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Dr. Gary W. Stewart, MD

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Specializes in: General Surgery

1640 E Sumner Street
Hartford, WI 53027

(262) 670-4000

Dr. Gary W. Stewart, MD is a general surgeon in Hartford, WI specializing in general surgery.

Office Locations

1640 E Sumner Street
Hartford, WI 53027

(262) 670-4000

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N84w16889 Menomonee Avenue
Menomonee Falls, WI 53051

(262) 251-7500

(262) 251-7128

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In The News

“Most people are so afraid to go to the foot doctor because they heard about someone in the family who had horrible foot surgery and it didn't go well," said Dr. Gary Stewart.”—"Relieving Foot Pain Without Surgery", Fox News, December 2016

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gary W. Stewart, MD treated as a general surgeon in Hartford, WI during 2012 were hospital care, inpatient care, vascular procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

blood draw	35
diagnostic procedures	75
doctor visit	252
gastrointestinal procedures	91
hospital care	349
inpatient care	349
lab tests	41
minimally invasive procedures	91
preventive care	16
removal of lesion (e.g. growth)	75
ultrasound (sonogram)	275
vascular procedures	296

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gary W. Stewart, MD treated as a general surgeon in Hartford, WI during 2013 were vascular procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

blood draw	48
diagnostic procedures	70
doctor visit	272
endarterectomy	16
gastrointestinal procedures	111
hospital care	207
inpatient care	207
lab tests	61
minimally invasive procedures	94
neck surgery	16
preventive care	24
removal of lesion (e.g. growth)	70
ultrasound (sonogram)	294
vascular procedures	325

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Male	280
Female	265

**Ethnicity**
Non-Hispanic White	521
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	213
From 75 to 84	213
85 and over	73
Less than 65	46

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2013

Hypertension	68
High Cholesterol	65
Stroke	11
Ischemic Heart Disease	46
Depression	15
Chronic Kidney Disease	24
Asthma	10
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	33
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gary W. Stewart, MD treated as a general surgeon in Hartford, WI during 2014 were hospital care, inpatient care, vascular procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

blood draw	36
diagnostic procedures	70
doctor visit	236
endarterectomy	17
gastrointestinal procedures	70
hospital care	300
inpatient care	300
lab tests	30
minimally invasive procedures	70
neck surgery	17
removal of lesion (e.g. growth)	70
ultrasound (sonogram)	208
vascular procedures	225

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Male	212
Female	235

**Ethnicity**
Non-Hispanic White	429
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	174
85 and over	69
Less than 65	40

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2014

Hypertension	72
High Cholesterol	63
Stroke	8
Ischemic Heart Disease	44
Depression	17
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	17
Diabetes	31
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gary W. Stewart, MD treated as a general surgeon in Hartford, WI during 2015 were vascular procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

blood draw	48
diagnostic procedures	17
doctor visit	234
endarterectomy	17
gastrointestinal procedures	17
hospital care	116
inpatient care	116
lab tests	69
minimally invasive procedures	17
neck surgery	17
removal of lesion (e.g. growth)	17
ultrasound (sonogram)	199
vascular procedures	216

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Male	392
Female	374

**Ethnicity**
Non-Hispanic White	718
Black	24
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	268
85 and over	126
Less than 65	74

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2015

Hypertension	70
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	43
Depression	19
Chronic Kidney Disease	35
Asthma	14
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gary W. Stewart, MD treated as a general surgeon in Hartford, WI during 2016 were ultrasound (sonogram), vascular procedures, lab tests and minimally invasive procedures.

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

blood draw	55
diagnostic procedures	41
doctor visit	254
gastrointestinal procedures	56
hospital care	53
inpatient care	53
lab tests	72
minimally invasive procedures	56
preventive care	15
removal of lesion (e.g. growth)	41
ultrasound (sonogram)	183
vascular procedures	183

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Male	216
Female	188

**Ethnicity**
Non-Hispanic White	375
Black	15
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	136
85 and over	57
Less than 65	38

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2016

Hypertension	72
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	42
Depression	18
Chronic Kidney Disease	29
Asthma	15
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gary W. Stewart, MD treated as a general surgeon in Hartford, WI during 2017 were ultrasound (sonogram), vascular procedures, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

diagnostic procedures	37
doctor visit	203
gastrointestinal procedures	55
hospital care	48
inpatient care	48
minimally invasive procedures	55
preventive care	18
removal of lesion (e.g. growth)	37
ultrasound (sonogram)	93
vascular procedures	93

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Male	166
Female	163

**Ethnicity**
Non-Hispanic White	308
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	42
Less than 65	26

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2017

Hypertension	73
High Cholesterol	57
Stroke	7
Ischemic Heart Disease	46
Depression	16
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	8
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gary W. Stewart, MD treated as a general surgeon in Hartford, WI during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

diagnostic procedures	72
doctor visit	202
gastrointestinal procedures	84
hospital care	46
inpatient care	46
minimally invasive procedures	84
preventive care	12
removal of lesion (e.g. growth)	72

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Male	140
Female	112

**Ethnicity**
Non-Hispanic White	235
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	82
85 and over	17
Less than 65	30

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2018

Hypertension	69
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	42
Depression	19
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gary W. Stewart, MD treated as a general surgeon in Hartford, WI during 2019 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

diagnostic procedures	24
doctor visit	127
gastrointestinal procedures	24
minimally invasive procedures	24
removal of lesion (e.g. growth)	24

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Male	94
Female	73

**Age**
From 65 to 74	88
From 75 to 84	52
85 and over	12
Less than 65	15

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2019

Hypertension	74
High Cholesterol	71
Stroke	7
Ischemic Heart Disease	48
Depression	27
Chronic Kidney Disease	46
Asthma	0
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	43
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

doctor visit	33

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Male	63
Female	40

**Age**
From 65 to 74	52
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2020

Hypertension	75
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	38
Depression	19
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	13
Diabetes	41
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Age**
From 65 to 74	12
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	70
Asthma	0
Osteoperosis	0
Atrial Fibrilation	48
Heart Failure	63
Chronic Obstructive Pulmonary Disease	0
Diabetes	41
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Male	15
Female	21

**Age**
From 65 to 74	0
From 75 to 84	14
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2022

Hypertension	75
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	44
Depression	33
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	39
Heart Failure	42
Chronic Obstructive Pulmonary Disease	44
Diabetes	33
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Gary W. Stewart, MD treated as a general surgeon in Hartford, WI during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

hospital care	12
inpatient care	12

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Male	17
Female	12

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	48
Depression	0
Chronic Kidney Disease	59
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	55
Chronic Obstructive Pulmonary Disease	0
Diabetes	45
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

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

Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Gary W. Stewart, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gary W. Stewart, MD treated as a general surgeon in Hartford, WI were vascular procedures, ultrasound (sonogram), inpatient care and hospital care.

blood draw	44
diagnostic procedures	50
doctor visit	201
endarterectomy	16
gastrointestinal procedures	63
hospital care	141
inpatient care	141
lab tests	54
minimally invasive procedures	61
neck surgery	16
preventive care	17
removal of lesion (e.g. growth)	50
ultrasound (sonogram)	208
vascular procedures	223

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Gary W. Stewart, MD.

**Gender**
Female	114
Male	122

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	0
Non-Hispanic White	200
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	82
85 and over	30
Less than 65	20
65 to 74	98

Average of Total of Conditions of Medicare patients treated by Dr. Gary W. Stewart, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Gary W. Stewart, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	67
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	39
Depression	14
Chronic Kidney Disease	34
Asthma	5
Osteoporosis	4
Heart Failure	25
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Atrial Fibrillation	16
Dementia	5
Cancer	9