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Home > WI Providers > Neurologists

Dr. Evan K. Sandok, MD

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Specializes in: Neurology (Brain & Spinal Cord Disease)

Mayo Medical School (1993)

1000 N Oak Avenue
Marshfield, WI 54449

(715) 387-5998

Dr. Evan K. Sandok, MD is a neurologist in Marshfield, WI specializing in neurology (brain & spinal cord disease). He graduated from Mayo Medical School in 1993 and has 33 years of experience. Dr. Evan K. Sandok, MD is affiliated with GUNDERSEN LUTHERAN MEDICAL CENTER INC.

Office Locations

1000 N Oak Avenue
Marshfield, WI 54449

(715) 387-5998

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724 Denton Street
La Crosse, WI 54601

(608) 782-7300

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2012 were evoked potential test and electroencephalography (EEG).

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

doctor visit	446
electroencephalography (EEG)	117
evoked potential test	125

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2013 were electroencephalography (EEG) and evoked potential test.

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

doctor visit	485
electroencephalography (EEG)	140
evoked potential test	114

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	280
Female	265

**Ethnicity**
Non-Hispanic White	530
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	113
85 and over	33
Less than 65	245

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2013

Hypertension	58
High Cholesterol	54
Stroke	12
Ischemic Heart Disease	30
Depression	32
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2014 were electroencephalography (EEG), evoked potential test, blood draw and lab tests.

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

blood draw	15
doctor visit	500
electroencephalography (EEG)	153
evoked potential test	77
lab tests	11

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	268
Female	272

**Ethnicity**
Non-Hispanic White	519
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	119
85 and over	38
Less than 65	249

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2014

Hypertension	58
High Cholesterol	50
Stroke	14
Ischemic Heart Disease	26
Depression	33
Chronic Kidney Disease	26
Asthma	5
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	12
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2015 were electroencephalography (EEG), evoked potential test, lab tests and blood draw.

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

blood draw	29
doctor visit	490
electroencephalography (EEG)	110
evoked potential test	84
lab tests	34

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	600
Female	486

**Ethnicity**
Non-Hispanic White	1036
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	208
85 and over	84
Less than 65	506

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2015

Hypertension	56
High Cholesterol	52
Stroke	15
Ischemic Heart Disease	25
Depression	31
Chronic Kidney Disease	28
Asthma	13
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	12
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2016 were evoked potential test, lab tests, electroencephalography (EEG) and blood draw.

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

blood draw	37
doctor visit	496
electroencephalography (EEG)	41
evoked potential test	92
lab tests	47

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	269
Female	261

**Ethnicity**
Non-Hispanic White	514
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	108
85 and over	27
Less than 65	242

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2016

Hypertension	52
High Cholesterol	50
Stroke	15
Ischemic Heart Disease	26
Depression	29
Chronic Kidney Disease	27
Asthma	18
Osteoperosis	12
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2017 were evoked potential test, lab tests, electroencephalography (EEG) and blood draw.

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

blood draw	51
doctor visit	562
electroencephalography (EEG)	85
evoked potential test	118
lab tests	87

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	311
Female	281

**Ethnicity**
Non-Hispanic White	568
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	140
85 and over	38
Less than 65	226

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2017

Hypertension	55
High Cholesterol	44
Stroke	11
Ischemic Heart Disease	26
Depression	30
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	17
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2018 were evoked potential test, lab tests, electroencephalography (EEG) and blood draw.

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

blood draw	45
doctor visit	675
electroencephalography (EEG)	58
evoked potential test	102
lab tests	79

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	356
Female	332

**Ethnicity**
Non-Hispanic White	656
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	176
85 and over	50
Less than 65	243

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2018

Hypertension	57
High Cholesterol	48
Stroke	12
Ischemic Heart Disease	27
Depression	32
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	20
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2019 were evoked potential test, electroencephalography (EEG), lab tests and blood draw.

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

blood draw	41
doctor visit	576
electroencephalography (EEG)	60
evoked potential test	171
lab tests	45

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	318
Female	0

**Ethnicity**
Non-Hispanic White	573
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	213
From 75 to 84	132
85 and over	53
Less than 65	213

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2019

Hypertension	53
High Cholesterol	46
Stroke	10
Ischemic Heart Disease	27
Depression	29
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2020 were evoked potential test, lab tests, blood draw and tilt table test.

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

blood draw	33
doctor visit	344
electroencephalography (EEG)	18
evoked potential test	156
lab tests	43
tilt table test	19

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	261
Female	224

**Ethnicity**
Non-Hispanic White	450
Black	0
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	107
85 and over	18
Less than 65	207

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2020

Hypertension	49
High Cholesterol	46
Stroke	8
Ischemic Heart Disease	24
Depression	28
Chronic Kidney Disease	31
Asthma	4
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	16
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2021 were evoked potential test, lab tests, blood draw and tilt table test.

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

blood draw	39
doctor visit	409
electroencephalography (EEG)	14
evoked potential test	130
lab tests	50
tilt table test	20

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	276
Female	247

**Ethnicity**
Non-Hispanic White	486
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	102
85 and over	23
Less than 65	260

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2021

Hypertension	42
High Cholesterol	42
Stroke	8
Ischemic Heart Disease	19
Depression	25
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	12
Atrial Fibrilation	7
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	13
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI during 2022 were lab tests, blood draw, electroencephalography (EEG) and evoked potential test.

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

blood draw	38
doctor visit	360
electroencephalography (EEG)	35
evoked potential test	17
lab tests	68
tilt table test	14

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	225
Female	198

**Ethnicity**
Non-Hispanic White	392
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	66
85 and over	23
Less than 65	231

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2022

Hypertension	49
High Cholesterol	53
Stroke	8
Ischemic Heart Disease	13
Depression	24
Chronic Kidney Disease	15
Asthma	8
Osteoperosis	15
Atrial Fibrilation	11
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Evan K. Sandok, MD for Medicare patients.

The highest averages for the top procedures that Dr. Evan K. Sandok, MD treated as a neurologist in Marshfield, WI were evoked potential test, electroencephalography (EEG), lab tests and blood draw.

blood draw	36
doctor visit	485
electroencephalography (EEG)	75
evoked potential test	107
lab tests	51

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Evan K. Sandok, MD.

**Gender**
Male	287
Female	233

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	520
Native American / Alaskan Native	0
Hispanic	0
Other	6

**Age**
75 to 84	115
85 and over	35
Less than 65	238
65 to 74	158

Average of Total of Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Evan K. Sandok, MD treated were hypertension, high cholesterol, depression and chronic kidney disease.

Hypertension	48
High Cholesterol	44
Stroke	10
Ischemic Heart Disease	22
Depression	26
Chronic Kidney Disease	25
Asthma	7
Osteoporosis	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Atrial Fibrillation	9
Dementia	12
Cancer	7

Education & Training

Dr. Evan K. Sandok, MD graduated from Mayo Medical School in 1993. He has a state license in Wisconsin.

Medical School: Mayo Medical School (1993)

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. Evan K. Sandok, MD is associated with these hospitals and organizations:

GUNDERSEN LUTHERAN MEDICAL CENTER INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Medtronic USA, Inc.	$1,532 ACTIVA $1,482	Deep Brain Neurostimulation $50
NeuroPace, Inc.	$132 RNS Neurostimulator Kit $132
Upsher-Smith Laboratories Inc.	$79 QUDEXY XR Topiramate Extended Release Capsules $79
Grifols USA, LLC	$58 Gamunex-C $58
Medtronic, Inc.	$45 PERCEPT PC BRAINSENSE $45
Other	$38 $38

**Types of Payments**
Food and Beverage	$979
Travel and Lodging	$905

Research Payments

Dr. Evan K. Sandok, MD has received 98 research payments totaling $651,021.

Biography

Dr. Evan Sandok is a specialist in neurology (brain & spinal cord disease). He works in La Crosse, WI and Marshfield, WI. He is a graduate of Mayo Medical School.

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Dr. Evan K. Sandok, MD

Office Locations

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Evan K. Sandok, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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