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Home > WI Providers > Thoracic (Chest) Surgeons

Dr. Stephen K. Kwan, MD

(5 Ratings)

Specializes in: Thoracic Surgery

1758 Park Place Suite 202
Montgomery, AL 36106

(334) 264-7156

Dr. Stephen K. Kwan, MD is a thoracic surgeon in Marshfield, WI specializing in thoracic surgery.

Office Locations

1000 N Oak Avenue
Marshfield, WI 54449

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1758 Park Place Suite 202
Montgomery, AL 36106

(334) 264-7156

(334) 264-7681

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Noteworthy Medicare Patient Procedures Performed by Dr. Stephen K. Kwan, MD in 2023

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

Top 5%

By Volume:

complex wound repair

wound repair

In 2023, Dr. Stephen K. Kwan, MD performed more complex wound repair, and wound repair (e.g. stitches) procedures for Medicare patients than 95% of providers in related specialties within Wisconsin.

Top 10%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. Stephen K. Kwan, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Wisconsin. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

heart bypass surgery

In 2012, Dr. Stephen K. Kwan, MD performed more heart bypass surgery (CABG) procedures for Medicare patients than 75% of providers in related specialties within Wisconsin.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2012 were hospital care, cardiac procedures, thoracic (chest) surgery procedures and open surgery.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

bypass surgery	82
cardiac procedures	239
doctor visit	122
hospital care	263
implant surgery	15
inpatient care	80
minimally invasive procedures	28
open surgery	187
pleural drainage	13
thoracic (chest) surgery procedures	187
thoracostomy	36

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2013 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and hospital care.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

ablation	12
bypass surgery	78
cardiac procedures	220
catheterization	14
doctor visit	103
hospital care	167
inpatient care	20
open surgery	188
thoracic (chest) surgery procedures	188
thoracostomy	20

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Male	153
Female	124

**Ethnicity**
Non-Hispanic White	183
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	98
85 and over	21
Less than 65	48

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2013

Hypertension	75
High Cholesterol	71
Stroke	12
Ischemic Heart Disease	75
Depression	21
Chronic Kidney Disease	47
Asthma	9
Osteoperosis	22
Atrial Fibrilation	20
Heart Failure	53
Chronic Obstructive Pulmonary Disease	33
Diabetes	49
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2014 were cardiac procedures, hospital care, thoracic (chest) surgery procedures and open surgery.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

ablation	20
bypass surgery	97
cardiac procedures	284
catheterization	24
doctor visit	83
hospital care	242
inpatient care	49
minimally invasive procedures	15
open surgery	235
pleural drainage	15
thoracic (chest) surgery procedures	235
thoracostomy	36

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Male	172
Female	124

**Ethnicity**
Non-Hispanic White	201
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	106
85 and over	27
Less than 65	49

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	13
Ischemic Heart Disease	75
Depression	27
Chronic Kidney Disease	51
Asthma	13
Osteoperosis	22
Atrial Fibrilation	24
Heart Failure	56
Chronic Obstructive Pulmonary Disease	42
Diabetes	49
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2015 were cardiac procedures, hospital care, thoracic (chest) surgery procedures and open surgery.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

ablation	11
bypass surgery	89
cardiac procedures	290
doctor visit	88
hospital care	220
implant surgery	15
inpatient care	52
minimally invasive procedures	37
open surgery	202
pleural drainage	22
thoracic (chest) surgery procedures	202
thoracostomy	35

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Male	320
Female	276

**Ethnicity**
Non-Hispanic White	396
Black	176
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	236
From 75 to 84	204
85 and over	76
Less than 65	80

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	75
Depression	24
Chronic Kidney Disease	51
Asthma	21
Osteoperosis	19
Atrial Fibrilation	26
Heart Failure	56
Chronic Obstructive Pulmonary Disease	45
Diabetes	53
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2016 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and hospital care.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

ablation	13
bypass surgery	106
cardiac procedures	259
catheterization	17
doctor visit	88
hospital care	204
inpatient care	46
minimally invasive procedures	20
open surgery	241
pleural drainage	20
thoracic (chest) surgery procedures	241
thoracostomy	36
tracheal (windpipe) procedures	11

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Male	167
Female	108

**Ethnicity**
Non-Hispanic White	191
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	98
85 and over	22
Less than 65	45

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	75
Depression	23
Chronic Kidney Disease	52
Asthma	41
Osteoperosis	16
Atrial Fibrilation	21
Heart Failure	57
Chronic Obstructive Pulmonary Disease	41
Diabetes	49
Dementia	15
Cancer	20

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2017 were hospital care, cardiac procedures, thoracic (chest) surgery procedures and open surgery.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

bypass surgery	61
cardiac procedures	147
catheterization	18
doctor visit	75
hospital care	159
implant surgery	25
implantable cardioverter-defibrillator (ICD) replacement	12
inpatient care	88
minimally invasive procedures	36
open surgery	143
pleural drainage	11
thoracic (chest) surgery procedures	143
thoracostomy	32

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Male	154
Female	96

**Ethnicity**
Non-Hispanic White	157
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	91
85 and over	25
Less than 65	41

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2017

Hypertension	75
High Cholesterol	73
Stroke	12
Ischemic Heart Disease	75
Depression	25
Chronic Kidney Disease	64
Asthma	8
Osteoperosis	13
Atrial Fibrilation	24
Heart Failure	61
Chronic Obstructive Pulmonary Disease	46
Diabetes	54
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2018 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and hospital care.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

ablation	14
bypass surgery	84
cardiac procedures	182
catheterization	12
doctor visit	72
hospital care	144
inpatient care	144
open surgery	182
plastic surgery procedures	22
reconstructive surgery	22
thoracic (chest) surgery procedures	182
wound repair (e.g. stitches)	22

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Male	142
Female	78

**Ethnicity**
Non-Hispanic White	137
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	74
85 and over	12
Less than 65	35

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	56
Asthma	6
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	60
Chronic Obstructive Pulmonary Disease	50
Diabetes	56
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2019 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and hospital care.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

bypass surgery	86
cardiac procedures	172
doctor visit	65
hospital care	114
inpatient care	114
open surgery	172
plastic surgery procedures	14
reconstructive surgery	14
thoracic (chest) surgery procedures	172
wound repair (e.g. stitches)	14

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Male	147
Female	62

**Ethnicity**
Non-Hispanic White	153
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	75
85 and over	24
Less than 65	24

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	75
Depression	23
Chronic Kidney Disease	61
Asthma	0
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	53
Chronic Obstructive Pulmonary Disease	38
Diabetes	59
Dementia	20
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2020 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and hospital care.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

bypass surgery	44
cardiac procedures	88
doctor visit	38
hospital care	73
inpatient care	73
minimally invasive procedures	14
open surgery	88
plastic surgery procedures	18
pleural drainage	14
reconstructive surgery	18
thoracic (chest) surgery procedures	88
thoracostomy	14
wound repair (e.g. stitches)	18

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Male	86
Female	53

**Ethnicity**
Non-Hispanic White	88
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	37
85 and over	17
Less than 65	26

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	75
Depression	26
Chronic Kidney Disease	67
Asthma	0
Osteoperosis	0
Atrial Fibrilation	22
Heart Failure	66
Chronic Obstructive Pulmonary Disease	43
Diabetes	55
Dementia	18
Cancer	22

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2021 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

ablation	11
bypass surgery	47
cardiac procedures	105
doctor visit	40
hospital care	40
inpatient care	40
open surgery	105
plastic surgery procedures	17
reconstructive surgery	17
thoracic (chest) surgery procedures	105
wound repair (e.g. stitches)	17

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Male	70
Female	28

**Ethnicity**
Non-Hispanic White	69
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	47
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	17
Chronic Kidney Disease	62
Asthma	0
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	58
Chronic Obstructive Pulmonary Disease	38
Diabetes	48
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI during 2022 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and hospital care.

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

bypass surgery	34
cardiac procedures	68
doctor visit	28
hospital care	44
inpatient care	44
open surgery	68
plastic surgery procedures	13
reconstructive surgery	13
thoracic (chest) surgery procedures	68
wound repair (e.g. stitches)	13

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Male	59
Female	34

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

**Age**
From 65 to 74	35
From 75 to 84	32
85 and over	14
Less than 65	12

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	75
Depression	20
Chronic Kidney Disease	47
Asthma	12
Osteoperosis	13
Atrial Fibrilation	44
Heart Failure	53
Chronic Obstructive Pulmonary Disease	38
Diabetes	51
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Stephen K. Kwan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Stephen K. Kwan, MD treated as a thoracic surgeon in Marshfield, WI were cardiac procedures, thoracic (chest) surgery procedures, open surgery and hospital care.

ablation	13
bypass surgery	73
cardiac procedures	186
catheterization	17
doctor visit	72
hospital care	151
implant surgery	18
implantable cardioverter-defibrillator (ICD) replacement	12
inpatient care	68
minimally invasive procedures	25
open surgery	164
plastic surgery procedures	16
pleural drainage	15
reconstructive surgery	16
thoracic (chest) surgery procedures	164
thoracostomy	29
tracheal (windpipe) procedures	11
wound repair (e.g. stitches)	16

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Stephen K. Kwan, MD.

**Gender**
Female	89
Male	133

**Ethnicity**
Black / African American	16
Asian / Pacific Islander	0
Non-Hispanic White	148
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	21
75 to 84	76
Less than 65	32
65 to 74	89

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

The highest averages of the most common conditions of Medicare patients that Dr. Stephen K. Kwan, MD treated were hypertension, ischemic heart disease, high cholesterol and heart failure.

Hypertension	68
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	68
Depression	20
Chronic Kidney Disease	50
Asthma	10
Osteoporosis	12
Heart Failure	52
Chronic Obstructive Pulmonary Disease	37
Diabetes	47
Atrial Fibrillation	22
Dementia	13
Cancer	14

Education & Training

He has a state license in Wisconsin.

Licensed In: Wisconsin

Ratings & Reviews

Dr. Stephen K. Kwan, MD has a good overall rating with an average of 2.6 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Stephen K. Kwan, MD from all over the web to help you find the right in Marshfield, WI.

2.6

Overall Rating

(5 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
St. Jude Medical, Inc.	$1,378 Structural Heart $1,003	Epic Stented Tissue Valve $348	Microny ll SR plus Pacemaker $16	Vascular $11
Abbott Laboratories	$1,079 Aortic and Mitral Tissue Stented $440	Trifecta Tissue Heart Valve $292	Aortic and Mitral Mechanical Valves $185	Trifecta GT Tissue Heart Valve $132	Aortic and Mitral Tissue Stented Valves $31
Sorin Group USA Inc.	$856 Cannulae $416	All Sorin HV $110	All Sorin Products $102	EVH $92	Mechanical Heart Valves $77	Other $60
AtriCure, Inc.	$611 Cardiovascular $350	ATRICURE SYNERGY ABLATION SYSTEM $179	AtriCure AtriClip LAA Exclusion $82
Medtronic, Inc.	$466 Avalus $168	Mosaic $162	Simulus $89	Penditure $27	NA $20
Other	$899 Edwards SAPIEN 3 Ultra Transcatheter Heart Valve $204	Santyl $156	Perceval $148	Perceval S $106	TANDEMHEART $73	Other $212

**Types of Payments**
Food and Beverage	$5,288

Biography

Dr. Stephen Kwan specializes in cardiac surgery, general surgery, and thoracic surgery. Dr. Kwan is affiliated with Marshfield Clinic Health System. He is a graduate of New York University (NYU) School of Medicine. He is rated 4.5 stars (out of 5) by his patients.

Select Year:

Dr. Stephen K. Kwan, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Stephen K. Kwan, MD in 2023

By Volume:

By Affordability:

By Volume:

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. Stephen K. Kwan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen K. Kwan, 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. Stephen K. Kwan, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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