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Home > WI Providers > Internists & Internal Medicine Doctors

Dr. William R. Cooper, MD

(260 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

University of Wisconsin School of Medicine and Public Health

1185 Corporate Center Drive
Oconomowoc, WI 53066

(262) 928-8400

Dr. William R. Cooper, MD is an internist in Oconomowoc, WI specializing in internal medicine (adult medicine). He graduated from University of Wisconsin School of Medicine and Public Health. Dr. William R. Cooper, MD is affiliated with ProHealth Care.

Office Locations

ProHealth Care

1185 Corporate Center Drive
Oconomowoc, WI 53066

(262) 928-8400

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Noteworthy Medicare Patient Procedures Performed by Dr. William R. Cooper, MD in 2023

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

Top 25%

By Volume:

blood tests

prothrombin time test

In 2012, Dr. William R. Cooper, MD performed more blood tests, and prothrombin time (PT) test 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. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2012 were blood draw, nursing home care, lab tests and preventive care.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

blood draw	530
doctor visit	1537
lab tests	215
nursing home care	246
preventive care	184
thoracic (chest) imaging	27
vaccines	184
X-rays	27

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2013 were blood draw, lab tests, nursing home care and preventive care.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

blood draw	802
doctor visit	1471
ear procedures	12
lab tests	327
nursing home care	246
preventive care	221
vaccines	221

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	290
Female	386

**Age**
From 65 to 74	208
From 75 to 84	233
85 and over	200
Less than 65	35

Conditions of Medicare patients treated by Dr. William R. Cooper, MD in 2013

Hypertension	75
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	40
Depression	21
Chronic Kidney Disease	33
Asthma	6
Osteoperosis	6
Atrial Fibrilation	18
Heart Failure	23
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2014 were lab tests, blood draw, nursing home care and preventive care.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

blood draw	434
doctor visit	1473
lab tests	504
nursing home care	267
preventive care	174
vaccines	174

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	325
Female	420

**Ethnicity**
Non-Hispanic White	731
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	221
85 and over	242
Less than 65	42

Conditions of Medicare patients treated by Dr. William R. Cooper, MD in 2014

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	39
Depression	25
Chronic Kidney Disease	34
Asthma	6
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2015 were lab tests, preventive care, vaccines and nursing home care.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

anorectal procedures	15
blood draw	64
doctor visit	1258
lab tests	590
nursing home care	306
preventive care	411
vaccines	381

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	618
Female	850

**Ethnicity**
Non-Hispanic White	1432
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	476
From 75 to 84	422
85 and over	494
Less than 65	76

Conditions of Medicare patients treated by Dr. William R. Cooper, MD in 2015

Hypertension	75
High Cholesterol	63
Stroke	8
Ischemic Heart Disease	39
Depression	25
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	25
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	21
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2016 were lab tests, nursing home care, preventive care and vaccines.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

blood draw	87
doctor visit	1140
lab tests	657
nursing home care	409
preventive care	195
vaccines	181

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	346
Female	442

**Ethnicity**
Non-Hispanic White	768
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	240
From 75 to 84	237
85 and over	280
Less than 65	31

Conditions of Medicare patients treated by Dr. William R. Cooper, MD in 2016

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	40
Depression	27
Chronic Kidney Disease	42
Asthma	16
Osteoperosis	11
Atrial Fibrilation	22
Heart Failure	29
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	25
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2017 were blood draw, lab tests, nursing home care and preventive care.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

blood draw	656
doctor visit	1033
lab tests	509
nursing home care	408
preventive care	133
vaccines	121

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	311
Female	424

**Ethnicity**
Non-Hispanic White	710
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	218
85 and over	264
Less than 65	29

Conditions of Medicare patients treated by Dr. William R. Cooper, MD in 2017

Hypertension	75
High Cholesterol	37
Stroke	6
Ischemic Heart Disease	41
Depression	33
Chronic Kidney Disease	45
Asthma	7
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	27
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Dementia	29
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2018 were nursing home care, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

blood draw	101
doctor visit	992
lab tests	342
nursing home care	459
preventive care	144
vaccines	130

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	300
Female	383

**Ethnicity**
Non-Hispanic White	661
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	213
85 and over	258
Less than 65	24

Conditions of Medicare patients treated by Dr. William R. Cooper, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	41
Depression	29
Chronic Kidney Disease	45
Asthma	8
Osteoperosis	11
Atrial Fibrilation	25
Heart Failure	31
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	30
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2019 were nursing home care, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

doctor visit	921
lab tests	382
nursing home care	418
preventive care	88
vaccines	75

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	304
Female	379

**Ethnicity**
Non-Hispanic White	662
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	239
85 and over	240
Less than 65	16

Conditions of Medicare patients treated by Dr. William R. Cooper, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	7
Ischemic Heart Disease	42
Depression	31
Chronic Kidney Disease	44
Asthma	9
Osteoperosis	11
Atrial Fibrilation	28
Heart Failure	30
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	30
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2020 were nursing home care, lab tests, preventive care and vaccines.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

doctor visit	738
lab tests	181
nursing home care	330
preventive care	84
vaccines	84

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	264
Female	315

**Ethnicity**
Non-Hispanic White	560
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	177
From 75 to 84	174
85 and over	212
Less than 65	16

Conditions of Medicare patients treated by Dr. William R. Cooper, MD in 2020

Hypertension	75
High Cholesterol	71
Stroke	7
Ischemic Heart Disease	43
Depression	29
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	8
Atrial Fibrilation	25
Heart Failure	29
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	25
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2021 were lab tests and nursing home care.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

doctor visit	698
lab tests	717
nursing home care	320

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	355
Female	388

**Ethnicity**
Non-Hispanic White	710
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	220
From 75 to 84	263
85 and over	239
Less than 65	21

Conditions of Medicare patients treated by Dr. William R. Cooper, MD in 2021

Hypertension	75
High Cholesterol	72
Stroke	8
Ischemic Heart Disease	44
Depression	26
Chronic Kidney Disease	46
Asthma	10
Osteoperosis	10
Atrial Fibrilation	37
Heart Failure	35
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	20
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI during 2022 were lab tests, nursing home care and preventive care.

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

doctor visit	730
lab tests	385
nursing home care	274
preventive care	11

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	376
Female	381

**Ethnicity**
Non-Hispanic White	728
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	216
From 75 to 84	278
85 and over	245
Less than 65	18

Conditions of Medicare patients treated by Dr. William R. Cooper, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	36
Depression	25
Chronic Kidney Disease	41
Asthma	12
Osteoperosis	14
Atrial Fibrilation	46
Heart Failure	29
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. William R. Cooper, MD for Medicare patients.

The highest averages for the top procedures that Dr. William R. Cooper, MD treated as an internist in Oconomowoc, WI were lab tests, blood draw, nursing home care and vaccines.

anorectal procedures	15
blood draw	382
doctor visit	1090
ear procedures	12
lab tests	437
nursing home care	334
preventive care	164
thoracic (chest) imaging	27
vaccines	172
X-rays	27

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. William R. Cooper, MD.

**Gender**
Male	317
Female	397

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	632
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	227
85 and over	243
Less than 65	28
65 to 74	216

Average of Total of Conditions of Medicare patients treated by Dr. William R. Cooper, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	36
Depression	24
Chronic Kidney Disease	37
Asthma	8
Osteoporosis	8
Heart Failure	25
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Atrial Fibrillation	23
Cancer	12
Dementia	21

Education & Training

Dr. William R. Cooper, MD graduated from University of Wisconsin School of Medicine and Public Health. He completed residency at University of Cincinnati Affiliated Hospitals. He is certified by the Board Certification: Internal Medicine and has a state license in Wisconsin.

Medical School: University of Wisconsin School of Medicine and Public Health

Residency: University of Cincinnati Affiliated Hospitals

Board Certification: Board Certification: Internal Medicine

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. William R. Cooper, MD is associated with these hospitals and organizations:

ProHealth Care

Ratings & Reviews

Dr. William R. Cooper, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 260 ratings. We collect ratings and reviews of Dr. William R. Cooper, MD from all over the web to help you find the right in Oconomowoc, WI.

4.9

Overall Rating

(260 Ratings)

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General Payments

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

**Payments by Company**
Daiichi Sankyo Inc.	$25 Injectafer $25

**Types of Payments**
Food and Beverage	$25

Biography

Dr. William Cooper has received a 5.0 out of 5 star rating by his patients. Before performing his residency at a hospital affiliated with the University of Cincinnati, Dr. Cooper attended the University of Wisconsin School of Medicine and Public Health for medical school. Dr. Cooper is professionally affiliated with ProHealth Care.