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Dr. Timothy S. Chen, MD

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Specializes in: Diagnostic Radiology

Indiana University School of Medicine (1999)

4321 W College Avenue Suite 300
Appleton, WI 54914

(920) 739-5642

Dr. Timothy S. Chen, MD is a diagnostic radiologist in Appleton, WI specializing in diagnostic radiology. He graduated from Indiana University School of Medicine in 1999 and has 27 years of experience. Dr. Timothy S. Chen, MD is affiliated with RADIOLOGY ASSOCIATES OF APPLETON SC.

Office Locations

4321 W College Avenue Suite 300
Appleton, WI 54914

(920) 739-5642

(920) 968-0259

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Noteworthy Medicare Patient Procedures Performed by Dr. Timothy S. Chen, MD in 2023

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

Top 25%

By Volume:

arm CT scan

In 2012, Dr. Timothy S. Chen, MD performed more arm CT scan 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. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2012 were X-rays, thoracic (chest) imaging, CT scan and musculoskeletal imaging.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	155
brain imaging (neuroimaging)	35
CT scan	206
hip imaging	103
MRI (magnetic resonance imaging)	115
musculoskeletal imaging	161
pelvic imaging	143
spinal procedures	24
thoracic (chest) imaging	724
ultrasound (sonogram)	11
X-rays	818

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2013 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	153
brain imaging (neuroimaging)	34
CT scan	239
hip imaging	76
MRI (magnetic resonance imaging)	98
musculoskeletal imaging	125
pelvic imaging	150
spinal procedures	49
thoracic (chest) imaging	654
ultrasound (sonogram)	28
vascular procedures	28
X-rays	720

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	553
Female	698

**Ethnicity**
Non-Hispanic White	1121
Black	11
Hispanic	15
Asian	21
Other	18
Native American	65

**Age**
From 65 to 74	428
From 75 to 84	370
85 and over	196
Less than 65	257

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2013

Hypertension	69
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	39
Depression	27
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2014 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	132
brain imaging (neuroimaging)	29
CT scan	198
hip imaging	46
MRI (magnetic resonance imaging)	53
musculoskeletal imaging	88
pelvic imaging	129
spinal procedures	41
thoracic (chest) imaging	586
ultrasound (sonogram)	24
vascular procedures	24
X-rays	663

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	482
Female	632

**Ethnicity**
Non-Hispanic White	1006
Black	0
Hispanic	0
Asian	20
Other	0
Native American	62

**Age**
From 65 to 74	397
From 75 to 84	284
85 and over	187
Less than 65	246

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2014

Hypertension	70
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	37
Depression	31
Chronic Kidney Disease	35
Asthma	16
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	27
Chronic Obstructive Pulmonary Disease	23
Diabetes	31
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2015 were X-rays, thoracic (chest) imaging, CT scan and pelvic imaging.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	112
brain imaging (neuroimaging)	27
CT scan	184
hip imaging	75
MRI (magnetic resonance imaging)	59
musculoskeletal imaging	122
pelvic imaging	131
spinal procedures	20
thoracic (chest) imaging	666
ultrasound (sonogram)	14
vascular procedures	14
X-rays	753

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	1144
Female	1346

**Ethnicity**
Non-Hispanic White	2288
Black	0
Hispanic	34
Asian	0
Other	30
Native American	96

**Age**
From 65 to 74	988
From 75 to 84	604
85 and over	402
Less than 65	496

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2015

Hypertension	70
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	37
Depression	32
Chronic Kidney Disease	35
Asthma	18
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	27
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	10
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2016 were X-rays, thoracic (chest) imaging, CT scan and musculoskeletal imaging.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	85
brain imaging (neuroimaging)	47
CT scan	147
hip imaging	51
MRI (magnetic resonance imaging)	70
musculoskeletal imaging	100
pelvic imaging	58
spinal procedures	38
thoracic (chest) imaging	573
ultrasound (sonogram)	27
vascular procedures	27
X-rays	626

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	523
Female	672

**Ethnicity**
Non-Hispanic White	1085
Black	0
Hispanic	14
Asian	0
Other	21
Native American	54

**Age**
From 65 to 74	455
From 75 to 84	269
85 and over	206
Less than 65	265

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2016

Hypertension	67
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	36
Depression	30
Chronic Kidney Disease	38
Asthma	25
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2017 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	157
brain imaging (neuroimaging)	55
CT scan	227
hip imaging	62
MRI (magnetic resonance imaging)	76
musculoskeletal imaging	131
pelvic imaging	126
spinal procedures	82
thoracic (chest) imaging	738
ultrasound (sonogram)	64
vascular procedures	53
X-rays	877

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	706
Female	837

**Ethnicity**
Non-Hispanic White	1396
Black	0
Hispanic	16
Asian	0
Other	33
Native American	76

**Age**
From 65 to 74	619
From 75 to 84	395
85 and over	207
Less than 65	322

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2017

Hypertension	66
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	35
Depression	29
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2018 were CT scan, X-rays, abdominal imaging and pelvic imaging.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	159
brain imaging (neuroimaging)	97
CT scan	338
hip imaging	23
MRI (magnetic resonance imaging)	50
musculoskeletal imaging	121
pelvic imaging	134
spinal procedures	132
thoracic (chest) imaging	100
ultrasound (sonogram)	124
vascular procedures	78
X-rays	196

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	868
Female	1029

**Ethnicity**
Non-Hispanic White	1728
Black	0
Hispanic	24
Asian	0
Other	40
Native American	71

**Age**
From 65 to 74	751
From 75 to 84	536
85 and over	286
Less than 65	324

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2018

Hypertension	69
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	36
Depression	28
Chronic Kidney Disease	36
Asthma	10
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	23
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2019 were X-rays, CT scan, musculoskeletal imaging and spinal procedures.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	187
brain imaging (neuroimaging)	141
CT scan	410
hip imaging	31
MRI (magnetic resonance imaging)	61
musculoskeletal imaging	273
neck imaging	11
nuclear scan	11
pelvic imaging	140
spinal procedures	222
thoracic (chest) imaging	110
ultrasound (sonogram)	155
vascular procedures	75
X-rays	418

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	1093
Female	1379

**Ethnicity**
Non-Hispanic White	2266
Black	13
Hispanic	25
Asian	32
Other	40
Native American	96

**Age**
From 65 to 74	1049
From 75 to 84	616
85 and over	383
Less than 65	424

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2019

Hypertension	67
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	35
Depression	30
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2020 were CT scan, abdominal imaging, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	166
brain imaging (neuroimaging)	86
CT scan	342
hip imaging	30
MRI (magnetic resonance imaging)	43
musculoskeletal imaging	159
nuclear scan	22
pelvic imaging	138
spinal procedures	80
thoracic (chest) imaging	84
ultrasound (sonogram)	93
vascular procedures	45
X-rays	163

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	729
Female	801

**Ethnicity**
Non-Hispanic White	1358
Black	0
Hispanic	27
Asian	0
Other	39
Native American	77

**Age**
From 65 to 74	685
From 75 to 84	382
85 and over	210
Less than 65	253

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2020

Hypertension	69
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	36
Depression	31
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2021 were CT scan, X-rays, musculoskeletal imaging and abdominal imaging.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	182
brain imaging (neuroimaging)	125
CT scan	425
hip imaging	34
MRI (magnetic resonance imaging)	85
musculoskeletal imaging	261
nuclear scan	33
pelvic imaging	167
spinal procedures	136
thoracic (chest) imaging	91
ultrasound (sonogram)	113
vascular procedures	63
X-rays	282

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	878
Female	1037

**Ethnicity**
Non-Hispanic White	1738
Black	0
Hispanic	27
Asian	0
Other	60
Native American	57

**Age**
From 65 to 74	870
From 75 to 84	506
85 and over	279
Less than 65	260

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2021

Hypertension	67
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	37
Depression	35
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI during 2022 were CT scan, X-rays, musculoskeletal imaging and abdominal imaging.

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

abdominal imaging	195
brain imaging (neuroimaging)	131
CT scan	430
hip imaging	42
MRI (magnetic resonance imaging)	73
musculoskeletal imaging	328
nuclear scan	35
pelvic imaging	167
spinal procedures	138
thoracic (chest) imaging	96
ultrasound (sonogram)	101
vascular procedures	45
X-rays	347

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	806
Female	1061

**Ethnicity**
Non-Hispanic White	1706
Black	0
Hispanic	0
Asian	19
Other	61
Native American	62

**Age**
From 65 to 74	859
From 75 to 84	530
85 and over	237
Less than 65	241

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	31
Depression	33
Chronic Kidney Disease	28
Asthma	13
Osteoperosis	19
Atrial Fibrilation	25
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	9
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Timothy S. Chen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Timothy S. Chen, MD treated as a diagnostic radiologist in Appleton, WI were X-rays, thoracic (chest) imaging, CT scan and musculoskeletal imaging.

abdominal imaging	153
brain imaging (neuroimaging)	73
CT scan	286
hip imaging	52
MRI (magnetic resonance imaging)	71
musculoskeletal imaging	169
neck imaging	11
nuclear scan	25
pelvic imaging	134
spinal procedures	87
thoracic (chest) imaging	402
ultrasound (sonogram)	68
vascular procedures	45
X-rays	533

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Timothy S. Chen, MD.

**Gender**
Male	707
Female	862

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	8
Non-Hispanic White	1426
Hispanic	16
Native American / Alaskan Native	65
Other	31

**Age**
75 to 84	408
85 and over	235
Less than 65	280
65 to 74	645

Average of Total of Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD From 2012 - 2022

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

Hypertension	62
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	32
Depression	27
Chronic Kidney Disease	32
Asthma	12
Osteoporosis	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Atrial Fibrillation	15
Cancer	12
Dementia	9

Education & Training

Dr. Timothy S. Chen, MD graduated from Indiana University School of Medicine in 1999. He has a state license in Wisconsin.

Medical School: Indiana University School of Medicine (1999)

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. Timothy S. Chen, MD is associated with these hospitals and organizations:

RADIOLOGY ASSOCIATES OF APPLETON SC

Ratings & Reviews

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Biography

Dr. Timothy Chen's area of specialization is diagnostic radiology. Dr. Chen is a graduate of Indiana University School of Medicine.

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Dr. Timothy S. Chen, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Timothy S. Chen, MD in 2023

By Volume:

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. Timothy S. Chen, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Timothy S. Chen, MD 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. Timothy S. Chen, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

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