BK
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Kossak, Sleep Medicine Specialist - Psychiatrist & Neurologist in Nashua, NH?
Dr. Brian Kossak, MD is a Sleep Medicine Specialist - Psychiatrist & Neurologist, who primarily practices in Nashua, NH with 2 additional practice locations. He is board certified by the American Board of Pediatrics. Dr. Kossak completed his residency at Univ Of Chicago Hosps, Child Neurology. Dr. Kossak is fluent in English, and is currently seeing new patients. Dr. Kossak’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kossak’s office.
Where did Dr. Kossak go to medical school and complete their residency?
Residency: Univ Of Chicago Hosps, Child Neurology
Medical School: Northwestern Uniiversity
Is Dr. Kossak board certified in Sleep Medicine Specialist - Psychiatrist & Neurologist?
Yes, Dr. Brian Kossak, MD is board certified by the American Board of Pediatrics
What languages does Dr. Kossak speak?
Dr. Kossak and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Kossak treat?
As a Sleep Medicine Specialist - Psychiatrist & Neurologist, Dr. Kossak diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Kossak. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Obstructive Sleep Apnea
- Central Sleep Apnea
- Sleep Apnea
- Idiopathic Sleep Hypoventilation
- Obstructive sleep apnea
- OSA
- Blocked airway during sleep
- Snoring and gasping during sleep
- CSA
- Brain-Related Sleep Apnea
- Breathing Pauses During Sleep
- Snoring Disorder
- Primary Alveolar Hypoventilation
- Undiagnosed Sleep Breathing Problem
ICD-10 Codes:
- G4733: Obstructive sleep apnea (adult) (pediatric)
- G4731: Primary central sleep apnea
- G4730: Sleep apnea, unspecified
- G4734: Idiopathic sleep related nonobstructive alveolar hypoventilation
Also known as:
- Snoring
- Loud breathing during sleep
- Noisy sleep
- Obstructive snoring
ICD-10 Codes:
- R0683: Snoring
Also known as:
- Excessive Sleepiness
- Restless Legs Syndrome
- Delayed Sleep Phase Disorder
- Other Sleep Movement Disorder
- Periodic Limb Movement Disorder
- Sleep Disorder
- Excessive Sleepiness with Long Sleep
- Sleepwalking
- Body Clock Sleep Disorder
- Restless Legs
- Restless legs syndrome
- Hypersomnia
- Daytime sleepiness
- Too much sleep
- RLS
- Willis-Ekbom Disease
- Delayed sleep phase syndrome
- Night owl sleep disorder
- Trouble falling asleep early
- Unspecified Sleep Movements
- Sleep-Related Motor Disorders
- Abnormal Movements in Sleep
- PLMD
- Leg Jerks During Sleep
- Sleep-Related Leg Movements
- Sleep Problem
- Sleep Disturbance
- Trouble Sleeping
- Idiopathic hypersomnia
- Long sleeper syndrome
- Unexplained excessive sleep
- Somnambulism
- Walking in Sleep
- Circadian rhythm disorder
- Sleep-wake cycle disorder
- Biological clock sleep problems
- Somnolence
- Drowsiness
- Feeling sleepy all the time
ICD-10 Codes:
- G4710: Hypersomnia, unspecified
- G2581: Restless legs syndrome
- G4721: Circadian rhythm sleep disorder, delayed sleep phase type
- G4769: Other sleep related movement disorders
- G4761: Periodic limb movement disorder
- G479: Sleep disorder, unspecified
- G4711: Idiopathic hypersomnia with long sleep time
- F513: Sleepwalking [somnambulism]
- G4720: Circadian rhythm sleep disorder, unspecified type
- R400: Somnolence
Also known as:
- Insomnia
- Other Types of Insomnia
- Sleeplessness
- Trouble sleeping
- Chronic insomnia
- Atypical insomnia
- Uncommon insomnia
- Specific insomnia disorder
ICD-10 Codes:
- G4700: Insomnia, unspecified
- G4709: Other insomnia
Also known as:
- Narcolepsy
- Narcolepsy with Cataplexy
- Sleep Disorder
- Excessive daytime sleepiness
- Sudden sleep attacks
- Type 2 narcolepsy
- Sudden Sleep Attacks with Muscle Weakness
- Daytime Sleepiness with Cataplexy
ICD-10 Codes:
- G47419: Narcolepsy without cataplexy
- G47411: Narcolepsy with cataplexy
Also known as:
- Fatigue
- Tiredness
- Lack of energy
- Exhaustion
ICD-10 Codes:
- R5383: Other fatigue
Which procedures does Dr. Kossak perform as a Sleep Medicine Specialist - Psychiatrist & Neurologist?
As a Sleep Medicine Specialist - Psychiatrist & Neurologist, procedures performed by a Dr. Brian Kossak may include:
- Continuous Positive Airway Pressure Management
- Narcolepsy Evaluation
- Sleep Consultation
- Sleep Medicine Consultation
- Sleep Medicine Follow Up
- Sleep Studies
For detailed information, please contact Dr. Kossak's office.
Does Dr. Kossak accept my insurance?
Dr. Kossak accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Kossak accept in Nashua, NH?
Dr. Kossak in Nashua, NH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Boston Medical Center
Centene
Cigna
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal Employee Program
Independence Blue Cross
Medicare
Point32Health
UnitedHealthcare
View All Insurances
Where is Dr. Kossak's office located?
What is Dr. Kossak's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Kossak's National Provider Identifier (NPI) number is 1164459368.
What common questions do patients ask about Dr. Kossak?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Kossak
What is Dr. Brian Kossak's specialty?
Dr. Kossak is a Sleep Medicine Specialist - Psychiatrist & Neurologist near Nashua, NH. A psychiatrist or neurologist practicing Sleep Medicine is certified in this subspecialty and focuses on the clinical assessment, physiological testing, diagnosis, management, and prevention of sleep and circadian rhythm disorders. Sleep specialists care for patients of all ages and adopt multidisciplinary approaches to treatment. They manage a wide range of conditions, including sleep-related breathing disorders, insomnia, hypersomnia's, circadian rhythm sleep disorders, parasomnias, and sleep-related movement disorders. Contact Dr. Kossak to book an appointment today.
Is this Dr. Brian Kossak affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Kossak is affiliated with Southern New Hampshire Medical Center, Elliot Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Sleep Medicine Specialist - Psychiatrist & Neurologist?
Explore Sleep Medicine Specialist - Psychiatrist & Neurologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Brian Kossak accepting new patients in Nashua, NH?
Yes, Dr. Brian Kossak is accepting new patients at this time.
Does Dr. Brian Kossak offer online booking?
Please contact Dr. Kossak's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Brian Kossak?
Please contact Dr. Kossak's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Brian Kossak have?
Dr. Brian Kossak is certified by the American Board of Pediatrics.
Other Sleep Medicine Specialist - Psychiatrist & Neurologist Near Nashua, NH
MK
Addiction Medicine Specialist
Accepting patientsDr. Michael Kittay, MD is an Addiction Medicine Specialist, who primarily practices in Nashua, NH. He is board certified by the American Board of Anesthesiology.
Nashua, NH
GN
Neurologist
Accepting patientsDr. George Neal, MD is a Neurologist, who primarily practices in Manchester, NH with 2 additional practice locations. He is board certified by the American Board of Psychiatry and Neurology.
Manchester, NH
IR
Sleep Medicine Specialist - Psychiatrist & Neurologist
Accepting patientsDr. Ivia Rivera Agosto, MD is a Sleep Medicine Specialist - Psychiatrist & Neurologist, who primarily practices in Burlington, MA with 1 additional practice location. She is board certified.
Burlington, MA