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Dr. John Marshall Ketner, DO

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Specializes in: Surgery

Michigan State University College of Osteopathic Medicine (1978)

5624 Highland Road
Waterford, MI 48327

(248) 674-9664

Dr. John Marshall Ketner, DO is a surgeon in Waterford, MI specializing in surgery. He graduated from Michigan State University College of Osteopathic Medicine in 1978 and has 48 years of experience.

Office Locations

5624 Highland Road
Waterford, MI 48327

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Noteworthy Medicare Patient Procedures Performed by Dr. John Marshall Ketner, DO in 2024

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

Top 25%

By Volume:

biopsy

By Affordability:

diagnostic EGD

diagnostic upper endoscopy

EGD with biopsy

EGD with lesion removal

esophagogastroduodenoscopy

therapeutic EGD

therapeutic upper endoscopy

upper endoscopy

upper endoscopy with biopsy

upper endoscopy with lesion removal

In 2012, among providers in related specialties within Michigan, Dr. John Marshall Ketner, DO performed more biopsy procedures for Medicare patients than 75% of them and he also had a list price for diagnostic EGD, diagnostic upper endoscopy, EGD with biopsy, EGD with lesion removal, esophagogastroduodenoscopy (EGD), therapeutic EGD, therapeutic upper endoscopy, upper endoscopy, upper endoscopy with biopsy, and upper endoscopy with lesion removal 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. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

anastomosis	20
catheterization	35
diagnostic procedures	210
doctor visit	122
gastrointestinal procedures	254
hospital care	286
inpatient care	286
minimally invasive procedures	254
preventive care	24
removal of lesion (e.g. growth)	210

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

anastomosis	15
catheterization	37
diagnostic procedures	209
doctor visit	150
gastrointestinal procedures	249
hospital care	329
inpatient care	329
minimally invasive procedures	249
preventive care	25
removal of lesion (e.g. growth)	209

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	200
Female	249

**Ethnicity**
Non-Hispanic White	353
Black	75
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	92
85 and over	34
Less than 65	127

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2013

Hypertension	75
High Cholesterol	59
Stroke	10
Ischemic Heart Disease	57
Depression	32
Chronic Kidney Disease	39
Asthma	17
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	31
Chronic Obstructive Pulmonary Disease	36
Diabetes	42
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

catheterization	17
diagnostic procedures	117
doctor visit	87
gastrointestinal procedures	216
hospital care	298
inpatient care	298
minimally invasive procedures	216
preventive care	80
removal of lesion (e.g. growth)	117

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	190
Female	189

**Ethnicity**
Non-Hispanic White	300
Black	63
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	68
85 and over	32
Less than 65	116

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2014

Hypertension	75
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	51
Depression	33
Chronic Kidney Disease	39
Asthma	16
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	29
Chronic Obstructive Pulmonary Disease	29
Diabetes	43
Dementia	21
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2015 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

catheterization	26
diagnostic procedures	120
doctor visit	102
gastrointestinal procedures	182
hospital care	311
inpatient care	311
minimally invasive procedures	182
preventive care	44
removal of lesion (e.g. growth)	120

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	350
Female	396

**Ethnicity**
Non-Hispanic White	566
Black	140
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	108
85 and over	70
Less than 65	280

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2015

Hypertension	75
High Cholesterol	58
Stroke	10
Ischemic Heart Disease	48
Depression	34
Chronic Kidney Disease	39
Asthma	25
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	31
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	21
Cancer	20

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2016 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

abdominal surgery	11
anastomosis	13
catheterization	32
diagnostic procedures	89
doctor visit	94
gastrointestinal procedures	178
hospital care	290
inpatient care	290
minimally invasive procedures	167
open surgery	11
preventive care	65
removal of lesion (e.g. growth)	89

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	178
Female	161

**Ethnicity**
Non-Hispanic White	266
Black	50
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	131
From 75 to 84	58
85 and over	18
Less than 65	132

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2016

Hypertension	71
High Cholesterol	53
Stroke	10
Ischemic Heart Disease	43
Depression	34
Chronic Kidney Disease	36
Asthma	37
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	27
Chronic Obstructive Pulmonary Disease	35
Diabetes	35
Dementia	20
Cancer	19

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2017 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

catheterization	15
device removal	12
diagnostic procedures	111
doctor visit	112
gastrointestinal procedures	177
hospital care	273
inpatient care	273
minimally invasive procedures	177
preventive care	66
removal of lesion (e.g. growth)	111

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	182
Female	178

**Ethnicity**
Non-Hispanic White	302
Black	45
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	63
85 and over	21
Less than 65	117

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2017

Hypertension	72
High Cholesterol	53
Stroke	8
Ischemic Heart Disease	43
Depression	33
Chronic Kidney Disease	38
Asthma	10
Osteoperosis	6
Atrial Fibrilation	11
Heart Failure	25
Chronic Obstructive Pulmonary Disease	30
Diabetes	34
Dementia	16
Cancer	19

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2018 were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

anastomosis	14
catheterization	28
diagnostic procedures	48
doctor visit	91
gastrointestinal procedures	129
hospital care	341
inpatient care	341
minimally invasive procedures	115
preventive care	53
removal of lesion (e.g. growth)	48

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	166
Female	148

**Ethnicity**
Non-Hispanic White	247
Black	54
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	55
85 and over	21
Less than 65	97

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2018

Hypertension	70
High Cholesterol	53
Stroke	9
Ischemic Heart Disease	47
Depression	43
Chronic Kidney Disease	47
Asthma	14
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	32
Chronic Obstructive Pulmonary Disease	29
Diabetes	36
Dementia	26
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2019 were gastrointestinal procedures, hospital care, inpatient care and minimally invasive procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

abdominal surgery	11
diagnostic procedures	92
doctor visit	62
gastrointestinal procedures	140
hospital care	131
inpatient care	131
minimally invasive procedures	129
open surgery	11
preventive care	37
removal of lesion (e.g. growth)	92

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	116
Female	121

**Ethnicity**
Non-Hispanic White	196
Black	28
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	44
85 and over	11
Less than 65	62

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2019

Hypertension	67
High Cholesterol	52
Stroke	8
Ischemic Heart Disease	35
Depression	30
Chronic Kidney Disease	36
Asthma	12
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	24
Chronic Obstructive Pulmonary Disease	27
Diabetes	32
Dementia	16
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2020 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

diagnostic procedures	69
doctor visit	22
gastrointestinal procedures	69
hospital care	14
inpatient care	14
minimally invasive procedures	69
removal of lesion (e.g. growth)	69

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	62
Female	52

**Ethnicity**
Non-Hispanic White	89
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	0
85 and over	0
Less than 65	31

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2020

Hypertension	70
High Cholesterol	39
Stroke	0
Ischemic Heart Disease	33
Depression	30
Chronic Kidney Disease	30
Asthma	11
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Dementia	11
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

diagnostic procedures	72
doctor visit	25
gastrointestinal procedures	90
minimally invasive procedures	90
preventive care	18
removal of lesion (e.g. growth)	72

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	80
Female	64

**Ethnicity**
Non-Hispanic White	121
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2021

Hypertension	67
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	33
Depression	24
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

diagnostic procedures	59
doctor visit	27
gastrointestinal procedures	79
minimally invasive procedures	79
preventive care	20
removal of lesion (e.g. growth)	59

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	64
Female	61

**Ethnicity**
Non-Hispanic White	108
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2022

Hypertension	69
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	12
Asthma	17
Osteoperosis	12
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	26
Diabetes	27
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2023 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

diagnostic procedures	71
gastrointestinal procedures	103
minimally invasive procedures	103
preventive care	32
removal of lesion (e.g. growth)	71

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	61
Female	59

**Age**
From 65 to 74	69
From 75 to 84	0
85 and over	0
Less than 65	27

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2023

Hypertension	67
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	25
Depression	15
Chronic Kidney Disease	13
Asthma	11
Osteoperosis	12
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	20
Diabetes	23
Dementia	0
Cancer	20

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI during 2024 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

diagnostic procedures	48
doctor visit	13
gastrointestinal procedures	77
minimally invasive procedures	77
preventive care	29
removal of lesion (e.g. growth)	48

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	52
Female	41

**Age**
From 65 to 74	51
From 75 to 84	27
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO in 2024

Hypertension	73
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	26
Depression	0
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	0
Atrial Fibrilation	14
Heart Failure	0
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	0
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. John Marshall Ketner, DO for Medicare patients.

The highest averages for the top procedures that Dr. John Marshall Ketner, DO treated as a surgeon in Waterford, MI were hospital care, inpatient care, gastrointestinal procedures and minimally invasive procedures.

abdominal surgery	11
anastomosis	15
catheterization	27
device removal	12
diagnostic procedures	101
doctor visit	75
gastrointestinal procedures	149
hospital care	252
inpatient care	252
minimally invasive procedures	146
open surgery	11
preventive care	41
removal of lesion (e.g. growth)	101

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. John Marshall Ketner, DO.

**Gender**
Male	130
Female	132

**Ethnicity**
Black / African American	35
Asian / Pacific Islander	0
Non-Hispanic White	196
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	44
85 and over	15
Less than 65	76
65 to 74	116

Average of Total of Conditions of Medicare patients treated by Dr. John Marshall Ketner, DO From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. John Marshall Ketner, DO treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	65
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	35
Depression	25
Chronic Kidney Disease	28
Asthma	13
Osteoporosis	6
Heart Failure	18
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Atrial Fibrillation	8
Dementia	12
Cancer	16

Education & Training

Dr. John Marshall Ketner, DO graduated from Michigan State University College of Osteopathic Medicine in 1978. He is certified by the Board Certification: American Osteopathic Association - General Surgery and has a state license in Michigan.

Medical School: Michigan State University College of Osteopathic Medicine (1978)

Board Certification: Board Certification: American Osteopathic Association - General Surgery

Licensed In: Michigan

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General Payments

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

**Payments by Company**
Intuitive Surgical, Inc.	$16,986 Da Vinci Surgical System $11,486	DAVINCI XI $5,500
KCI USA, Inc	$159 Advanced Wound Dressings $82	VAC THERAPY $77
Mallinckrodt LLC	$125 PREVELEAK $125
Merck Sharp & Dohme Corporation	$109 ENTEREG $109
LIFECELL CORPORATION	$96 AlloDerm $96
Other	$220 Wound Matrix $69	Curity $34	Zynrelef $22	Biosurgicals $16	$80