Highly rated in
Highly rated in
Areas of Expertise

Many doctors have expertise treating multiple conditions. MediFind uses a variety of data sources to determine what conditions a doctor treats and their level of experience.

Check Dr. Brian D. Kossak's experience treating your condition:
About Dr. Brian D. Kossak

Brian Kossak is a Sleep Medicine specialist and a Neurologist in Nashua, New Hampshire. Kossak has been practicing medicine for over 36 years and is highly rated in 2 conditions, according to our data. His top areas of expertise are Obstructive Sleep Apnea, Narcolepsy, Central Sleep Apnea, and Restless Legs Syndrome. He is licensed to treat patients in Massachusetts and New Hampshire. Kossak is currently accepting new patients.

His clinical research consists of co-authoring 1 peer reviewed article in the past 15 years.


MediFind strives to display the most accurate insurance information for every doctor. If you do not see your insurance listed for Dr. Brian D. Kossak it is best to call his office and ask if your insurance is accepted.

Accepts Medicare

Dr. Brian D. Kossak accepts the following insurance:

  •  Ambetter
  •  Anthem

Call to see if your plan is accepted.
280 Main St, Suite 441, Nashua, NH 03060
Background & Education
Graduate Institution
Other, 1986
Sleep Medicine
Pediatrics in NH
Hospital Affiliations
Southern New Hampshire Medical Center
Elliot Hospital
Languages Spoken
Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Doctors who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

1 Total Publications

Save this doctor for later
Sign Up
Looking for the best doctor for you?
Start Here
Is this your doctor?
Find a second opinion
Not sure about your diagnosis?
Check Your Symptoms
Learn about our expert tiers
Learn more
Similar Doctors