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Home > WI Providers

Dr. Kenneth B. Bortin, MD

Accepting New Patients

(14 Ratings)

Specializes in: Adult Cardiology

MCP Hahnemann School of Medicine (1979)

N2950 STATE RD. 67
LAKE GENEVA, WI 53147

(262) 245-0535

Dr. Kenneth B. Bortin, MD is a cardiologist in LAKE GENEVA, WI specializing in adult cardiology. He graduated from MCP Hahnemann School of Medicine in 1979 and has 47 years of experience. Dr. Kenneth B. Bortin, MD is affiliated with MERCY HEALTH SYSTEM CORPORATION.

Office Locations

N2950 STATE RD. 67
LAKE GENEVA, WI 53147

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Noteworthy Medicare Patient Procedures Performed by Dr. Kenneth B. Bortin, MD in 2023

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

Top 25%

By Affordability:

cardiac imaging

In 2012, Dr. Kenneth B. Bortin, MD had a list price for cardiac imaging 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. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2012 were cardiac procedures, lab tests, stress testing and ultrasound (sonogram).

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

blood draw	269
cardiac procedures	1617
catheterization	223
diagnostic procedures	158
doctor visit	2429
hospital care	685
inpatient care	653
lab tests	1035
minimally invasive procedures	223
nuclear scan	338
outpatient care	32
stent placement (stenting)	65
stress testing	747
tilt table test	18
ultrasound (sonogram)	685
vascular procedures	146

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2013 were cardiac procedures, lab tests, ultrasound (sonogram) and stress testing.

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

angioplasty	96
blood draw	192
cardiac procedures	1392
catheterization	288
diagnostic procedures	144
doctor visit	3344
hospital care	544
inpatient care	544
lab tests	1246
minimally invasive procedures	288
nuclear scan	240
stent placement (stenting)	96
stress testing	553
ultrasound (sonogram)	642
vascular procedures	144

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	657
Female	667

**Ethnicity**
Non-Hispanic White	1278
Black	12
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	455
From 75 to 84	478
85 and over	280
Less than 65	111

Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD in 2013

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	75
Depression	21
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	6
Atrial Fibrilation	29
Heart Failure	29
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2014 were lab tests, cardiac procedures, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

blood draw	24
cardiac procedures	140
doctor visit	449
hospital care	66
inpatient care	66
lab tests	167
nuclear scan	23
stress testing	60
ultrasound (sonogram)	95

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	229
Female	223

**Ethnicity**
Non-Hispanic White	426
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	147
85 and over	107
Less than 65	46

Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	74
Depression	21
Chronic Kidney Disease	35
Asthma	8
Osteoperosis	9
Atrial Fibrilation	37
Heart Failure	35
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2015 were lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

diabetes management	34
lab tests	102
preventive care	102

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	58
Female	48

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	70
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	48

Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD in 2015

Hypertension	75
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	23
Depression	36
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2016 were lab tests, preventive care, ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

cardiac procedures	32
diabetes management	25
hospital care	13
inpatient care	13
lab tests	88
preventive care	88
ultrasound (sonogram)	32

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	76
Female	65

**Ethnicity**
Non-Hispanic White	93
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	36
85 and over	21
Less than 65	29

Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD in 2016

Hypertension	75
High Cholesterol	56
Stroke	11
Ischemic Heart Disease	37
Depression	30
Chronic Kidney Disease	50
Asthma	29
Osteoperosis	13
Atrial Fibrilation	20
Heart Failure	33
Chronic Obstructive Pulmonary Disease	26
Diabetes	52
Dementia	15
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2017 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

cardiac procedures	123
hospital care	131
inpatient care	131
nuclear scan	11
stress testing	25
ultrasound (sonogram)	98

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	150
Female	147

**Age**
From 65 to 74	81
From 75 to 84	100
85 and over	75
Less than 65	41

Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD in 2017

Hypertension	75
High Cholesterol	61
Stroke	12
Ischemic Heart Disease	45
Depression	37
Chronic Kidney Disease	51
Asthma	12
Osteoperosis	9
Atrial Fibrilation	28
Heart Failure	39
Chronic Obstructive Pulmonary Disease	31
Diabetes	39
Dementia	24
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2018 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

cardiac procedures	125
hospital care	152
inpatient care	152
nuclear scan	20
stress testing	45
ultrasound (sonogram)	80

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	184
Female	141

**Ethnicity**
Non-Hispanic White	306
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	111
85 and over	58
Less than 65	42

Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	12
Ischemic Heart Disease	53
Depression	29
Chronic Kidney Disease	46
Asthma	7
Osteoperosis	8
Atrial Fibrilation	28
Heart Failure	41
Chronic Obstructive Pulmonary Disease	29
Diabetes	36
Dementia	23
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2019 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

cardiac procedures	127
hospital care	130
inpatient care	130
nuclear scan	20
stress testing	45
ultrasound (sonogram)	82

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	167
Female	203

**Ethnicity**
Non-Hispanic White	356
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	134
85 and over	69
Less than 65	38

Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD in 2019

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	48
Depression	31
Chronic Kidney Disease	50
Asthma	10
Osteoperosis	14
Atrial Fibrilation	30
Heart Failure	44
Chronic Obstructive Pulmonary Disease	33
Diabetes	35
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2020 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

cardiac procedures	143
doctor visit	11
hospital care	89
inpatient care	89
nuclear scan	18
stress testing	37
ultrasound (sonogram)	106

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	164
Female	208

**Ethnicity**
Non-Hispanic White	352
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	112
85 and over	82
Less than 65	47

Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD in 2020

Hypertension	75
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	49
Depression	36
Chronic Kidney Disease	51
Asthma	12
Osteoperosis	17
Atrial Fibrilation	24
Heart Failure	45
Chronic Obstructive Pulmonary Disease	26
Diabetes	33
Dementia	23
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2021 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

cardiac procedures	246
emergency care	15
hospital care	90
inpatient care	90
nuclear scan	17
stress testing	35
ultrasound (sonogram)	211

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	340
Female	457

**Ethnicity**
Non-Hispanic White	746
Black	11
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	251
85 and over	152
Less than 65	99

Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD in 2021

Hypertension	75
High Cholesterol	68
Stroke	12
Ischemic Heart Disease	52
Depression	37
Chronic Kidney Disease	56
Asthma	10
Osteoperosis	13
Atrial Fibrilation	27
Heart Failure	43
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

cardiac procedures	282
hospital care	70
inpatient care	70
nuclear scan	23
stress testing	47
ultrasound (sonogram)	235

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	389
Female	494

**Ethnicity**
Non-Hispanic White	837
Black	0
Hispanic	18
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	297
85 and over	172
Less than 65	113

Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	40
Depression	34
Chronic Kidney Disease	40
Asthma	14
Osteoperosis	17
Atrial Fibrilation	36
Heart Failure	40
Chronic Obstructive Pulmonary Disease	29
Diabetes	36
Dementia	14
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Kenneth B. Bortin, MD for Medicare patients.

The highest averages for the top procedures that Dr. Kenneth B. Bortin, MD treated as a cardiologist in LAKE GENEVA, WI were lab tests, cardiac procedures, minimally invasive procedures and catheterization.

angioplasty	96
blood draw	161
cardiac procedures	422
catheterization	255
diabetes management	29
diagnostic procedures	151
doctor visit	1558
emergency care	15
hospital care	197
inpatient care	193
lab tests	527
minimally invasive procedures	255
nuclear scan	78
outpatient care	32
preventive care	95
stent placement (stenting)	80
stress testing	177
ultrasound (sonogram)	226
vascular procedures	145

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Kenneth B. Bortin, MD.

**Gender**
Male	219
Female	241

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	0
Non-Hispanic White	399
Native American / Alaskan Native	0
Hispanic	12
Other	1

**Age**
75 to 84	151
85 and over	92
Less than 65	55
65 to 74	155

Average of Total of Conditions of Medicare patients treated by Dr. Kenneth B. Bortin, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	61
Stroke	7
Ischemic Heart Disease	45
Depression	28
Chronic Kidney Disease	40
Asthma	10
Osteoporosis	9
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	37
Atrial Fibrillation	23
Dementia	15
Cancer	10

Education & Training

Dr. Kenneth B. Bortin, MD graduated from MCP Hahnemann School of Medicine in 1979. He completed residency at Case Western Reserve University Affiliated Hospitals. He is certified by the American Board of Internal Medicine and has a state license in Wisconsin.

Medical School: MCP Hahnemann School of Medicine (1979)

Residency: Case Western Reserve University Affiliated Hospitals

Board Certification: American Board of Internal Medicine

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. Kenneth B. Bortin, MD is associated with these hospitals and organizations:

MERCY HEALTH SYSTEM CORPORATION

Ratings & Reviews

Dr. Kenneth B. Bortin, MD has an exceptional overall rating with an average of 4.71 out of 5 stars based on 14 ratings. We collect ratings and reviews of Dr. Kenneth B. Bortin, MD from all over the web to help you find the right in LAKE GENEVA, WI.

4.71

Overall Rating

(14 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 1.0 2023-02-09

Rude, arrogant, unprofessional who verbally attacked me in the lobby!
Under no circumstances should this guy be a doctor!

Reviews From Around The Web

Overall Rating: 5.0 2024-08-02

Patient verified via Press Ganey

Dr Bortin assured me that I was on the right direction with my efforts and told me that he would be confident in my ability to have my next knee replacement

Overall Rating: 5.0 2024-03-07

Patient verified via Press Ganey

He was very professional and explained my health concerns with clear details that addressed them.

Overall Rating: 5.0 2025-08-26

Patient verified via Press Ganey

He was Very caring and extremely thorough in his discussion on my situation. His nurse was also.

Overall Rating: 5.0 2024-02-22

Patient verified via Press Ganey

He is an excellent doctor--Very knowledgeable. I feel like I am in good hands with this doctor.

Overall Rating: 5.0 2024-11-08

Patient verified via Press Ganey

Dr Bortin is great! Very compassionate, answers questions clearly and concisely

Overall Rating: 5.0 2024-05-05

Patient verified via Press Ganey

Dr Bortin is an excellent provider. Very pleased with him.

Overall Rating: 5.0 2025-08-10

Patient verified via Press Ganey

Dr Bortin is probably the best physician I have ever had.

Overall Rating: 5.0 2025-12-24

Patient verified via Press Ganey

Each visit is great! All staff caring and helpful!

Overall Rating: 5.0 2024-08-25

Patient verified via Press Ganey

Dr Bortin is so nice and concerned about my health

To see all 14 reviews for Dr. Kenneth B. Bortin, MD, view their full profile.

General Payments

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

**Payments by Company**
Celgene Corporation	$57 Otezla $57
E.R. Squibb & Sons, L.L.C.	$37 ELIQUIS $37
Aegerion Pharmaceuticals, Inc.	$14 JUXTAPID $14
Pfizer Inc.	$11 ELIQUIS $11

**Types of Payments**
Food and Beverage	$105
Education	$14

Biography

Dr. Kenneth Bortin's area of specialization is adult cardiology. Patient ratings for Dr. Bortin average 4.5 stars (out of 5). Dr. Bortin attended medical school at MCP Hahnemann School of Medicine. He trained at a hospital affiliated with Case Western Reserve University for his residency. Dr. Bortin has an open panel in LAKE GENEVA, WI according to Doctor.com.