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Dr. Dai Yamanouchi, MD, PH D

Accepting New Patients

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Specializes in: Vascular Surgery

Professional interests include: carotid artery surgery, carotid stenosis, carotid artery disease, and more.

600 Highland Avenue
Madison, WI 53792

(608) 265-4420

Dr. Dai Yamanouchi, MD, PH D is a vascular surgeon in Madison, WI specializing in vascular surgery. Dr. Dai Yamanouchi, MD, PH D is affiliated with UnityPoint Health, UW Health and UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC.

Office Locations

UnityPoint Health

1 South Park Street Floor 5, 1 S Park Vascular Surgery Clinic
Madison, WI 53715

(608) 263-8915

open_in_new

451 Junction Road
Madison, WI 53717

open_in_new

600 Highland Avenue
Madison, WI 53792

(608) 265-4420

(608) 265-1148

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Some issues Dr. Dai Yamanouchi, MD, PH D can help you with:

Angioplasty

Angioplasty is a common, minimally invasive procedure performed to restore blood flow in arteries and veins that have become narrowed or blocked. Age or illness can cause plaque to build up at certain spots within the veins and arteries, and if enough collects, it can restrict the flow of blood. Angioplasty uses a tiny balloon at the end of a small, flexible tube to inflate within the narrowed section and open it up again.

Angioplasty may be performed in several different areas of the body and for a variety of reasons, most often:

Peripheral arterial disease, which reduces blood flow in the arms or legs
Atherosclerosis, or general hardening of the arteries
Carotid artery stenosis, or narrowing of the arteries in the neck that supply the brain
Coronary artery disease, or narrowing of the arteries near the heart
Renal vascular hypertension, or narrowing of the arteries in the kidney, leading to increased blood pressure

During angioplasty, a patient is given a sedative while lying on a table under an x-ray machine. A catheter (a thin, flexible, and hollow tube) is inserted into the patient's skin in the arm or groin and guided into the blocked artery. Dye is injected via the catheter, and x-rays are used to position the tip of the catheter exactly at the blockage. The tiny balloon is guided through the catheter and inflated with saline. It pushes the plaque out of the way, squishing it against the walls of the artery. The balloon may be inflated and deflated several times to let blood pass by. A stent, a tiny tube of metal mesh like a spring, may be inserted to help keep the artery open. Then the x-ray is used again to check that blood is flowing properly, the catheter is removed, and the tiny incision is bandaged.

There are no nerves within veins and arteries, so an angioplasty is generally not painful. However, there may be some discomfort at the site of the incision and when the balloon is inflated. Overall, angioplasty is a very effective and low-risk procedure, useful for helping patients avoid more difficult bypass surgery.

Peripheral Bypass Surgery

Peripheral bypass surgery is a procedure that reroutes blood flow around a blockage in the arteries of the arms or legs. Atherosclerosis, or plaque buildup, can affect these arteries in a condition called peripheral artery disease or PAD. A thick, waxy substance composed of cholesterol and minerals builds up within the blood vessels, and in severe cases it can clog arteries. Without enough blood getting to the muscles, patients can experience weakness and pain. Peripheral bypass surgery opens up a new pathway for blood to flow where it is needed. Sometimes peripheral bypass surgery is used when arteries are damaged, for instance, by a severe injury. While it can be performed in the arms, it is most commonly done in the calf, knee, thigh, or hip.

During surgery, the blockage is identified, and an incision is made to expose the artery. The surgeon prepares a tube, called a graft, to be used as the bypass. Sometimes this tube is synthetic, and sometimes a piece of the patient's own vein or artery is used. The ends of the bypass graft are attached to the artery above and below the blockage. Now blood can simply flow around and continue on its way.

After a peripheral bypass, patients may need to spend a couple of days in the hospital while doctors make sure the bypass is working and not leaking. If the bypass was done in the leg, doctors may check the pulse in the feet to make sure blood is flowing well. Patients may experience some swelling in the area where they had surgery. Raising an arm or leg will help. Patients will likely be back to normal activities within 2-3 weeks.

In The News

“Dr. Dai Yamanouchi, Associate Professor at the Univ. of Wisconsin School of Medicine says, "in my opinion, the VESTECK device is a game-changer in the endovascular repair of aortic aneurysms.”—"Cision PR Newswire", FOX 2, March 2023

“The newest member of the VESTECK Scientific Advisory Board, Dr. Dai Yamanouchi, gave two presentations at CX.”—"VESTECK, Inc. Delivers multiple presentations at Charring Cross International Symposium", Associated Press News, May 2022

“WEST CHESTER, Pa., May 6, 2022 /PRNewswire/ -- VESTECK, Inc. is pleased to announce the expansion of their Scientific Advisory Board with the addition of Dr. Dai Yamanouchi.”—"VESTECK, Inc. Expands Scientific Advisory Board", Associated Press News, May 2022

Noteworthy Medicare Patient Procedures Performed by Dr. Dai Yamanouchi, MD, PH D in 2023

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

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Dai Yamanouchi, MD, PH D 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 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2012 were hospital care, inpatient care and vascular procedures.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

doctor visit	162
hospital care	16
inpatient care	16
vascular procedures	13

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2013 were vascular procedures.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

doctor visit	176
vascular procedures	15

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	90
Female	95

**Ethnicity**
Non-Hispanic White	172
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	55
85 and over	26
Less than 65	40

Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D in 2013

Hypertension	75
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	55
Depression	29
Chronic Kidney Disease	50
Asthma	8
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	32
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2014 were angioplasty, minimally invasive procedures and vascular procedures.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

angioplasty	13
doctor visit	144
minimally invasive procedures	13
vascular procedures	13

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	92
Female	80

**Age**
From 65 to 74	74
From 75 to 84	57
85 and over	20
Less than 65	21

Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D in 2014

Hypertension	75
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	53
Depression	26
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	28
Chronic Obstructive Pulmonary Disease	20
Diabetes	40
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2015 were angioplasty, minimally invasive procedures and vascular procedures.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

angioplasty	16
doctor visit	219
minimally invasive procedures	16
vascular procedures	16

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	246
Female	238

**Ethnicity**
Non-Hispanic White	442
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	148
85 and over	54
Less than 65	86

Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D in 2015

Hypertension	72
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	50
Depression	32
Chronic Kidney Disease	37
Asthma	15
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2016 were minimally invasive procedures, vascular procedures, laser treatment and ablation.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

ablation	18
angioplasty	11
blood draw	11
doctor visit	252
lab tests	13
laser treatment	18
minimally invasive procedures	61
stent placement (stenting)	14
vascular procedures	43

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	141
Female	125

**Ethnicity**
Non-Hispanic White	243
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	83
85 and over	21
Less than 65	35

Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D in 2016

Hypertension	75
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	59
Depression	24
Chronic Kidney Disease	45
Asthma	31
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	27
Diabetes	40
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2017 were minimally invasive procedures, vascular procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

angioplasty	12
doctor visit	181
hospital care	14
inpatient care	14
minimally invasive procedures	24
stent placement (stenting)	12
vascular procedures	24

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	142
Female	101

**Ethnicity**
Non-Hispanic White	216
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	74
85 and over	24
Less than 65	39

Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D in 2017

Hypertension	75
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	56
Depression	26
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	33
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	10
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2018 were angioplasty, minimally invasive procedures, vascular procedures and lab tests.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

angioplasty	39
blood draw	13
doctor visit	219
lab tests	17
minimally invasive procedures	39
vascular procedures	39

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	134
Female	124

**Ethnicity**
Non-Hispanic White	231
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	77
85 and over	30
Less than 65	38

Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D in 2018

Hypertension	75
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	54
Depression	28
Chronic Kidney Disease	54
Asthma	10
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	34
Chronic Obstructive Pulmonary Disease	22
Diabetes	43
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2019 were hospital care, inpatient care, angioplasty and minimally invasive procedures.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

angioplasty	35
doctor visit	192
hospital care	92
inpatient care	92
minimally invasive procedures	35
vascular procedures	35

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	146
Female	133

**Ethnicity**
Non-Hispanic White	257
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	132
From 75 to 84	73
85 and over	33
Less than 65	41

Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D in 2019

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	62
Depression	32
Chronic Kidney Disease	53
Asthma	9
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	38
Chronic Obstructive Pulmonary Disease	24
Diabetes	42
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

doctor visit	82
hospital care	28
inpatient care	28

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	98
Female	92

**Ethnicity**
Non-Hispanic White	179
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	94
From 75 to 84	54
85 and over	16
Less than 65	26

Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D in 2020

Hypertension	71
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	58
Depression	22
Chronic Kidney Disease	46
Asthma	6
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	36
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Dementia	9
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2021 were hospital care, inpatient care, angioplasty and minimally invasive procedures.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

angioplasty	23
blood draw	15
doctor visit	140
hospital care	36
inpatient care	36
lab tests	17
minimally invasive procedures	23
vascular procedures	23

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	123
Female	112

**Ethnicity**
Non-Hispanic White	217
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	77
85 and over	20
Less than 65	30

Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D in 2021

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	60
Depression	28
Chronic Kidney Disease	60
Asthma	8
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	42
Dementia	10
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI during 2022 were hospital care, inpatient care, vascular procedures and lab tests.

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

doctor visit	162
hospital care	42
inpatient care	42
lab tests	12
vascular procedures	16

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	129
Female	104

**Ethnicity**
Non-Hispanic White	210
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	69
85 and over	25
Less than 65	41

Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D in 2022

Hypertension	75
High Cholesterol	74
Stroke	16
Ischemic Heart Disease	48
Depression	26
Chronic Kidney Disease	39
Asthma	13
Osteoperosis	14
Atrial Fibrilation	29
Heart Failure	39
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Dai Yamanouchi, MD, PH D for Medicare patients.

The highest averages for the top procedures that Dr. Dai Yamanouchi, MD, PH D treated as a vascular surgeon in Madison, WI were hospital care, inpatient care, minimally invasive procedures and vascular procedures.

ablation	18
angioplasty	21
blood draw	13
doctor visit	175
hospital care	38
inpatient care	38
lab tests	14
laser treatment	18
minimally invasive procedures	30
stent placement (stenting)	13
vascular procedures	23

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D.

**Gender**
Male	121
Female	109

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	0
Non-Hispanic White	197
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	69
85 and over	24
Less than 65	36
65 to 74	101

Average of Total of Conditions of Medicare patients treated by Dr. Dai Yamanouchi, MD, PH D From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Dai Yamanouchi, MD, PH D treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	67
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	50
Depression	24
Chronic Kidney Disease	43
Asthma	10
Osteoporosis	8
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Atrial Fibrillation	16
Dementia	8
Cancer	9

Education & Training

He completed residency at Saiseikai Maebashi Hospital, Japan. He has a state license in Wisconsin.

Residency: Saiseikai Maebashi Hospital, Japan

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. Dai Yamanouchi, MD, PH D is associated with these hospitals and organizations:

UnityPoint Health

UW Health

UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION INC

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General Payments

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

**Payments by Company**
W. L. Gore & Associates, Inc.	$20,211 EXCLUDER Conformable AAA Endoprosthesis with Active Control $13,905	GORE EXCLUDER AAA Endoprosthesis $5,018	TAG Thoracic Endoprosthesis $1,119	GORE TAG Thoracic Branch Endoprosthesis $168
Medtronic Vascular, Inc.	$15,000 Aortic Stent Grafts $15,000
Endologix, Inc.	$9,443 AFX $130	$9,313
Cardinal Health 200, LLC	$2,250 INCRAFT AAA Stent Graft System $2,250
Shape Memory Medical Inc.	$696 IMPEDE EMBOLIZATION PLUG $696
Other	$401 ENROUTE 0.014 Guidewire $202	BioMimics 3D Vascular Stent System $121	Vascular $66	RELAYPRO $12

**Types of Payments**
Travel and Lodging	$17,348
Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program	$15,000
Consulting Fee	$14,180
Food and Beverage	$1,473

Research Payments

Dr. Dai Yamanouchi, MD, PH D has received 35 research payments totaling $77,603.

Biography

Dr. Dai Yamanouchi practices vascular surgery. Clinical interests for Dr. Yamanouchi include thoracic outlet syndrome, spider veins, and carotid artery surgery. Dr. Yamanouchi's hospital/clinic affiliations include UnityPoint Health and UW Health. He welcomes new patients at his office inMadison, WI as reported by UnityPoint Health. Dr. Yamanouchi speaks Japanese.