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Home > WI Providers > Family Physicians & Family Medicine Specialists

Dr. John C. Lesniak, MD

(263 Ratings)

Specializes in: Family Medicine

Medical College of Wisconsin

1500 Walnut Ridge Drive
Hartland, WI 53029

(262) 513-7500

Dr. John C. Lesniak, MD is a family medicine practitioner in Hartland, WI specializing in family medicine. He graduated from Medical College of Wisconsin. Dr. John C. Lesniak, MD is affiliated with ProHealth Care and PROHEALTH MEDICAL GROUP INC.

Office Locations

ProHealth Care

1500 Walnut Ridge Drive
Hartland, WI 53029

(262) 513-7500

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2012 were blood draw, preventive care, vaccines and X-rays.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

blood draw	166
doctor visit	356
preventive care	48
thoracic (chest) imaging	12
vaccines	48
X-rays	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2013 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

blood draw	262
doctor visit	443
lab tests	14
preventive care	121
vaccines	110

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	174
Female	108

**Ethnicity**
Non-Hispanic White	270
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	72
85 and over	28
Less than 65	21

Conditions of Medicare patients treated by Dr. John C. Lesniak, MD in 2013

Hypertension	47
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	31
Depression	11
Chronic Kidney Disease	13
Asthma	5
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	21
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2014 were blood draw, preventive care, vaccines and anorectal procedures.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

anorectal procedures	27
blood draw	280
doctor visit	429
lab tests	12
preventive care	94
vaccines	67

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	183
Female	106

**Ethnicity**
Non-Hispanic White	277
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	85
85 and over	28
Less than 65	23

Conditions of Medicare patients treated by Dr. John C. Lesniak, MD in 2014

Hypertension	51
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	30
Depression	10
Chronic Kidney Disease	15
Asthma	4
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2015 were blood draw, preventive care, vaccines and anorectal procedures.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

anorectal procedures	13
blood draw	295
doctor visit	539
preventive care	227
vaccines	202

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	362
Female	216

**Ethnicity**
Non-Hispanic White	548
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	304
From 75 to 84	170
85 and over	56
Less than 65	48

Conditions of Medicare patients treated by Dr. John C. Lesniak, MD in 2015

Hypertension	51
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	31
Depression	13
Chronic Kidney Disease	18
Asthma	7
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	20
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2016 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

blood draw	270
doctor visit	519
lab tests	21
preventive care	123
vaccines	110

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	191
Female	110

**Ethnicity**
Non-Hispanic White	282
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	85
85 and over	21
Less than 65	20

Conditions of Medicare patients treated by Dr. John C. Lesniak, MD in 2016

Hypertension	55
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	28
Depression	13
Chronic Kidney Disease	20
Asthma	12
Osteoperosis	4
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2017 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

blood draw	259
doctor visit	521
lab tests	12
preventive care	101
vaccines	101

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	194
Female	105

**Ethnicity**
Non-Hispanic White	277
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	79
85 and over	26
Less than 65	17

Conditions of Medicare patients treated by Dr. John C. Lesniak, MD in 2017

Hypertension	58
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	31
Depression	12
Chronic Kidney Disease	25
Asthma	5
Osteoperosis	0
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	21
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2018 were preventive care, vaccines, blood draw and lab tests.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

blood draw	45
doctor visit	549
lab tests	18
preventive care	84
vaccines	66

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	198
Female	103

**Ethnicity**
Non-Hispanic White	284
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	186
From 75 to 84	76
85 and over	28
Less than 65	11

Conditions of Medicare patients treated by Dr. John C. Lesniak, MD in 2018

Hypertension	58
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	30
Depression	12
Chronic Kidney Disease	22
Asthma	6
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2019 were preventive care and vaccines.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

doctor visit	507
preventive care	81
vaccines	66

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	196
Female	104

**Ethnicity**
Non-Hispanic White	283
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	78
85 and over	37
Less than 65	14

Conditions of Medicare patients treated by Dr. John C. Lesniak, MD in 2019

Hypertension	62
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	30
Depression	18
Chronic Kidney Disease	30
Asthma	5
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2020 were preventive care and vaccines.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

doctor visit	421
preventive care	70
vaccines	57

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	178
Female	96

**Ethnicity**
Non-Hispanic White	255
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	156
From 75 to 84	74
85 and over	32
Less than 65	12

Conditions of Medicare patients treated by Dr. John C. Lesniak, MD in 2020

Hypertension	61
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	31
Depression	12
Chronic Kidney Disease	28
Asthma	5
Osteoperosis	4
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	8
Diabetes	22
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2021 were preventive care and vaccines.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

doctor visit	423
preventive care	20
vaccines	20

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	171
Female	92

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

**Age**
From 65 to 74	147
From 75 to 84	74
85 and over	30
Less than 65	12

Conditions of Medicare patients treated by Dr. John C. Lesniak, MD in 2021

Hypertension	57
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	27
Depression	8
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	6
Diabetes	22
Dementia	4
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI during 2022 were preventive care.

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

doctor visit	421
preventive care	11

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	183
Female	85

**Ethnicity**
Non-Hispanic White	248
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	90
85 and over	29
Less than 65	14

Conditions of Medicare patients treated by Dr. John C. Lesniak, MD in 2022

Hypertension	63
High Cholesterol	71
Stroke	4
Ischemic Heart Disease	23
Depression	9
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	5
Atrial Fibrilation	16
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	25
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John C. Lesniak, MD for Medicare patients.

The highest averages for the top procedures that Dr. John C. Lesniak, MD treated as a family medicine practitioner in Hartland, WI were blood draw, preventive care, vaccines and anorectal procedures.

anorectal procedures	20
blood draw	225
doctor visit	466
lab tests	15
preventive care	89
thoracic (chest) imaging	12
vaccines	84
X-rays	12

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John C. Lesniak, MD.

**Gender**
Male	184
Female	102

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	269
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	80
85 and over	28
Less than 65	17
65 to 74	160

Average of Total of Conditions of Medicare patients treated by Dr. John C. Lesniak, MD From 2012 - 2022

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

Hypertension	51
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	26
Depression	10
Chronic Kidney Disease	20
Asthma	5
Osteoporosis	1
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	20
Atrial Fibrillation	11
Dementia	5
Cancer	8

Education & Training

Dr. John C. Lesniak, MD graduated from Medical College of Wisconsin. He completed residency at Medical College of Wisconsin Affiliated Hospitals. He is certified by the Board Certification: Family Medicine and has a state license in Wisconsin.

Medical School: Medical College of Wisconsin

Residency: Medical College of Wisconsin Affiliated Hospitals

Board Certification: Board Certification: Family Medicine

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. John C. Lesniak, MD is associated with these hospitals and organizations:

ProHealth Care

PROHEALTH MEDICAL GROUP INC

Ratings & Reviews

Dr. John C. Lesniak, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 263 ratings. We collect ratings and reviews of Dr. John C. Lesniak, MD from all over the web to help you find the right in Hartland, WI.

4.9

Overall Rating

(263 Ratings)

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General Payments

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

**Payments by Company**
Alcon Laboratories Inc	$88 $88

**Types of Payments**
Food and Beverage	$88

Biography

Dr. John Lesniak sees patients in Hartland, WI. His medical specialty is family medicine. His average rating from his patients is 5.0 stars (out of 5). Dr. Lesniak is professionally affiliated with ProHealth Care. He is a graduate of Medical College of Wisconsin. Dr. Lesniak completed his residency training at a hospital affiliated with Medical College of Wisconsin.