Doctor profile · Federal record
Dr. Brian Kossak, M.D.
Sleep Medicine (Psychiatry & Neurology) Physician (CMS: Sleep Medicine) · Pediatric Neurodevelopmental Disabilities Physician · Neurology With Special Qualifications in Child Neurology Physician · Neurology With Special Qualifications in Child Neurology Physician · Manchester, NH
- NPI 1164459368
- Accepts Medicare
- 40 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
87 McGregor St, Dartmouth Hitchcock - Child Neurology
Manchester, NH 031023765
(603) 695-2500
fax (603) 695-2960
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- June 10, 2021
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 2084S0012X — NUCC code
- State licenses (2)
- New Hampshire #8711 · Massachusetts #213688
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164459368. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
330
Distinct HCPCS
8
Medicare allowed
$38,831
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 121 | 83 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 53 | 48 | $91 | |
G0399 |
Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | 49 | 49 | $45 | |
95810 |
Sleep study in sleep lab (6 years or older) | 28 | 28 | $116 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 22 | 22 | $121 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $167 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 22 | 22 | $179 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $220 |
In context: peer comparison
Among 1 peers in Manchester Sleep Medicine (Psychiatry & Neurology) Physician, average services per provider: 41. This provider delivers 8.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
86
Patients
0
Total drug cost
$9,828
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ropinirole Hcl | Generic | 24 | 0 | $923 |
| Clonazepam | Generic | 23 | 0 | $176 |
| Belsomra (Suvorexant) | Brand | 15 | 0 | $6,963 |
| Modafinil | Generic | 13 | 0 | $1,111 |
| Pramipexole Dihydrochloride (Pramipexole di-Hcl) | Brand | 11 | 0 | $655 |
Frequently asked questions
What is Dr. Brian Kossak's medical specialty?
Dr. Brian Kossak practices Sleep Medicine (Psychiatry & Neurology) Physician in Manchester, NH.
Where does Dr. Brian Kossak practice?
Dr. Brian Kossak practices at 87 McGregor St, Manchester, NH 031023765. Office phone: 6036952500.
What is Dr. Brian Kossak's NPI?
Dr. Brian Kossak's National Provider Identifier (NPI) is 1164459368, issued by NPPES.
Does Dr. Brian Kossak accept Medicare assignment?
Yes. Dr. Brian Kossak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Kossak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation (HCPCS G0399). Source: CMS Medicare Physician & Other Practitioners file.