth. Ask the clinic which visits can be done remotely; a sleep study itself usually happens at home or in a lab.
From the NPI registry (data through November 2, 2026) and Medicare's Doctors and Clinicians directory (released November 12, 2026). These are records physicians and clinics keep with the government, and they can lag behind changes. They do not show board certification. Are you Dr. Jonathan Lown, or is something here out of date? Let us know. Find a sleep doctor near you.