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Dr. John D. Knudtson, MD

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Specializes in: Diagnostic Radiology

University of Kansas School of Medicine (1993)

420 Steamer Drive Suite 101
Estes Park, CO 80517

(970) 480-2025

Dr. John D. Knudtson, MD is a diagnostic radiologist in Estes Park, CO specializing in diagnostic radiology. He graduated from University of Kansas School of Medicine in 1993 and has 33 years of experience. Dr. John D. Knudtson, MD is affiliated with UCHealth.

Office Locations

420 Steamer Drive Suite 101
Estes Park, CO 80517

(970) 480-2025

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555 Prospect Avenue
Estes Park, CO 80517

(970) 586-2317

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In The News (see more mentions in the news)

“"Be sure and schedule your annual screening and healthcare appointments at EPH while you are in town for the summer," said Dr. John Knudtson, EPH Radiologist.”—"Take advantage of summer healthcare opportunities at EPH", Estes Park Trail Gazette, July 2024

“Estes Park Health Radiologist Dr. John Knudtson is over the moon about the success of the month-long fundraising campaign.”—"Mrs. Rooftop Rodeo campaign raises record amount for new ultrasound", Estes Park Trail Gazette, July 2024

“"In conjunction with our state-of-the-art 3D mammography, we want to add state-of-the-art, high-resolution ultrasound in order to be able to provide a prompt and confident diagnosis for anything...”—"Help EPH add important ultrasound equipment", Estes Park Trail Gazette, June 2024

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2012 were X-rays, women's imaging, breast procedures and thoracic (chest) imaging.

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	260
brain imaging (neuroimaging)	241
breast procedures	1145
cardiac procedures	12
CT scan	473
diagnostic imaging	338
diagnostic procedures	14
hip imaging	66
image guided procedures	14
minimally invasive procedures	14
minor procedures	14
MRI (magnetic resonance imaging)	44
musculoskeletal imaging	225
nuclear scan	12
pelvic imaging	224
preventive care	675
spinal procedures	102
stress testing	12
thoracic (chest) imaging	1069
ultrasound (sonogram)	323
vascular procedures	106
women's imaging	1150
X-rays	2357

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2013 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	252
brain imaging (neuroimaging)	302
breast procedures	789
CT scan	479
diagnostic imaging	185
diagnostic procedures	17
hip imaging	54
image guided procedures	17
minimally invasive procedures	17
minor procedures	17
MRI (magnetic resonance imaging)	64
musculoskeletal imaging	141
pelvic imaging	209
preventive care	509
spinal procedures	72
thoracic (chest) imaging	1087
ultrasound (sonogram)	336
vascular procedures	161
women's imaging	792
X-rays	1949

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Male	783
Female	1822

**Ethnicity**
Non-Hispanic White	2299
Black	167
Hispanic	76
Asian	24
Other	17
Native American	22

**Age**
From 65 to 74	1008
From 75 to 84	731
85 and over	422
Less than 65	444

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2013

Hypertension	73
High Cholesterol	54
Stroke	10
Ischemic Heart Disease	44
Depression	31
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2014 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	284
brain imaging (neuroimaging)	335
breast procedures	976
CT scan	656
diagnostic imaging	275
diagnostic procedures	15
hip imaging	83
image guided procedures	15
minimally invasive procedures	15
minor procedures	15
MRI (magnetic resonance imaging)	133
musculoskeletal imaging	264
pelvic imaging	271
preventive care	579
spinal procedures	113
thoracic (chest) imaging	1134
ultrasound (sonogram)	305
vascular procedures	124
women's imaging	982
X-rays	2177

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Male	888
Female	2162

**Ethnicity**
Non-Hispanic White	2676
Black	196
Hispanic	92
Asian	42
Other	25
Native American	19

**Age**
From 65 to 74	1182
From 75 to 84	911
85 and over	460
Less than 65	497

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2014

Hypertension	73
High Cholesterol	54
Stroke	10
Ischemic Heart Disease	43
Depression	31
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2015 were X-rays, thoracic (chest) imaging, breast procedures and women's imaging.

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	352
brain imaging (neuroimaging)	282
breast procedures	1175
CT scan	667
diagnostic imaging	279
diagnostic procedures	15
hip imaging	70
image guided procedures	30
minimally invasive procedures	30
minor procedures	15
MRI (magnetic resonance imaging)	99
musculoskeletal imaging	308
neck imaging	11
pelvic imaging	290
preventive care	700
spinal procedures	124
thoracic (chest) imaging	1408
ultrasound (sonogram)	409
vascular procedures	105
women's imaging	1162
X-rays	2721

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Male	2074
Female	4894

**Ethnicity**
Non-Hispanic White	6120
Black	462
Hispanic	212
Asian	94
Other	36
Native American	44

**Age**
From 65 to 74	2748
From 75 to 84	1966
85 and over	1102
Less than 65	1152

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2015

Hypertension	72
High Cholesterol	54
Stroke	10
Ischemic Heart Disease	44
Depression	32
Chronic Kidney Disease	35
Asthma	16
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2016 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	157
brain imaging (neuroimaging)	178
breast procedures	564
CT scan	392
diagnostic imaging	151
hip imaging	13
image guided procedures	12
minimally invasive procedures	12
MRI (magnetic resonance imaging)	35
musculoskeletal imaging	111
pelvic imaging	137
preventive care	299
spinal procedures	75
thoracic (chest) imaging	757
ultrasound (sonogram)	209
vascular procedures	41
women's imaging	566
X-rays	1279

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Male	565
Female	1325

**Ethnicity**
Non-Hispanic White	1635
Black	135
Hispanic	58
Asian	26
Other	19
Native American	17

**Age**
From 65 to 74	734
From 75 to 84	570
85 and over	275
Less than 65	311

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2016

Hypertension	73
High Cholesterol	54
Stroke	8
Ischemic Heart Disease	46
Depression	34
Chronic Kidney Disease	40
Asthma	27
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Dementia	18
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2017 were X-rays, women's imaging, breast procedures and thoracic (chest) imaging.

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	224
brain imaging (neuroimaging)	27
breast procedures	816
CT scan	81
diagnostic imaging	156
gastrointestinal procedures	22
musculoskeletal imaging	33
neck imaging	21
pelvic imaging	33
preventive care	492
spinal procedures	11
thoracic (chest) imaging	751
ultrasound (sonogram)	582
vascular procedures	162
women's imaging	836
X-rays	1424

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Male	644
Female	1550

**Ethnicity**
Non-Hispanic White	1934
Black	148
Hispanic	62
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	946
From 75 to 84	635
85 and over	285
Less than 65	328

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2017

Hypertension	72
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	38
Depression	30
Chronic Kidney Disease	39
Asthma	8
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2018 were women's imaging, breast procedures, X-rays and preventive care.

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	360
brain imaging (neuroimaging)	34
breast procedures	1951
CT scan	60
diagnostic imaging	388
gastrointestinal procedures	44
musculoskeletal imaging	91
neck imaging	18
pelvic imaging	99
preventive care	1161
spinal procedures	15
thoracic (chest) imaging	13
ultrasound (sonogram)	1021
vascular procedures	220
women's imaging	1987
X-rays	1738

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Male	1350
Female	3140

**Ethnicity**
Non-Hispanic White	3909
Black	280
Hispanic	144
Asian	59
Other	66
Native American	32

**Age**
From 65 to 74	1948
From 75 to 84	1388
85 and over	598
Less than 65	556

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2018

Hypertension	74
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	41
Depression	31
Chronic Kidney Disease	40
Asthma	7
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2019 were women's imaging, breast procedures, X-rays and preventive care.

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	411
brain imaging (neuroimaging)	18
breast procedures	1993
CT scan	48
diagnostic imaging	376
gastrointestinal procedures	33
musculoskeletal imaging	95
pelvic imaging	85
preventive care	1243
spinal procedures	30
thoracic (chest) imaging	26
ultrasound (sonogram)	983
vascular procedures	199
women's imaging	2022
X-rays	1846

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Male	1264
Female	3059

**Ethnicity**
Non-Hispanic White	3828
Black	239
Hispanic	133
Asian	55
Other	41
Native American	27

**Age**
From 65 to 74	2029
From 75 to 84	1181
85 and over	569
Less than 65	544

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2019

Hypertension	74
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	39
Depression	32
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	26
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2020 were X-rays, women's imaging, breast procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	422
brain imaging (neuroimaging)	31
breast procedures	1067
CT scan	95
diagnostic imaging	227
gastrointestinal procedures	46
musculoskeletal imaging	80
pelvic imaging	132
preventive care	654
spinal procedures	51
thoracic (chest) imaging	41
ultrasound (sonogram)	812
vascular procedures	234
women's imaging	1084
X-rays	1132

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Male	1341
Female	2393

**Ethnicity**
Non-Hispanic White	3271
Black	179
Hispanic	131
Asian	62
Other	62
Native American	29

**Age**
From 65 to 74	1630
From 75 to 84	1167
85 and over	517
Less than 65	420

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2020

Hypertension	75
High Cholesterol	63
Stroke	7
Ischemic Heart Disease	45
Depression	34
Chronic Kidney Disease	46
Asthma	8
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2021 were X-rays, women's imaging, breast procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	473
brain imaging (neuroimaging)	52
breast procedures	1165
CT scan	122
diagnostic imaging	210
gastrointestinal procedures	18
MRI (magnetic resonance imaging)	12
musculoskeletal imaging	89
pelvic imaging	143
preventive care	731
spinal procedures	68
thoracic (chest) imaging	71
ultrasound (sonogram)	996
vascular procedures	341
women's imaging	1186
X-rays	1196

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Male	1467
Female	2679

**Ethnicity**
Non-Hispanic White	3656
Black	205
Hispanic	130
Asian	45
Other	86
Native American	24

**Age**
From 65 to 74	1859
From 75 to 84	1304
85 and over	582
Less than 65	401

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2021

Hypertension	75
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	44
Depression	31
Chronic Kidney Disease	44
Asthma	8
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO during 2022 were breast procedures, women's imaging, X-rays and preventive care.

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

abdominal imaging	24
breast procedures	144
CT scan	11
diagnostic imaging	21
pelvic imaging	11
preventive care	91
ultrasound (sonogram)	58
vascular procedures	13
women's imaging	144
X-rays	112

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Male	228
Female	377

**Ethnicity**
Non-Hispanic White	554
Black	19
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	271
From 75 to 84	178
85 and over	99
Less than 65	57

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2022

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	37
Depression	29
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	14
Atrial Fibrilation	28
Heart Failure	28
Chronic Obstructive Pulmonary Disease	27
Diabetes	33
Dementia	9
Cancer	19

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2024

Hypertension	71
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. John D. Knudtson, MD for Medicare patients.

The highest averages for the top procedures that Dr. John D. Knudtson, MD treated as a diagnostic radiologist in Estes Park, CO were X-rays, women's imaging, breast procedures and preventive care.

abdominal imaging	292
brain imaging (neuroimaging)	150
breast procedures	1071
cardiac procedures	12
CT scan	280
diagnostic imaging	236
diagnostic procedures	15
gastrointestinal procedures	32
hip imaging	57
image guided procedures	17
minimally invasive procedures	17
minor procedures	15
MRI (magnetic resonance imaging)	64
musculoskeletal imaging	143
neck imaging	16
nuclear scan	12
pelvic imaging	148
preventive care	648
spinal procedures	66
stress testing	12
thoracic (chest) imaging	635
ultrasound (sonogram)	548
vascular procedures	155
women's imaging	1082
X-rays	1630

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. John D. Knudtson, MD.

**Gender**
Female	1950
Male	883

**Ethnicity**
Black / African American	169
Asian / Pacific Islander	35
Non-Hispanic White	2490
Native American / Alaskan Native	17
Hispanic	87
Other	29

**Age**
85 and over	409
75 to 84	835
Less than 65	392
65 to 74	1196

Average of Total of Conditions of Medicare patients treated by Dr. John D. Knudtson, MD From 2012 - 2024

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

Hypertension	67
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	31
Asthma	9
Osteoporosis	8
Heart Failure	23
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Atrial Fibrillation	15
Dementia	12
Cancer	12

Education & Training

Dr. John D. Knudtson, MD graduated from University of Kansas School of Medicine in 1993. He completed residency at University of Kansas Affiliated Hospitals. He is certified by the American Board of Radiology, Diplomat, Diagnostic Radiology and has a state license in Kansas.

Medical School: University of Kansas School of Medicine (1993)

Residency: University of Kansas Affiliated Hospitals (2001)

Board Certification: American Board of Radiology, Diplomat, Diagnostic Radiology (2001)

Licensed In: Kansas

Affiliations & Hospitals

Dr. John D. Knudtson, MD is associated with these hospitals and organizations:

UCHealth

Ratings & Reviews

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Biography

Dr. John Knudtson's area of specialization is diagnostic radiology. After completing medical school at the University of Kansas School of Medicine, he performed his residency at The University of Texas MD Anderson Cancer Center and a hospital affiliated with the University of Kansas. His areas of expertise include imaging procedures. Dr. Knudtson is professionally affiliated with UCHealth.

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Dr. John D. Knudtson, MD

Office Locations

In The News (see more mentions in the news)

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 D. Knudtson, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John D. Knudtson, MD in 2022

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. John D. Knudtson, 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. John D. Knudtson, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

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