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Dr. Benjamin J. Nager, MD

Accepting New Patients

(Benjamin J. Nager, MD)

(95 Ratings)

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

Tulane University School of Medicine (1986)

360 E Station Drive Suite 300
Crystal Lake, IL 60014

(815) 455-1800

Dr. Benjamin J. Nager, MD is a physician provider in Crystal Lake, IL specializing in physician, psychiatry & neurology, sleep medicine and neurology (brain & spinal cord disease). He graduated from Tulane University School of Medicine in 1986 and has 40 years of experience. Dr. Benjamin J. Nager, MD is affiliated with Northwestern Medicine and Northwestern Medical Group.

Office Locations

360 E Station Drive Suite 300
Crystal Lake, IL 60014

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Noteworthy Medicare Patient Procedures Performed by Dr. Benjamin J. Nager, MD in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

nerve conduction studies

In 2024, Dr. Benjamin J. Nager, MD performed more nerve conduction studies (NCS) procedures for Medicare patients than 95% of providers in related specialties within Illinois.

Top 10%

By Volume:

sleep study with CPAP

In 2024, Dr. Benjamin J. Nager, MD performed more sleep study with CPAP procedures for Medicare patients than 90% of providers in related specialties within Illinois.

Top 25%

By Volume:

in-lab polysomnography

sleep study

In 2012, Dr. Benjamin J. Nager, MD performed more in-lab polysomnography (overnight sleep study), and sleep study procedures for Medicare patients than 75% of providers in related specialties within Illinois.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2012 were diagnostic procedures, hospital care, inpatient care and sleep study.

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	143
diagnostic procedures	1637
doctor visit	945
electroencephalography (EEG)	154
hospital care	425
injections	23
inpatient care	412
minimally invasive procedures	23
nerve block	15
outpatient care	13
sleep study	236

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2013 were sleep study, hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	158
diagnostic procedures	174
doctor visit	1046
electroencephalography (EEG)	204
hospital care	235
injections	33
inpatient care	235
minimally invasive procedures	33
nerve block	15
sleep study	275

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	497
Female	553

**Ethnicity**
Non-Hispanic White	994
Black	0
Hispanic	24
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	433
From 75 to 84	307
85 and over	105
Less than 65	205

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2013

Hypertension	68
High Cholesterol	54
Stroke	15
Ischemic Heart Disease	39
Depression	30
Chronic Kidney Disease	21
Asthma	8
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Dementia	18
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2014 were sleep study, diagnostic procedures, airway management and electroencephalography (EEG).

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	165
diagnostic procedures	253
doctor visit	1044
electroencephalography (EEG)	67
injections	22
minimally invasive procedures	22
sleep study	300

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	492
Female	553

**Ethnicity**
Non-Hispanic White	987
Black	0
Hispanic	32
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	483
From 75 to 84	291
85 and over	76
Less than 65	195

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2014

Hypertension	63
High Cholesterol	53
Stroke	9
Ischemic Heart Disease	33
Depression	26
Chronic Kidney Disease	19
Asthma	6
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	16
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2015 were sleep study, airway management, diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	204
diagnostic procedures	145
doctor visit	1048
electroencephalography (EEG)	46
sleep study	388

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	1066
Female	1086

**Ethnicity**
Non-Hispanic White	2014
Black	22
Hispanic	60
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	1050
From 75 to 84	580
85 and over	146
Less than 65	376

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2015

Hypertension	67
High Cholesterol	55
Stroke	11
Ischemic Heart Disease	34
Depression	27
Chronic Kidney Disease	22
Asthma	13
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	15
Diabetes	32
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2016 were sleep study, airway management, minimally invasive procedures and injections.

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	190
diagnostic procedures	48
doctor visit	1085
injections	88
minimally invasive procedures	88
sleep study	376

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	524
Female	502

**Ethnicity**
Non-Hispanic White	970
Black	0
Hispanic	26
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	482
From 75 to 84	282
85 and over	66
Less than 65	196

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2016

Hypertension	66
High Cholesterol	50
Stroke	8
Ischemic Heart Disease	33
Depression	25
Chronic Kidney Disease	27
Asthma	21
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2017 were sleep study, airway management, minimally invasive procedures and injections.

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	171
doctor visit	1101
electroencephalography (EEG)	17
injections	28
minimally invasive procedures	28
nerve block	23
sleep study	345

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	507
Female	523

**Ethnicity**
Non-Hispanic White	958
Black	0
Hispanic	24
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	471
From 75 to 84	302
85 and over	72
Less than 65	185

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2017

Hypertension	69
High Cholesterol	48
Stroke	10
Ischemic Heart Disease	36
Depression	29
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	15
Diabetes	32
Dementia	16
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2018 were sleep study, airway management, minimally invasive procedures and injections.

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	149
diagnostic procedures	28
doctor visit	1174
electroencephalography (EEG)	70
injections	91
minimally invasive procedures	91
nerve block	23
sleep study	308

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	531
Female	535

**Ethnicity**
Non-Hispanic White	1002
Black	0
Hispanic	21
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	519
From 75 to 84	301
85 and over	86
Less than 65	160

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2018

Hypertension	70
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	36
Depression	30
Chronic Kidney Disease	30
Asthma	8
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2019 were sleep study, diagnostic procedures, airway management and minimally invasive procedures.

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	164
diagnostic procedures	218
doctor visit	1268
electroencephalography (EEG)	67
injections	96
minimally invasive procedures	96
nerve block	16
sleep study	340

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	642
Female	638

**Ethnicity**
Non-Hispanic White	1182
Black	0
Hispanic	35
Asian	0
Other	38
Native American	0

**Age**
From 65 to 74	600
From 75 to 84	380
85 and over	96
Less than 65	204

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2019

Hypertension	73
High Cholesterol	63
Stroke	8
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	33
Asthma	7
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2020 were diagnostic procedures, sleep study, airway management and electroencephalography (EEG).

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	64
diagnostic procedures	214
doctor visit	1092
electroencephalography (EEG)	38
sleep study	123

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	586
Female	596

**Ethnicity**
Non-Hispanic White	1101
Black	0
Hispanic	27
Asian	0
Other	33
Native American	0

**Age**
From 65 to 74	553
From 75 to 84	378
85 and over	97
Less than 65	154

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2020

Hypertension	70
High Cholesterol	61
Stroke	7
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2021 were diagnostic procedures, sleep study, airway management and electroencephalography (EEG).

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	75
diagnostic procedures	260
doctor visit	1059
electroencephalography (EEG)	56
injections	44
minimally invasive procedures	44
sleep study	144

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	595
Female	619

**Ethnicity**
Non-Hispanic White	1124
Black	0
Hispanic	33
Asian	0
Other	30
Native American	0

**Age**
From 65 to 74	571
From 75 to 84	411
85 and over	107
Less than 65	125

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2021

Hypertension	72
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	36
Depression	25
Chronic Kidney Disease	33
Asthma	6
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	22
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	14
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2022 were sleep study, diagnostic procedures, airway management and electroencephalography (EEG).

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	75
diagnostic procedures	228
doctor visit	971
electroencephalography (EEG)	61
injections	32
minimally invasive procedures	32
sleep study	244

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	587
Female	603

**Ethnicity**
Non-Hispanic White	1108
Black	0
Hispanic	25
Asian	0
Other	40
Native American	0

**Age**
From 65 to 74	584
From 75 to 84	399
85 and over	93
Less than 65	114

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	31
Depression	27
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	13
Atrial Fibrilation	20
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2023 were diagnostic procedures, sleep study, airway management and electroencephalography (EEG).

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	85
diagnostic procedures	201
doctor visit	791
electroencephalography (EEG)	47
injections	39
minimally invasive procedures	39
sleep study	190

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	513
Female	541

**Ethnicity**
Non-Hispanic White	987
Black	0
Hispanic	25
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	469
From 75 to 84	378
85 and over	87
Less than 65	120

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	24
Asthma	11
Osteoperosis	14
Atrial Fibrilation	19
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL during 2024 were sleep study, diagnostic procedures, airway management and electroencephalography (EEG).

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

airway management	86
diagnostic procedures	213
doctor visit	699
electroencephalography (EEG)	43
sleep study	248

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	494
Female	573

**Ethnicity**
Non-Hispanic White	974
Black	0
Hispanic	34
Asian	0
Other	37
Native American	0

**Age**
From 65 to 74	496
From 75 to 84	390
85 and over	77
Less than 65	104

Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	15
Atrial Fibrilation	19
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Benjamin J. Nager, MD for Medicare patients.

The highest averages for the top procedures that Dr. Benjamin J. Nager, MD treated as a physician provider in Crystal Lake, IL were hospital care, inpatient care, diagnostic procedures and sleep study.

airway management	133
diagnostic procedures	301
doctor visit	1024
electroencephalography (EEG)	72
hospital care	330
injections	49
inpatient care	323
minimally invasive procedures	49
nerve block	18
outpatient care	13
sleep study	270

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Benjamin J. Nager, MD.

**Gender**
Male	541
Female	563

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	1
Non-Hispanic White	1030
Native American / Alaskan Native	0
Hispanic	28
Other	24

**Age**
75 to 84	338
85 and over	85
Less than 65	164
65 to 74	516

Average of Total of Conditions of Medicare patients treated by Dr. Benjamin J. Nager, MD From 2012 - 2024

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

Hypertension	64
High Cholesterol	56
Stroke	9
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	24
Asthma	9
Osteoporosis	8
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Atrial Fibrillation	14
Dementia	13
Cancer	9

Education & Training

Dr. Benjamin J. Nager, MD graduated from Tulane University School of Medicine in 1986. He completed residency at Case Western Reserve University/University Hospitals Cleveland Medical Center. He is certified by the American Board of Psychiatry and Neurology/Sleep Medicine - Sleep Medicine (Certified) and has a state license in Illinois.

Medical School: Tulane University School of Medicine (1986)

Residency: Case Western Reserve University/University Hospitals Cleveland Medical Center (1990)

Board Certification: American Board of Psychiatry and Neurology/Sleep Medicine - Sleep Medicine (Certified)

Licensed In: Illinois

Affiliations & Hospitals

Dr. Benjamin J. Nager, MD is associated with these hospitals and organizations:

Northwestern Medicine

Northwestern Medical Group

Ratings & Reviews

Dr. Benjamin J. Nager, MD has an exceptional overall rating with an average of 4.88 out of 5 stars based on 95 ratings. We collect ratings and reviews of Dr. Benjamin J. Nager, MD from all over the web to help you find the right in Crystal Lake, IL.

4.88

Overall Rating

(95 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Medtronic USA, Inc.	$978 Deep Brain Neurostimulation $920	ACTIVA $58
UCB, Inc.	$771 Vimpat $489	Neupro $188	Briviact $95
Teva Pharmaceuticals USA, Inc.	$723 NUVIGIL $472	Zecuity $176	COPAXONE $60	AUSTEDO $11	AMRIX $4
Boston Scientific Corporation	$575 GENERAL DBS $575
Lundbeck LLC	$572 NORTHERA $295	ONFI $258	SABRIL $19
Other	$6,625 AMPYRA $334	APOKYN $281	VNS Therapy $253	ACTHAR $251	AUBAGIO $243	Other $5,263

**Types of Payments**
Food and Beverage	$8,801
Travel and Lodging	$1,008
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$318
Education	$117

Biography

Dr. Benjamin Nager is a specialist in physician, neurology (brain & spinal cord disease), and sleep medicine. He is affiliated with Northwestern Medical Group (NMG). Dr. Nager graduated from Tulane University School of Medicine and then he performed his residency at a hospital affiliated with Case Western Reserve University. He has a 5.0 out of 5 star average patient rating. He welcomes new patients at his office inCrystal Lake, IL as reported by Yext.