Dr. Brian D. Kossak
- Gender: Male
- Experience: 35 years
- Graduated from: Northwestern University Feinberg Medical School
- Graduation year: 1986
- Sole propriator: No
- NPI: 1164459368
Dr. Brian D. Kossak M.D.
Sleep Medicine Specialist
He is located at 87 Mcgregor Street Dartmouth Hitchcock - Child Neurology in Manchester, NH 03102. Can help patients with the following: Dystonia, Encephalitis, Febrile Seizure, Meningitis, Sore Throat, Transient Ischemic Attack (TIA). His National Provider Identifier (NPI) number is 1164459368. Appointment can be made via the phone number (603) 695-2500. He also has a website where you can get more information. The website can be found at https://www.dartmouth-hitchcock.org/findaprovider/provider/184/Brian-D-Kossak. He is affiliated with 3 hospitals.
Conditions treated
Dr. Brian David Kossak, being an sleep medicine specialist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Brian D. Kossak.
- Abdominal Pain
- Allergic Reaction
- Alzheimer's Disease
- Amnesia
- Amyotrophic Lateral Sclerosis (ALS)
- Anemia
- Anencephaly
- Anxiety
- Aphasia
- Asthma
- Autism
- Bee and Wasp Stings
- Birth Defects
- Brain Aneurysm
- Brain Damage
- Brain Hemorrhage
- Bronchitis
- Cerebral Palsy (CP)
- Cervical Radiculopathy
- Charcot-Marie-Tooth Disease (CMT)
- Childhood Behavioral and Emotional Disorders
- Childhood Obesity
- Chronic Cough
- Claudication
- Cleft Palate and Cleft Lip
- Cluster Headaches
- Colic
- Common Cold
- Complex Regional Pain Syndrome
- Concussion
- Creutzfeldt-Jakob Disease (CJD)
- Croup
- Degenerative Disc Disease (DDD)
- Dementia
- Depression
- Developmental Delays
- Double Vision
- Down Syndrome
- Dyslexia
- Dystonia
- Early Onset Alzheimers
- Eczema
- Edwards Syndrome
- Encephalitis
- Encephalopathy
- Enuresis
- Epilepsy
- Face Blindness
- Fainting
- Febrile Seizure
- Fetal Alcohol Syndrome (FAS)
- Fever
- Food Poisoning
- Fragile X Syndrome (FXS)
- General Care
- Grief
- Guillain-Barre Syndrome (GBS)
- Hay Fever
- Head Injury
- Head Lice
- Headache
- Heart Disease
- Herniated Disc
- Hives
- Huntington's Disease (HD)
- Hypersomnia
- Infant Care
- Influenza
- Insomnia
- Isolation
- Jaundice
- Jet Lag
- Kawasaki Disease
- Learning Disability
- Low Back Pain
- Lumbar Spinal Stenosis
- Mad Cow Disease
- Meningitis
- Meralgia Paresthetica
- Migraine
- Motion Sickness
- Multiple Sclerosis (MS)
- Muscular Dystrophy
- Myasthenia Gravis (MG)
- Myofascial Pain Syndrome (MPS)
- Narcolepsy
- Nausea and Vomiting
- Nerve Damage
- Neuropathic Pain
- Night Sweats
- Nightmares
- Noonan Syndrome
- Online Therapy
- Optic Neuritis
- PANDAS
- Paralysis
- Parenting
- Parkinson's Disease
- Peripheral Nerve Injuries
- Peripheral Nerve Tumors
- Peripheral Neuropathy
- Pervasive Developmental Disorders (PDD)
- Phenylketonuria (PKU)
- Pinched Nerve
- Pinworm Infection
- Polio
- Prescription Refill
- Problem Sleepiness
- Progressive Neurological Disorders
- Pseudotumor Cerebri
- Relationship Issues
- Restless Leg Syndrome (RLS)
- Reye Syndrome
- Rickets
- Sciatica
- Seizures
- Sinusitis
- Skin Rash
- Sleep Apnea
- Sleep Disorders
- Sleep Paralysis
- Sleepwalking
- Snoring
- Sore Throat
- Speech Disorders
- Stiff Person Syndrome (SPS)
- Stress
- Stroke
- Stuttering
- Sudden Infant Death Syndrome (SIDS)
- Tardive Dyskinesia
- Tension Headache
- Tics
- Tinnitus
- Tourette Syndrome
- Transient Ischemic Attack (TIA)
- Trauma
- Traumatic Brain Injury
- Tremor
- Trigeminal Neuralgia (TN)
- Turner Syndrome
- Upper Respiratory Infection (URI)
- Urinary Tract Infection (UTI)
- Vertigo
- Vestibular Testing
- Wernicke-Korsakoff Syndrome
- Williams Syndrome
- Wilson-Turner Syndrome
Procedures Performed by Dr. Brian D. Kossak
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Brian D. Kossak as in-network for the following 2026 plans.
Health plans
Ambetter from NH Healthy Families
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 18 plans from Ambetter from NH Healthy Families
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Choice Bronze HSA | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Choice Bronze HSA + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Clear Silver | EPO · Silver | Preferred | Accepting new patients |
| Clear Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Complete Gold | EPO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Complete Silver | EPO · Silver | Preferred | Accepting new patients |
| Complete Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
| Elite Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Gold | EPO · Gold | Preferred | Accepting new patients |
| Everyday Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Standard Expanded Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | EPO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients |
| Standard Silver | EPO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients |
Anthem Blue Cross and Blue Sheld
Network data as of Sep 10, 2026, as reported by the insurer.
Show all 26 plans from Anthem Blue Cross and Blue Sheld
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Preferred Blue PPO 6000/20%/8000 w/HSA | PPO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Preferred Blue PPO 7000/50%/8000 w/HSA | PPO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Preferred Blue PPO 7500/30%/10000 Value | PPO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Preferred Blue PPO 8500/50%/9200 | PPO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Gold Preferred Blue PPO 1000/20%/7500 | PPO · Gold | Participating | Accepting new patients |
| Anthem Gold Preferred Blue PPO 2000/0%/6500 RxD | PPO · Gold | Participating | Accepting new patients |
| Anthem Gold Preferred Blue PPO 2000/10%/4600 w/HSA | PPO · Gold | Participating | Accepting new patients |
| Anthem Gold Preferred Blue PPO 2000/10%/7500 | PPO · Gold | Participating | Accepting new patients |
| Anthem Gold Preferred Blue PPO 2000/20%/4600 w/HSA | PPO · Gold | Participating | Accepting new patients |
| Anthem Gold Preferred Blue PPO 3000/0%/7500 RxD | PPO · Gold | Participating | Accepting new patients |
| Anthem Gold Preferred Blue PPO 500/30%/9000 | PPO · Gold | Participating | Accepting new patients |
| Anthem Platinum Preferred Blue PPO 250/10%/3500 | PPO · Platinum | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 2500/30%/10000 Value | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 3000/30%/9000 Value | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 3500/20%/10000 | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 3500/20%/7250 w/HSA | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 4000/0%/9000 | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 4000/0%/9000 RxD | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 4000/10%/7250 w/HSA | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 4000/20%/8500 | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 4000/30%/9000 Value | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 4500/20%/7250 w/HSA | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 5000/0%/8000 w/HSA | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 5000/0%/9000 | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 5000/30%/9000 Value | PPO · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred Blue PPO 6500/0%/9000 RxD | PPO · Silver | Participating | Accepting new patients |
Anthem Blue Cross and Blue Shield
Network data as of Sep 10, 2026, as reported by the insurer.
Show all 64 plans from Anthem Blue Cross and Blue Shield
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Access Blue New England HMO 6000/20%/8000 w/HSA | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Access Blue New England HMO 7000/50%/8000 w/HSA | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Access Blue New England HMO 7500/30%/10000 Value | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Access Blue New England HMO 8500/50%/9200 | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway X Enhanced 6000/35% HSA | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway X Enhanced 7000/0% ($0 Virtual PCP + $0 Select Drugs) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway X Enhanced 7500/50% ($0 Virtual PCP + $0 Select Drugs) Standard | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway X HMO 6000/20%/8000 w/HSA | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway X HMO 7000/50%/8000 w/HSA | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway X HMO 7500/30%/10000 Value | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway X HMO 8500/50%/9200 | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Catastrophic Pathway X Enhanced | HMO · Catastrophic | Participating | Accepting new patients |
| Anthem Gold Access Blue New England HMO 1000/20%/7500 | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Access Blue New England HMO 2000/0%/6500 RxD | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Access Blue New England HMO 2000/10%/4600 w/HSA | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Access Blue New England HMO 2000/10%/7500 | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Access Blue New England HMO 2000/20%/4600 w/HSA | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Access Blue New England HMO 3000/0%/7500 RxD | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Access Blue New England HMO 500/30%/9000 | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway X Enhanced 1200/20% ($0 Virtual PCP + $0 Select Drugs) | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway X Enhanced 2000/25% ($0 Virtual PCP + $0 Select Drug) Standard | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway X Enhanced 700/40% ($0 Virtual PCP + $0 Select Drugs) | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway X HMO 1000/20%/7500 | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway X HMO 2000/0%/6500 RxD | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway X HMO 2000/10%/4600 w/HSA | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway X HMO 2000/10%/7500 | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway X HMO 2000/20%/4600 w/HSA | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway X HMO 3000/0%/7500 RxD | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway X HMO 500/30%/9000 | HMO · Gold | Participating | Accepting new patients |
| Anthem Heart Healthy Bronze Pathway X Enhanced 6000/40% ($0 Virtual PCP + $0 Select Drugs) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Heart Healthy Silver Pathway X Enhanced 4000/0% ($0 Virtual PCP + $0 Select Drugs) | HMO · Silver | Participating | Accepting new patients |
| Anthem Platinum Access Blue New England HMO 250/10%/3500 | HMO · Platinum | Participating | Accepting new patients |
| Anthem Platinum Pathway X HMO 250/10%/3500 | HMO · Platinum | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 2500/30%/10000 Value | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 3000/30%/9000 Value | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 3500/20%/10000 | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 3500/20%/7250 w/HSA | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 4000/0%/9000 | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 4000/0%/9000 RxD | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 4000/10%/7250 w/HSA | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 4000/20%/8500 | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 4000/30%/9000 Value | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 4500/20%/7250 w/HSA | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 5000/0%/8000 w/HSA | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 5000/0%/9000 | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 5000/30%/9000 Value | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Access Blue New England HMO 6500/0%/9000 RxD | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X Enhanced 4500/20% HSA | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X Enhanced 5500/20% ($0 Virtual PCP + $0 Select Drugs) | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X Enhanced 6000/40% ($0 Virtual PCP + $0 Select Drugs) Standard | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 2500/30%/10000 Value | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 3000/30%/9000 Value | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 3500/20%/10000 | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 3500/20%/7250 w/HSA | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 4000/0%/9000 | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 4000/0%/9000 RxD | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 4000/10%/7250 w/HSA | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 4000/20%/8500 | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 4000/30%/9000 Value | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 4500/20%/7250 w/HSA | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 5000/0%/8000 w/HSA | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 5000/0%/9000 | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 5000/30%/9000 Value | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway X HMO 6500/0%/9000 RxD | HMO · Silver | Participating | Accepting new patients |
Harvard Pilgrim Health Care
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 9 plans from Harvard Pilgrim Health Care
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| NH Local Choice HMO Bronze 8000 + $0 Rx list + $0 Virtual Urgent Care | HMO · Expanded Bronze | Preferred | Accepting new patients |
| NH Local Choice HMO Gold + $0 Rx list + $0 Virtual Urgent Care | HMO · Gold | Preferred | Accepting new patients |
| NH Local Choice HMO Gold 1400 + $0 Rx list + $0 Virtual Urgent Care | HMO · Gold | Preferred | Accepting new patients |
| NH Local Choice HMO HSA Bronze 6000 | HMO · Expanded Bronze | Preferred | Accepting new patients |
| NH Local Choice HMO Silver 3500 + $0 Rx list + $0 Virtual Urgent Care | HMO · Silver | Preferred | Accepting new patients |
| NH Local Choice HMO Silver 5000 + $0 Rx list + $0 Virtual Urgent Care | HMO · Silver | Preferred | Accepting new patients |
| NH Local HMO Bronze 7500 Standard + $0 Rx list + $0 Virtual Urgent Care | HMO · Expanded Bronze | Standard | Accepting new patients |
| NH Local HMO Gold 2000 Standard + $0 Rx list + $0 Virtual Urgent Care | HMO · Gold | Standard | Accepting new patients |
| NH Local HMO Silver 6000 Standard + $0 Rx list + $0 Virtual Urgent Care | HMO · Silver | Standard | Accepting new patients |
WellSense Health Plan
Network data as of Sep 1, 2026, as reported by the insurer.
Show all 7 plans from WellSense Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| WellSense Clarity NH Bronze 6500 HSA + $0 Rx List + 24/7 Nurse Advice | HMO · Expanded Bronze | Preferred | Accepting new patients |
| WellSense Clarity NH Bronze 7500 HSA + $0 Rx List + 24/7 Nurse Advice | HMO · Expanded Bronze | Preferred | Accepting new patients |
| WellSense Clarity NH Bronze 7600 HSA + $0 Rx List + 24/7 Nurse Advice | HMO · Expanded Bronze | Preferred | Accepting new patients |
| WellSense Clarity NH Gold 2000 + $0 Rx List + 24/7 Nurse Advice | HMO · Gold | Preferred | Accepting new patients |
| WellSense Clarity NH Silver 0 Deductible + $0 Rx List + 24/7 Nurse Advice | HMO · Silver | Preferred | Accepting new patients |
| WellSense Clarity NH Silver 3400 + $0 Rx List + 24/7 Nurse Advice | HMO · Silver | Preferred | Accepting new patients |
| WellSense Clarity NH Silver 6000 + $0 Rx List + 24/7 Nurse Advice | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Brian D. Kossak is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Brian D. Kossak is enrolled to bill Medicare as a Practitioner - Sleep Medicine (also registered under: Practitioner - Neurology) .
Bills through: Dartmouth-hitchcock Clinic
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated in 1986Other ways to reach out
- Website: https://www.dartmouth-hitchcock.org/findaprovider/provider/184/Brian-D-Kossak
Additional Specialities
- Neurologist
- Pediatrician
Looking for more Sleep Medicine Specialists?
Here are sleep medicine specialists in New Hampshire you may want to explore.
- Gender: Male
- Address: 87 Mcgregor Street Manchester, 3102, NH
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- Address: 10 Alice Peck Day Drive Lebanon, 3766, NH
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- Address: 1 Medical Center Drive Lebanon, 3756, NH
- Gender: Female
- Address: Sleep Medicine 18 Old Etna Road Lebanon, 3766, NH
- Gender: Female
- Address: 87 Mcgregor Street Manchester, 3102, NH
Questions & Answers
Where can you meet with Dr. Brian David Kossak?
Dr. Brian David Kossak's office is located at 87 Mcgregor Street Dartmouth Hitchcock - Child Neurology in Manchester, NH 03102.
Has Dr. Brian David Kossak affiliation with hospitals?
Dr. Brian David Kossak is affiliated with ELLIOT HOSPITAL. For the full list of hospitals see this list.
Does Dr. Brian David Kossak accept patients with Anthem Blue Cross and Blue Sheld?
Yes, Dr. Brian David Kossak is listed in-network for Anthem Blue Cross and Blue Sheld through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Brian David Kossak treat?
Dr. Brian David Kossak provides treatment for Dystonia, Encephalitis, Febrile Seizure, Meningitis, Sore Throat, Transient Ischemic Attack (TIA). For the full list see this list.