In 2023, among providers in related specialties within Wisconsin, Dr. John Nicholas Gietzen, DO performed more nursing home care procedures for Medicare patients than 95% of them and he also had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 95% 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 Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2012 were allergy testing, skin testing, minimally invasive procedures and lab tests.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

allergy testing	897
aspiration	50
blood draw	143
breathing treatment	19
diabetes management	35
diagnostic procedures	86
doctor visit	1897
ear procedures	23
injections	50
lab tests	198
minimally invasive procedures	897
preventive care	63
removal of lesion (e.g. growth)	20
skin procedures	20
skin testing	897
vaccines	28
vascular procedures	27

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2013 were skin testing, minimally invasive procedures, allergy testing and aspiration.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

allergy testing	1000
aspiration	47
blood draw	22
doctor visit	1662
ear procedures	23
injections	47
lab tests	34
minimally invasive procedures	1000
skin testing	1000

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	233
Female	266

**Ethnicity**
Non-Hispanic White	454
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	254
From 75 to 84	165
85 and over	43
Less than 65	37

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2013

Hypertension	68
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	33
Depression	18
Chronic Kidney Disease	14
Asthma	4
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	24
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2014 were skin testing, minimally invasive procedures, allergy testing and lab tests.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

allergy testing	5647
aspiration	17
blood draw	58
diabetes management	20
doctor visit	1700
injections	17
lab tests	131
minimally invasive procedures	5647
preventive care	38
skin testing	5647
vaccines	18
vascular procedures	29

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	245
Female	267

**Ethnicity**
Non-Hispanic White	463
Black	0
Hispanic	35
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	261
From 75 to 84	170
85 and over	48
Less than 65	33

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2014

Hypertension	67
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	35
Depression	17
Chronic Kidney Disease	19
Asthma	4
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	17
Diabetes	24
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2015 were allergy testing, skin testing, minimally invasive procedures and inpatient care.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

allergy testing	1440
aspiration	19
blood draw	75
chronic care	13
diabetes management	22
doctor visit	2079
ear procedures	12
hospital care	155
injections	19
inpatient care	155
lab tests	147
minimally invasive procedures	1440
preventive care	22
skin testing	1440
vascular procedures	20

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	638
Female	752

**Ethnicity**
Non-Hispanic White	1166
Black	0
Hispanic	166
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	692
From 75 to 84	436
85 and over	152
Less than 65	110

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2015

Hypertension	72
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	37
Depression	23
Chronic Kidney Disease	30
Asthma	14
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2016 were chronic care, hospital care, inpatient care and nursing home care.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

blood draw	28
chronic care	1136
diabetes management	23
doctor visit	1759
hospital care	816
inpatient care	777
lab tests	90
nursing home care	228
outpatient care	19
preventive care	37
vascular procedures	23

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	495
Female	528

**Ethnicity**
Non-Hispanic White	812
Black	20
Hispanic	157
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	420
From 75 to 84	377
85 and over	146
Less than 65	80

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2016

Hypertension	75
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	48
Depression	31
Chronic Kidney Disease	50
Asthma	30
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	29
Diabetes	36
Dementia	20
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2017 were chronic care, nursing home care, hospital care and inpatient care.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

blood draw	22
chronic care	728
doctor visit	1158
hospital care	192
inpatient care	177
nursing home care	370
outpatient care	15
vascular procedures	16

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	377
Female	367

**Ethnicity**
Non-Hispanic White	586
Black	0
Hispanic	123
Asian	0
Other	0
Native American	13

**Age**
From 65 to 74	297
From 75 to 84	259
85 and over	119
Less than 65	69

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2017

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	49
Depression	31
Chronic Kidney Disease	51
Asthma	7
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	26
Diabetes	36
Dementia	20
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2018 were nursing home care, chronic care, blood draw and emergency care.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

blood draw	62
chronic care	103
doctor visit	301
emergency care	33
nursing home care	271
preventive care	18
vaccines	18

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	192
Female	168

**Ethnicity**
Non-Hispanic White	212
Black	0
Hispanic	134
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	156
From 75 to 84	106
85 and over	49
Less than 65	49

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2018

Hypertension	75
High Cholesterol	69
Stroke	9
Ischemic Heart Disease	42
Depression	31
Chronic Kidney Disease	51
Asthma	7
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	20
Diabetes	46
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2019 were nursing home care and blood draw.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

blood draw	67
doctor visit	377
nursing home care	745

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	117
Female	115

**Ethnicity**
Non-Hispanic White	101
Black	0
Hispanic	120
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	85
85 and over	43
Less than 65	26

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2019

Hypertension	75
High Cholesterol	74
Stroke	14
Ischemic Heart Disease	42
Depression	34
Chronic Kidney Disease	56
Asthma	7
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	35
Chronic Obstructive Pulmonary Disease	24
Diabetes	54
Dementia	26
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2020 were nursing home care.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

doctor visit	111
nursing home care	3978

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	177
Female	184

**Ethnicity**
Non-Hispanic White	270
Black	0
Hispanic	77
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	143
85 and over	90
Less than 65	29

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2020

Hypertension	75
High Cholesterol	74
Stroke	22
Ischemic Heart Disease	64
Depression	47
Chronic Kidney Disease	73
Asthma	8
Osteoperosis	13
Atrial Fibrilation	21
Heart Failure	51
Chronic Obstructive Pulmonary Disease	34
Diabetes	56
Dementia	53
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2021 were nursing home care.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

nursing home care	3222

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	133
Female	127

**Ethnicity**
Non-Hispanic White	184
Black	0
Hispanic	65
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	94
85 and over	68
Less than 65	23

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2021

Hypertension	75
High Cholesterol	67
Stroke	18
Ischemic Heart Disease	52
Depression	44
Chronic Kidney Disease	71
Asthma	8
Osteoperosis	14
Atrial Fibrilation	19
Heart Failure	45
Chronic Obstructive Pulmonary Disease	27
Diabetes	48
Dementia	50
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI during 2022 were nursing home care and blood draw.

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

blood draw	21
doctor visit	494
nursing home care	1878

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	258
Female	138

**Ethnicity**
Non-Hispanic White	340
Black	0
Hispanic	40
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	132
85 and over	168
Less than 65	30

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2022

Hypertension	75
High Cholesterol	72
Stroke	15
Ischemic Heart Disease	39
Depression	54
Chronic Kidney Disease	39
Asthma	6
Osteoperosis	17
Atrial Fibrilation	31
Heart Failure	31
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	56
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Nicholas Gietzen, DO for Medicare patients.

The highest averages for the top procedures that Dr. John Nicholas Gietzen, DO treated as a family medicine practitioner in New Glarus, WI were allergy testing, minimally invasive procedures, skin testing and nursing home care.

allergy testing	2246
aspiration	33
blood draw	55
chronic care	495
diabetes management	25
diagnostic procedures	86
doctor visit	1153
ear procedures	19
emergency care	33
hospital care	387
injections	33
inpatient care	369
lab tests	120
minimally invasive procedures	2246
nursing home care	1527
outpatient care	17
preventive care	35
removal of lesion (e.g. growth)	20
skin procedures	20
skin testing	2246
vaccines	21
vascular procedures	23

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Nicholas Gietzen, DO.

**Gender**
Male	260
Female	264

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	417
Native American / Alaskan Native	1
Hispanic	86
Other	1

**Age**
75 to 84	178
85 and over	84
Less than 65	44
65 to 74	218

Average of Total of Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO From 2012 - 2022

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

Hypertension	66
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	40
Depression	30
Chronic Kidney Disease	41
Asthma	8
Osteoporosis	10
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Atrial Fibrillation	16
Dementia	25
Cancer	10

Education & Training

He has a state license in Arizona.

Licensed In: Arizona

Ratings & Reviews

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$367 SYMBICORT $143	FARXIGA $87	BYDUREON PEN $48	BYDUREON WEEKLY $25	$63
Allergan Inc.	$340 VIBERZI $190	VRAYLAR $70	NAMENDA XR $31	LINZESS $18	BYSTOLIC $16	Other $15
Novo Nordisk Inc	$277 Tresiba $173	NovoLog $47	Victoza $30	Saxenda $16	Xultophy 100/3.6 $11
Lilly USA, LLC	$227 GLYXAMBI $59	TRULICITY $50	HUMALOG $42	CIALIS $36	TRADJENTA $28	Other $13
SANOFI-AVENTIS U.S. LLC	$223 TOUJEO $131	LANTUS $64	AFREZZA $17	AUVIQ $11
Other	$1,743 Brovana $129	ELIQUIS $122	LINZESS $105	Propel $104	INVOKANA $81	Other $1,202

**Types of Payments**
Food and Beverage	$3,030
Education	$146

Biography

Dr. John Gietzen's area of specialization is family medicine. He graduated from Michigan State University College of Osteopathic Medicine.

Select Year:

Dr. John Nicholas Gietzen, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John Nicholas Gietzen, DO in 2023

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. John Nicholas Gietzen, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. John Nicholas Gietzen, DO From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Family Physicians & Family Medicine Specialists in Nearby Locations

Other Providers in New Glarus, WI