Doctor profile · Federal record
Dr. Muhammad Najjar, M.D.
Sleep Medicine (Psychiatry & Neurology) Physician (CMS: Neurology) · Neurology Physician · Northbrook, IL
- NPI 1265489140
- Accepts Medicare
- 35 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1535 Lake Cook RD Ste 206
Northbrook, IL 600621451
(847) 674-3600
fax (847) 674-3639
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 22, 2018
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 2084S0012X — NUCC code
- State licenses (2)
- Indiana #01067650 · Illinois #336062062
- Medicaid (2)
- IN #200932940C · IN #201046350
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265489140. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
110
Distinct HCPCS
4
Medicare allowed
$9,761
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 48 | 41 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 22 | 22 | $98 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 21 | 21 | $89 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 19 | 19 | $126 |
In context: peer comparison
Among 1 peers in Northbrook Sleep Medicine (Psychiatry & Neurology) Physician, average services per provider: 27. This provider delivers 4.1× the peer median.Open Payments
Industry payments received
All-time total
$80,547
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Snap Diagnostics LLC | 1 | $80,497.00 | |
| Avadel CNS Pharmaceuticals, LLC | 1 | $29.72 | |
| Jazz Pharmaceuticals INC. | 1 | $20.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
108
Patients
0
Total drug cost
$2,086
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 48 | 0 | $577 |
| Trazodone Hcl | Generic | 31 | 0 | $402 |
| Doxepin Hcl | Generic | 17 | 0 | $130 |
| Armodafinil | Generic | 12 | 0 | $977 |
Frequently asked questions
What is Dr. Muhammad Najjar's medical specialty?
Dr. Muhammad Najjar practices Sleep Medicine (Psychiatry & Neurology) Physician in Northbrook, IL.
Where does Dr. Muhammad Najjar practice?
Dr. Muhammad Najjar practices at 1535 Lake Cook RD Ste 206, Northbrook, IL 600621451. Office phone: 8476743600.
What is Dr. Muhammad Najjar's NPI?
Dr. Muhammad Najjar's National Provider Identifier (NPI) is 1265489140, issued by NPPES.
Does Dr. Muhammad Najjar accept Medicare assignment?
Yes. Dr. Muhammad Najjar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Muhammad Najjar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.