In 2012, among providers in related specialties within Missouri, Dr. William Kellar Winkelmeyer, MD performed more hemodialysis procedures for Medicare patients than 75% of them and he also 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 them. 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. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2012 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	269
doctor visit	1339
hemofiltration	33
hospital care	950
inpatient care	950

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2013 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	187
doctor visit	870
hemofiltration	25
hospital care	501
inpatient care	501

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	362
Female	401

**Ethnicity**
Non-Hispanic White	689
Black	62
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	264
From 75 to 84	276
85 and over	117
Less than 65	106

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2013

Hypertension	75
High Cholesterol	73
Stroke	8
Ischemic Heart Disease	49
Depression	23
Chronic Kidney Disease	63
Asthma	5
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	38
Chronic Obstructive Pulmonary Disease	19
Diabetes	52
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2014 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	225
doctor visit	980
hospital care	987
inpatient care	987

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	400
Female	434

**Ethnicity**
Non-Hispanic White	760
Black	57
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	275
85 and over	134
Less than 65	124

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	53
Depression	26
Chronic Kidney Disease	69
Asthma	7
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	42
Chronic Obstructive Pulmonary Disease	23
Diabetes	54
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2015 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	256
doctor visit	939
hemofiltration	43
hospital care	765
inpatient care	765

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	722
Female	768

**Ethnicity**
Non-Hispanic White	1348
Black	116
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	548
From 75 to 84	498
85 and over	240
Less than 65	204

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	51
Depression	26
Chronic Kidney Disease	67
Asthma	14
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	42
Chronic Obstructive Pulmonary Disease	23
Diabetes	53
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2016 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	361
doctor visit	1055
hemofiltration	51
hospital care	799
inpatient care	799

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	428
Female	409

**Ethnicity**
Non-Hispanic White	764
Black	54
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	303
From 75 to 84	275
85 and over	144
Less than 65	115

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	52
Depression	25
Chronic Kidney Disease	75
Asthma	25
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	43
Chronic Obstructive Pulmonary Disease	22
Diabetes	55
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2017 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	344
doctor visit	1013
hemofiltration	86
hospital care	771
inpatient care	771

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	412
Female	432

**Ethnicity**
Non-Hispanic White	771
Black	53
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	310
From 75 to 84	275
85 and over	145
Less than 65	114

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	54
Depression	28
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	9
Atrial Fibrilation	21
Heart Failure	44
Chronic Obstructive Pulmonary Disease	25
Diabetes	56
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2018 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	180
doctor visit	963
hospital care	703
inpatient care	703

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	376
Female	384

**Ethnicity**
Non-Hispanic White	689
Black	50
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	301
From 75 to 84	245
85 and over	122
Less than 65	92

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	50
Depression	27
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	9
Atrial Fibrilation	22
Heart Failure	43
Chronic Obstructive Pulmonary Disease	22
Diabetes	56
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2019 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	237
doctor visit	879
hemofiltration	88
hospital care	503
inpatient care	503

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	341
Female	340

**Ethnicity**
Non-Hispanic White	613
Black	46
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	278
From 75 to 84	220
85 and over	98
Less than 65	85

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	53
Depression	30
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	8
Atrial Fibrilation	24
Heart Failure	44
Chronic Obstructive Pulmonary Disease	23
Diabetes	58
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2020 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	84
doctor visit	789
hospital care	368
inpatient care	368

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	316
Female	294

**Ethnicity**
Non-Hispanic White	558
Black	31
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	190
85 and over	104
Less than 65	61

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	53
Depression	24
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	7
Atrial Fibrilation	20
Heart Failure	40
Chronic Obstructive Pulmonary Disease	18
Diabetes	55
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2021 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	75
doctor visit	895
hospital care	456
inpatient care	456

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	342
Female	296

**Ethnicity**
Non-Hispanic White	582
Black	34
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	217
85 and over	108
Less than 65	69

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	49
Depression	24
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	37
Chronic Obstructive Pulmonary Disease	20
Diabetes	54
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2022 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	98
doctor visit	841
hemofiltration	32
hospital care	343
inpatient care	343

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	316
Female	292

**Ethnicity**
Non-Hispanic White	559
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	220
85 and over	108
Less than 65	54

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	40
Depression	25
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	12
Atrial Fibrilation	35
Heart Failure	35
Chronic Obstructive Pulmonary Disease	24
Diabetes	54
Dementia	9
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2023 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	101
doctor visit	763
hospital care	424
inpatient care	424

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	345
Female	317

**Ethnicity**
Non-Hispanic White	601
Black	35
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	247
From 75 to 84	232
85 and over	115
Less than 65	68

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	43
Depression	26
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	10
Atrial Fibrilation	34
Heart Failure	41
Chronic Obstructive Pulmonary Disease	26
Diabetes	56
Dementia	10
Cancer	19

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO during 2024 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

dialysis	126
doctor visit	755
hospital care	571
inpatient care	571

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	328
Female	302

**Ethnicity**
Non-Hispanic White	574
Black	32
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	218
From 75 to 84	232
85 and over	112
Less than 65	68

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	43
Depression	27
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	10
Atrial Fibrilation	33
Heart Failure	42
Chronic Obstructive Pulmonary Disease	25
Diabetes	58
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. William Kellar Winkelmeyer, MD for Medicare patients.

The highest averages for the top procedures that Dr. William Kellar Winkelmeyer, MD treated as a nephrologist in Columbia, MO were hospital care, inpatient care, dialysis and hemofiltration.

dialysis	195
doctor visit	929
hemofiltration	51
hospital care	626
inpatient care	626

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. William Kellar Winkelmeyer, MD.

**Gender**
Male	360
Female	359

**Ethnicity**
Black / African American	46
Asian / Pacific Islander	0
Non-Hispanic White	654
Native American / Alaskan Native	0
Hispanic	0
Other	2

**Age**
75 to 84	242
85 and over	119
Less than 65	89
65 to 74	268

Average of Total of Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. William Kellar Winkelmeyer, MD treated were high cholesterol, hypertension, chronic kidney disease and diabetes.

Hypertension	69
High Cholesterol	69
Stroke	7
Ischemic Heart Disease	45
Depression	23
Chronic Kidney Disease	67
Asthma	8
Osteoporosis	8
Heart Failure	37
Chronic Obstructive Pulmonary Disease	20
Diabetes	50
Atrial Fibrillation	22
Cancer	12
Dementia	11

Education & Training

He has a state license in Missouri.

Licensed In: Missouri

Ratings & Reviews

Dr. William Kellar Winkelmeyer, MD has a high overall rating with an average of 4.25 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. William Kellar Winkelmeyer, MD from all over the web to help you find the right in Columbia, MO.

4.25

Overall Rating

(2 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Bayer HealthCare Pharmaceuticals Inc.	$123 Kerendia $123
Allergan Inc.	$94 BYSTOLIC $94
NxStage Medical, Inc.	$75 System One $75
Boston Scientific Corporation	$60 Angiojet $60
Actavis Pharma Inc	$52 BYSTOLIC $52
Other	$216 Auryxia $25	BYSTOLIC $24	Ozempic $23	SOLIQUA 100/33 $16	Velphoro $13	Other $116

**Types of Payments**
Food and Beverage	$619

Biography

Dr. William Winkelmeyer is a Columbia, MO physician who specializes in adult nephrology. Dr. Winkelmeyer has obtained a license to practice in Missouri.

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Dr. William Kellar Winkelmeyer, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. William Kellar Winkelmeyer, MD in 2024

By Volume:

By Affordability:

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. William Kellar Winkelmeyer, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William Kellar Winkelmeyer, 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. William Kellar Winkelmeyer, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Columbia, MO