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Dr. Muhammad Najjar, MD

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Specializes in: Neurology (Brain & Spinal Cord Disease) and Sleep Medicine

University of Aleppo Faculty of Medicine

Professional interests include: sleep apnea, sleep disorders

2242 W. Harrison Street Suite 104
Chicago, IL 60612

(312) 996-7708

Dr. Muhammad Najjar, MD is a neurologist in Northbrook, IL specializing in neurology (brain & spinal cord disease) and sleep medicine. He graduated from University of Aleppo Faculty of Medicine. Dr. Muhammad Najjar, MD is affiliated with U.S. Department of Veterans Affairs and University of Illinois Hospital and Health Sciences System.

Office Locations

1535 Lake Cook Road Suite 206
Northbrook, IL 60062

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University of Illinois Hospital and Health Sciences System

2242 W. Harrison Street Suite 104
Chicago, IL 60612

(312) 996-7708

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3001 Green Bay Road North Chicago
North Chicago, IL 60064

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In The News

“Dr. Muhammad Najjar, a neurology specialist in sleep medicine with Northshore Sleep Medicine in Evanston, Illinois, said the study seems to make a lot of sense.”—"Here's why you don't sleep well in new places", CNN, April 2016

“"When we go to sleep, we like to be in a dark room, so sitting inside all day - without direct sunlight - is not going to be good to stay awake," says Dr. Muhammad Najjar, a sleep specialist at...”—"5 caffeine-free ways to energize for your midterms", USA Today, March 2016

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2012 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	36
doctor visit	139
sleep study	60

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2013 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	88
doctor visit	224
sleep study	165

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	126
Female	97

**Ethnicity**
Non-Hispanic White	165
Black	43
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	0
85 and over	0
Less than 65	51

Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD in 2013

Hypertension	75
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	43
Depression	25
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	25
Diabetes	48
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2014 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	108
doctor visit	462
sleep study	180

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	175
Female	140

**Ethnicity**
Non-Hispanic White	229
Black	50
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	64
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD in 2014

Hypertension	75
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	39
Depression	23
Chronic Kidney Disease	23
Asthma	12
Osteoperosis	4
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	46
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2015 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	69
doctor visit	848
sleep study	149

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	568
Female	370

**Ethnicity**
Non-Hispanic White	736
Black	108
Hispanic	56
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	506
From 75 to 84	232
85 and over	56
Less than 65	144

Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD in 2015

Hypertension	70
High Cholesterol	62
Stroke	3
Ischemic Heart Disease	38
Depression	23
Chronic Kidney Disease	23
Asthma	14
Osteoperosis	4
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	39
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2016 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	64
doctor visit	660
sleep study	123

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	222
Female	163

**Ethnicity**
Non-Hispanic White	298
Black	42
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	215
From 75 to 84	108
85 and over	22
Less than 65	40

Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD in 2016

Hypertension	68
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	32
Depression	26
Chronic Kidney Disease	26
Asthma	17
Osteoperosis	4
Atrial Fibrilation	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	34
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2017 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	104
doctor visit	644
sleep study	153

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	215
Female	188

**Ethnicity**
Non-Hispanic White	214
Black	106
Hispanic	61
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	91
85 and over	24
Less than 65	109

Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD in 2017

Hypertension	68
High Cholesterol	38
Stroke	4
Ischemic Heart Disease	32
Depression	24
Chronic Kidney Disease	33
Asthma	13
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	25
Chronic Obstructive Pulmonary Disease	14
Diabetes	39
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2018 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	60
doctor visit	568
sleep study	76

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	183
Female	169

**Ethnicity**
Non-Hispanic White	174
Black	100
Hispanic	49
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	96
85 and over	18
Less than 65	79

Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD in 2018

Hypertension	70
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	34
Asthma	12
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	28
Chronic Obstructive Pulmonary Disease	14
Diabetes	41
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2019 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	47
doctor visit	476
sleep study	86

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	150
Female	145

**Ethnicity**
Non-Hispanic White	163
Black	73
Hispanic	39
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	136
From 75 to 84	76
85 and over	21
Less than 65	62

Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD in 2019

Hypertension	68
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	32
Depression	24
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	27
Chronic Obstructive Pulmonary Disease	13
Diabetes	39
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2020 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	13
doctor visit	43
sleep study	13

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	50
Female	61

**Ethnicity**
Non-Hispanic White	0
Black	53
Hispanic	31
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	0
85 and over	0
Less than 65	58

Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD in 2020

Hypertension	68
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	41
Asthma	19
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	32
Chronic Obstructive Pulmonary Disease	15
Diabetes	49
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2021 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	20
doctor visit	87
sleep study	20

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	39
Female	37

**Ethnicity**
Non-Hispanic White	0
Black	31
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	27
From 75 to 84	0
85 and over	0
Less than 65	38

Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD in 2021

Hypertension	70
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	32
Depression	36
Chronic Kidney Disease	51
Asthma	14
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	33
Chronic Obstructive Pulmonary Disease	17
Diabetes	51
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL during 2022 were sleep study and airway management.

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

airway management	21
doctor visit	114
sleep study	34

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	47
Female	53

**Ethnicity**
Non-Hispanic White	0
Black	45
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	38
From 75 to 84	0
85 and over	0
Less than 65	46

Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD in 2022

Hypertension	75
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	25
Depression	26
Chronic Kidney Disease	31
Asthma	17
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	25
Chronic Obstructive Pulmonary Disease	14
Diabetes	41
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Muhammad Najjar, MD for Medicare patients.

The highest averages for the top procedures that Dr. Muhammad Najjar, MD treated as a neurologist in Northbrook, IL were sleep study and airway management.

airway management	57
doctor visit	387
sleep study	96

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Muhammad Najjar, MD.

**Gender**
Male	161
Female	129

**Ethnicity**
Black / African American	59
Asian / Pacific Islander	0
Non-Hispanic White	179
Native American / Alaskan Native	0
Hispanic	28
Other	0

**Age**
75 to 84	60
85 and over	12
Less than 65	57
65 to 74	145

Average of Total of Conditions of Medicare patients treated by Dr. Muhammad Najjar, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Muhammad Najjar, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	64
High Cholesterol	49
Stroke	2
Ischemic Heart Disease	31
Depression	23
Chronic Kidney Disease	29
Asthma	13
Osteoporosis	2
Heart Failure	23
Chronic Obstructive Pulmonary Disease	14
Diabetes	38
Atrial Fibrillation	11
Dementia	4
Cancer	6

Education & Training

Dr. Muhammad Najjar, MD graduated from University of Aleppo Faculty of Medicine. He completed residency at Louisiana State University Affiliated Hospitals. He is certified by the Board Certification: Sleep Medicine and has a state license in Illinois.

Medical School: University of Aleppo Faculty of Medicine

Residency: Louisiana State University Affiliated Hospitals

Board Certification: Board Certification: Sleep Medicine

Licensed In: Illinois

Affiliations & Hospitals

Dr. Muhammad Najjar, MD is associated with these hospitals and organizations:

U.S. Department of Veterans Affairs

University of Illinois Hospital and Health Sciences System

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General Payments

These charts describe general payments received by Dr. Muhammad Najjar, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
SNAP Diagnostics LLC	$418,266 SNAP Diagnostics study $197,667	Sleep Apnea Testing Device $6,250	$214,350
Jazz Pharmaceuticals Inc.	$410 Xyrem $245	SUNOSI $165
Teva Pharmaceuticals USA, Inc.	$354 NUVIGIL $354
Merck Sharp & Dohme Corporation	$213 BELSOMRA $198	$15
Harmony Biosciences LLC	$157 Wakix $157
Other	$265 SPIRIVA RESPIMAT $93	Hetlioz $39	Silenor $28	Sleep and Respiratory Care $27	Aptensio XR $23	Other $55

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$418,266
Food and Beverage	$1,298
Education	$100

Biography

Dr. Muhammad Najjar is a medical specialist in neurology (brain & spinal cord disease) and sleep medicine. Dr. Najjar's areas of expertise include sleep apnea. He is affiliated with the University of Illinois Hospital and Health Sciences System and U.S. Department of Veterans Affairs. After completing medical school at the University of Aleppo Faculty of Medicine, he performed his residency at a hospital affiliated with Louisiana State University. He speaks Arabic.