In 2012, Dr. John M. Snider, MD performed more fully percutaneous (incisionless) transfemoral TAVR, heart valve procedures, minimally invasive aortic valve replacement, and minimally invasive procedures 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. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2012 were cardiac procedures, lab tests, thoracic (chest) surgery procedures and open surgery.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

blood draw	79
bypass surgery	39
cardiac procedures	106
doctor visit	180
endarterectomy	13
hospital care	13
inpatient care	13
lab tests	104
lobectomy	11
neck surgery	13
open surgery	89
thoracic (chest) imaging	46
thoracic (chest) surgery procedures	89
ultrasound (sonogram)	46
vascular procedures	13

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2013 were lab tests, blood draw, thoracic (chest) surgery procedures and open surgery.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

blood draw	78
bypass surgery	21
cardiac procedures	42
dissection	11
doctor visit	164
endarterectomy	15
excision	11
lab tests	114
lobectomy	12
lymph node procedures	11
neck surgery	15
open surgery	54
thoracic (chest) imaging	29
thoracic (chest) surgery procedures	65
ultrasound (sonogram)	29
vascular procedures	15

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	106
Female	85

**Age**
From 65 to 74	86
From 75 to 84	64
85 and over	22
Less than 65	19

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	61
Depression	21
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	32
Chronic Obstructive Pulmonary Disease	31
Diabetes	32
Dementia	7
Cancer	21

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2014 were lab tests, blood draw, endarterectomy and neck surgery.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

blood draw	23
doctor visit	74
endarterectomy	14
lab tests	28
neck surgery	14
vascular procedures	14

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	82
Female	58

**Age**
From 65 to 74	61
From 75 to 84	48
85 and over	11
Less than 65	20

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2014

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	62
Depression	23
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	9
Atrial Fibrilation	22
Heart Failure	29
Chronic Obstructive Pulmonary Disease	29
Diabetes	37
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2015 were endarterectomy, neck surgery and vascular procedures.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

doctor visit	182
endarterectomy	12
neck surgery	12
vascular procedures	12

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	210
Female	172

**Ethnicity**
Non-Hispanic White	358
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	134
85 and over	38
Less than 65	58

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2015

Hypertension	75
High Cholesterol	72
Stroke	13
Ischemic Heart Disease	53
Depression	31
Chronic Kidney Disease	49
Asthma	21
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	32
Chronic Obstructive Pulmonary Disease	33
Diabetes	44
Dementia	0
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2016 were endarterectomy, neck surgery, vascular procedures and lab tests.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

blood draw	12
doctor visit	261
endarterectomy	14
lab tests	12
neck surgery	14
vascular procedures	14

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	124
Female	120

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

**Age**
From 65 to 74	98
From 75 to 84	79
85 and over	15
Less than 65	52

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2016

Hypertension	75
High Cholesterol	71
Stroke	7
Ischemic Heart Disease	54
Depression	28
Chronic Kidney Disease	46
Asthma	30
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	33
Chronic Obstructive Pulmonary Disease	31
Diabetes	39
Dementia	5
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2017 were minimally invasive procedures, ablation, vascular procedures and hospital care.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

ablation	44
anastomosis	11
dialysis access procedures	11
doctor visit	223
hospital care	14
inpatient care	14
minimally invasive procedures	44
vascular procedures	33

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	106
Female	105

**Age**
From 65 to 74	87
From 75 to 84	59
85 and over	15
Less than 65	50

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2017

Hypertension	75
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	51
Depression	31
Chronic Kidney Disease	53
Asthma	11
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	37
Chronic Obstructive Pulmonary Disease	32
Diabetes	47
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2018 were vascular procedures, minimally invasive procedures, ablation and endarterectomy.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

ablation	32
blood draw	15
doctor visit	200
endarterectomy	17
minimally invasive procedures	32
neck surgery	17
vascular procedures	33

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	104
Female	92

**Ethnicity**
Non-Hispanic White	182
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	71
85 and over	16
Less than 65	38

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	52
Depression	29
Chronic Kidney Disease	52
Asthma	11
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	37
Chronic Obstructive Pulmonary Disease	30
Diabetes	39
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2019 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

bypass surgery	12
cardiac procedures	24
doctor visit	163
open surgery	24
thoracic (chest) surgery procedures	24

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	86
Female	92

**Ethnicity**
Non-Hispanic White	166
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	55
85 and over	15
Less than 65	38

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	60
Depression	33
Chronic Kidney Disease	52
Asthma	7
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	33
Chronic Obstructive Pulmonary Disease	27
Diabetes	43
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

doctor visit	54

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	50
Female	52

**Age**
From 65 to 74	33
From 75 to 84	39
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	59
Depression	28
Chronic Kidney Disease	55
Asthma	0
Osteoperosis	11
Atrial Fibrilation	28
Heart Failure	43
Chronic Obstructive Pulmonary Disease	26
Diabetes	36
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2021 were cardiac procedures, minimally invasive procedures and vascular procedures.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

cardiac procedures	52
doctor visit	92
minimally invasive procedures	26
vascular procedures	26

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	75
Female	61

**Age**
From 65 to 74	55
From 75 to 84	45
85 and over	21
Less than 65	15

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	63
Depression	25
Chronic Kidney Disease	56
Asthma	10
Osteoperosis	0
Atrial Fibrilation	19
Heart Failure	42
Chronic Obstructive Pulmonary Disease	25
Diabetes	48
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2022 were cardiac procedures, vascular procedures, minimally invasive procedures and endarterectomy.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

cardiac procedures	52
doctor visit	125
endarterectomy	12
minimally invasive procedures	26
neck surgery	12
vascular procedures	38

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	96
Female	54

**Ethnicity**
Non-Hispanic White	135
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	56
85 and over	21
Less than 65	17

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	58
Depression	21
Chronic Kidney Disease	44
Asthma	13
Osteoperosis	0
Atrial Fibrilation	39
Heart Failure	46
Chronic Obstructive Pulmonary Disease	25
Diabetes	40
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2023 were cardiac procedures, minimally invasive procedures and vascular procedures.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

cardiac procedures	70
doctor visit	106
minimally invasive procedures	35
vascular procedures	35

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	91
Female	57

**Age**
From 65 to 74	58
From 75 to 84	61
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	58
Depression	26
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	8
Atrial Fibrilation	35
Heart Failure	40
Chronic Obstructive Pulmonary Disease	28
Diabetes	43
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI during 2024 were cardiac procedures, minimally invasive procedures, vascular procedures and hospital care.

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

cardiac procedures	86
doctor visit	57
hospital care	11
inpatient care	11
minimally invasive procedures	43
vascular procedures	43

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	66
Female	59

**Age**
From 65 to 74	53
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	46
Depression	20
Chronic Kidney Disease	34
Asthma	0
Osteoperosis	0
Atrial Fibrilation	30
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	35
Dementia	0
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. John M. Snider, MD for Medicare patients.

The highest averages for the top procedures that Dr. John M. Snider, MD treated as a cardiothoracic surgeon in JANESVILLE, WI were lab tests, cardiac procedures, thoracic (chest) surgery procedures and open surgery.

ablation	38
anastomosis	11
blood draw	41
bypass surgery	24
cardiac procedures	61
dialysis access procedures	11
dissection	11
doctor visit	144
endarterectomy	13
excision	11
hospital care	12
inpatient care	12
lab tests	64
lobectomy	11
lymph node procedures	11
minimally invasive procedures	34
neck surgery	13
open surgery	55
thoracic (chest) imaging	37
thoracic (chest) surgery procedures	59
ultrasound (sonogram)	37
vascular procedures	25

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. John M. Snider, MD.

**Gender**
Male	92
Female	77

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	82
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	58
85 and over	13
Less than 65	23
65 to 74	67

Average of Total of Conditions of Medicare patients treated by Dr. John M. Snider, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	52
Depression	24
Chronic Kidney Disease	42
Asthma	10
Osteoporosis	6
Heart Failure	33
Chronic Obstructive Pulmonary Disease	26
Diabetes	37
Atrial Fibrillation	21
Cancer	13
Dementia	3

Education & Training

He is certified by the American Board of Thoracic Surgery and has a state license in Wisconsin.

Board Certification: American Board of Thoracic Surgery

Licensed In: Wisconsin

Ratings & Reviews

Dr. John M. Snider, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. John M. Snider, MD from all over the web to help you find the right in JANESVILLE, WI.

Overall Rating

(3 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-11-26

Patient verified via Press Ganey

Dr Snider is amazing! He asked if I was alone, no my husband is here. He immediately said let's get him in here. He was very empathetic, showed great concern and compassion in regards to my reason for the visit. He made me feel at ease. I left my visit feeling optimistic, happy even, that my care is in his hands. I cannot praise him enough.

Overall Rating: 5.0 2024-05-03

Patient verified via Press Ganey

Dr was great

General Payments

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

**Payments by Company**
Intuitive Surgical, Inc.	$8,311 Da Vinci Surgical System $8,311
Edwards Lifesciences Corporation	$2,449 EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) $1,635	SAPIEN 3 Ultra RESILIA $306	Edwards SAPIEN 3 Ultra Transcatheter Heart Valve $284	KONECT RESILIA $57	MITRIS RESILIA Mitral Valve $16	Other $151
Zimmer Biomet Holdings, Inc.	$702 Rib Fix Blu $648	SternaLock Blu $48	Traumaone $5
AngioDynamics, Inc.	$374 AngioVac $374
CorMatrix Cardiovascular Inc.	$370 ECM Patch $370
Other	$1,287 EXCLUDER AAA Endoprosthesis $263	SURGICAL $231	Structural Heart $149	EPIC $148	VenaSeal $143	Other $353

**Types of Payments**
Travel and Lodging	$9,487
Food and Beverage	$3,655
Consulting Fee	$350

Research Payments

Dr. John M. Snider, MD has received 11 research payments totaling $103,522.

Biography

My role is to not only offer the best care I can for each patient, but also to help the patient and their loved ones through a difficult time. I always make sure they have compassionate care and a safe experience.

Select Year:

Dr. John M. Snider, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John M. Snider, MD in 2024

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. John M. Snider, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John M. Snider, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. John M. Snider, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

Cardiothoracic Surgeons in Nearby Locations

Other Providers in JANESVILLE, WI