Summary

Dr. Brian Kossak is a neurologist and pediatrician with four decades of experience treating patients of all ages. He earned his medical degree from Northwestern University Feinberg School of Medicine and completed his residency at The University of Chicago Medicine. His dual specialty training allows him to address neurological conditions in both children and adults. Dr. Kossak is fluent in Chinese, Spanish, French, and English.

Dr. Kossak practices at multiple locations throughout New Hampshire, including Concord and Manchester, with hospital affiliations at Elliot Hospital. He specializes in sleep disorders, particularly sleep apnea and obstructive sleep apnea in both pediatric and adult patients. His expertise includes conducting comprehensive sleep studies and polysomnograms to diagnose sleep-related breathing problems. He also performs end tidal carbon dioxide monitoring to assess respiratory function during sleep. Patients have given him an average rating of 2.7 out of 5.

Overview based on verified provider data

Quick Facts

  • 2.7
  • 40 years of experience
  • speaks Chinese, Spanish, French, English
  • The University Of Chicago Medicine
  • 14 written reviews
  • 2 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 6 hospital affiliations
  • 6 office locations
  • Male

Office Locations

Dr. Brian David Kossak has 6 locations

Dartmouth-Hitchcock Concord

253 Pleasant St Fl 6Concord, NH 03301

Dartmouth-Hitchcock Manchester

87 McGregor St Fl 6Manchester, NH 03102

Dartmouth-Hitchcock Concord

253 Pleasant StConcord, NH 03301

Dartmouth-Hitchcock Manchester

87 McGregor StManchester, NH 03102

Saint Joseph Hospital

172 Kinsley StNashua, NH 03060

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Dr. Brian David Kossak, MDDr. Cinthi Pillai, MDDr. Maria Osulliva El KurdDr. Cynthia Anne Kahn
NeurologyNeurologyPediatricsPediatrics
Accepts New Patients
2.7 
40 Years of Experience 20 Years of Experience 54 Years of Experience 38 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks Chinese, Spanish, French, English Speaks English Speaks English Speaks English
Concord , NHNew York , NYManchester , NHConcord , NH
Med School: Northwestern University Med School: Newcastle University UK Med School: University College Cork School Of Medicine Med School: Tufts University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Brian David Kossak

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Brian David Kossak has the following 2 specialties

Specialty Expertise

Dr. Brian David Kossak has the following 2 areas of expertise

  • Child Neurology
  • Pediatrics

Certifications, License, & Education

40 Years Experience

MEDICAL LICENSE

Medical Doctor, New Hampshire, 2026, Active

EDUCATION & TRAINING

Residency

The University Of Chicago Medicine

Medical School

Northwestern University
Northwestern University Feinberg School Of MedicineGraduated in 1986

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Frequently Asked Questions

Does Dr. Brian Kossak accept my insurance?
You can see the insurance plans that Dr. Brian Kossak accepts on their Vitals profile.
What languages does Dr. Brian Kossak speak?
Dr. Brian Kossak speaks Chinese, Spanish, French, and English.
Where is Dr. Brian Kossak's office located?
Dr. Brian Kossak's office is located at 253 Pleasant St Fl 6, Concord, NH, 03301.
How can I make an appointment with Dr. Brian Kossak?
You can find contact information for Dr. Brian Kossak here on Vitals.
Is Dr. Brian Kossak accepting new patients?
Dr. Brian Kossak has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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