About Dr. Margarita Oks
Dr. Margarita Oks is a sleep medicine physician at Lenox Hill Hospital Northwell Health in New York, NY.
In Medicare's directory, Dr. Oks is also listed under pulmonary disease and critical care (intensivists).
Dr. Oks completed medical school in 2011.
According to Medicare, Dr. Oks accepts Medicare assignment and offers telehealth visits.
Where Dr. Oks practices
100 East 77 Street 4 East 4 East, New York, NY 10075
(212) 434-4664
Clinic rated 3.6 from 797 Google reviews
Other sleep physicians at Lenox Hill Hospital Northwell Health
Questions about Dr. Margarita Oks
Where does Dr. Margarita Oks practice?
Dr. Margarita Oks is listed at Lenox Hill Hospital Northwell Health (New York, NY). Call the clinic to confirm before you book.
How do I make an appointment with Dr. Margarita Oks?
Call Lenox Hill Hospital Northwell Health at (212) 434-4664 and ask for Dr. Oks. Ask whether you need a referral and whether your insurance is accepted.
What does Dr. Margarita Oks specialize in?
Dr. Margarita Oks specializes in sleep medicine, with pulmonary disease and critical care (intensivists) also listed. Sleep medicine physicians diagnose and treat conditions such as sleep apnea, insomnia, narcolepsy, and restless legs syndrome.
Does Dr. Margarita Oks accept Medicare?
Medicare's clinician directory lists Dr. Oks 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. Margarita Oks offer telehealth?
Medicare's clinician directory lists Dr. Oks 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. Margarita Oks, or is something here out of date? Let us know. Find a sleep doctor near you.