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Dr. Robert Rex Dietz, MD

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Specializes in: Diagnostic Radiology and Neuroradiology

2900 12th Avenue N Suite 210w
Billings, MT 59101

(406) 237-5862

Dr. Robert Rex Dietz, MD is a diagnostic radiologist in Billings, MT specializing in diagnostic radiology and neuroradiology.

Office Locations

2900 12th Avenue N Suite 210w
Billings, MT 59101

(406) 237-5862

(406) 238-6068

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Noteworthy Medicare Patient Procedures Performed by Dr. Robert Rex Dietz, MD in 2023

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

Top 25%

By Affordability:

MRI

In 2012, Dr. Robert Rex Dietz, MD had a list price for MRI (magnetic resonance imaging) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Montana. 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. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2012 were X-rays, thoracic (chest) imaging, CT scan and vascular procedures.

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	255
ablation	119
aspiration	12
brain imaging (neuroimaging)	295
cardiac procedures	18
CT scan	499
doctor visit	21
hip imaging	66
injections	77
laser treatment	21
minimally invasive procedures	119
MRI (magnetic resonance imaging)	204
musculoskeletal imaging	139
neck imaging	14
nuclear scan	18
pelvic imaging	219
pleural drainage	12
spinal procedures	329
stress testing	18
thoracic (chest) imaging	1004
ultrasound (sonogram)	321
vascular procedures	389
X-rays	1383

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2013 were X-rays, thoracic (chest) imaging, CT scan and spinal procedures.

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	290
ablation	64
aspiration	12
brain imaging (neuroimaging)	380
CT scan	514
doctor visit	13
gastrointestinal procedures	13
hip imaging	122
injections	36
laser treatment	14
minimally invasive procedures	64
MRI (magnetic resonance imaging)	420
musculoskeletal imaging	307
neck imaging	15
pelvic imaging	218
pleural drainage	12
spinal procedures	429
thoracic (chest) imaging	1162
ultrasound (sonogram)	310
vascular procedures	298
X-rays	1709

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	1119
Female	1403

**Ethnicity**
Non-Hispanic White	2306
Black	0
Hispanic	54
Asian	0
Other	23
Native American	124

**Age**
From 65 to 74	965
From 75 to 84	794
85 and over	369
Less than 65	394

Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD in 2013

Hypertension	68
High Cholesterol	48
Stroke	8
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2014 were X-rays, thoracic (chest) imaging, CT scan and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	261
ablation	25
aspiration	13
brain imaging (neuroimaging)	396
CT scan	532
gastrointestinal procedures	20
hip imaging	132
injections	40
minimally invasive procedures	25
MRI (magnetic resonance imaging)	512
musculoskeletal imaging	383
neck imaging	14
nerve block	15
pain management	15
pelvic imaging	215
pleural drainage	13
spinal procedures	443
thoracic (chest) imaging	1045
ultrasound (sonogram)	200
vascular procedures	190
X-rays	1521

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	1062
Female	1417

**Ethnicity**
Non-Hispanic White	2247
Black	0
Hispanic	50
Asian	0
Other	34
Native American	128

**Age**
From 65 to 74	1045
From 75 to 84	719
85 and over	332
Less than 65	383

Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD in 2014

Hypertension	66
High Cholesterol	47
Stroke	9
Ischemic Heart Disease	32
Depression	31
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2015 were X-rays, thoracic (chest) imaging, CT scan and spinal procedures.

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	333
aspiration	30
brain imaging (neuroimaging)	349
CT scan	610
gastrointestinal procedures	18
hip imaging	112
injections	36
MRI (magnetic resonance imaging)	340
musculoskeletal imaging	280
neck imaging	27
nerve block	20
pain management	20
pelvic imaging	292
pleural drainage	14
spinal procedures	360
thoracic (chest) imaging	1428
ultrasound (sonogram)	195
vascular procedures	117
X-rays	1821

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	2278
Female	2736

**Ethnicity**
Non-Hispanic White	4446
Black	0
Hispanic	114
Asian	0
Other	0
Native American	358

**Age**
From 65 to 74	1946
From 75 to 84	1564
85 and over	736
Less than 65	768

Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD in 2015

Hypertension	69
High Cholesterol	47
Stroke	9
Ischemic Heart Disease	33
Depression	33
Chronic Kidney Disease	33
Asthma	17
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	26
Diabetes	32
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2016 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	394
aspiration	14
brain imaging (neuroimaging)	448
cardiac procedures	50
CT scan	745
gastrointestinal procedures	21
hip imaging	15
injections	26
MRI (magnetic resonance imaging)	402
musculoskeletal imaging	232
neck imaging	42
nerve block	12
nuclear scan	66
pain management	12
pelvic imaging	299
spinal procedures	424
stress testing	50
thoracic (chest) imaging	1481
ultrasound (sonogram)	220
vascular procedures	129
X-rays	1863

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	1270
Female	1624

**Ethnicity**
Non-Hispanic White	2611
Black	0
Hispanic	42
Asian	0
Other	37
Native American	190

**Age**
From 65 to 74	1167
From 75 to 84	876
85 and over	430
Less than 65	421

Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD in 2016

Hypertension	68
High Cholesterol	44
Stroke	7
Ischemic Heart Disease	33
Depression	31
Chronic Kidney Disease	36
Asthma	26
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	24
Diabetes	31
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2017 were X-rays, thoracic (chest) imaging, CT scan and spinal procedures.

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	303
aspiration	13
brain imaging (neuroimaging)	371
cardiac procedures	21
CT scan	566
gastrointestinal procedures	14
hip imaging	14
MRI (magnetic resonance imaging)	356
musculoskeletal imaging	134
neck imaging	13
nuclear scan	46
pelvic imaging	218
pleural drainage	13
spinal procedures	375
stress testing	21
thoracic (chest) imaging	1131
ultrasound (sonogram)	167
vascular procedures	104
X-rays	1343

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	1066
Female	1287

**Ethnicity**
Non-Hispanic White	2122
Black	0
Hispanic	50
Asian	0
Other	37
Native American	131

**Age**
From 65 to 74	948
From 75 to 84	720
85 and over	368
Less than 65	317

Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD in 2017

Hypertension	70
High Cholesterol	36
Stroke	8
Ischemic Heart Disease	37
Depression	31
Chronic Kidney Disease	40
Asthma	8
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	25
Diabetes	31
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2018 were CT scan, X-rays, spinal procedures and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	107
brain imaging (neuroimaging)	131
cardiac procedures	13
CT scan	248
MRI (magnetic resonance imaging)	128
musculoskeletal imaging	52
neck imaging	12
nuclear scan	25
pelvic imaging	101
spinal procedures	169
stress testing	13
thoracic (chest) imaging	79
ultrasound (sonogram)	26
X-rays	170

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	657
Female	737

**Ethnicity**
Non-Hispanic White	1256
Black	0
Hispanic	26
Asian	0
Other	0
Native American	82

**Age**
From 65 to 74	549
From 75 to 84	465
85 and over	190
Less than 65	190

Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD in 2018

Hypertension	69
High Cholesterol	44
Stroke	7
Ischemic Heart Disease	40
Depression	33
Chronic Kidney Disease	43
Asthma	8
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	30
Chronic Obstructive Pulmonary Disease	26
Diabetes	32
Dementia	12
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2019 were CT scan, X-rays, spinal procedures and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	153
brain imaging (neuroimaging)	195
CT scan	354
MRI (magnetic resonance imaging)	127
musculoskeletal imaging	73
neck imaging	16
nuclear scan	11
pelvic imaging	115
spinal procedures	299
thoracic (chest) imaging	93
ultrasound (sonogram)	84
vascular procedures	40
X-rays	325

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	900
Female	967

**Ethnicity**
Non-Hispanic White	1679
Black	0
Hispanic	34
Asian	0
Other	28
Native American	113

**Age**
From 65 to 74	778
From 75 to 84	594
85 and over	252
Less than 65	243

Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD in 2019

Hypertension	67
High Cholesterol	44
Stroke	6
Ischemic Heart Disease	40
Depression	33
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	27
Chronic Obstructive Pulmonary Disease	23
Diabetes	30
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2020 were CT scan, X-rays, spinal procedures and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	157
brain imaging (neuroimaging)	199
cardiac procedures	12
CT scan	388
MRI (magnetic resonance imaging)	93
musculoskeletal imaging	41
neck imaging	14
nuclear scan	12
pelvic imaging	140
spinal procedures	239
stress testing	12
thoracic (chest) imaging	101
ultrasound (sonogram)	90
vascular procedures	50
X-rays	253

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	853
Female	967

**Ethnicity**
Non-Hispanic White	1637
Black	0
Hispanic	28
Asian	0
Other	36
Native American	104

**Age**
From 65 to 74	767
From 75 to 84	551
85 and over	260
Less than 65	242

Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD in 2020

Hypertension	70
High Cholesterol	47
Stroke	8
Ischemic Heart Disease	41
Depression	34
Chronic Kidney Disease	45
Asthma	8
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	28
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2021 were CT scan, X-rays, spinal procedures and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	129
brain imaging (neuroimaging)	179
CT scan	275
MRI (magnetic resonance imaging)	106
musculoskeletal imaging	28
pelvic imaging	111
spinal procedures	222
thoracic (chest) imaging	69
ultrasound (sonogram)	67
vascular procedures	30
X-rays	228

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	679
Female	791

**Ethnicity**
Non-Hispanic White	1348
Black	0
Hispanic	0
Asian	0
Other	32
Native American	68

**Age**
From 65 to 74	632
From 75 to 84	491
85 and over	214
Less than 65	133

Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD in 2021

Hypertension	69
High Cholesterol	49
Stroke	6
Ischemic Heart Disease	41
Depression	32
Chronic Kidney Disease	44
Asthma	9
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT during 2022 were CT scan, X-rays, spinal procedures and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

abdominal imaging	137
brain imaging (neuroimaging)	154
CT scan	315
MRI (magnetic resonance imaging)	117
musculoskeletal imaging	72
pelvic imaging	134
spinal procedures	289
thoracic (chest) imaging	80
ultrasound (sonogram)	18
X-rays	297

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	672
Female	796

**Ethnicity**
Non-Hispanic White	1348
Black	0
Hispanic	0
Asian	0
Other	38
Native American	58

**Age**
From 65 to 74	628
From 75 to 84	497
85 and over	200
Less than 65	143

Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD in 2022

Hypertension	75
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	31
Depression	30
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	18
Atrial Fibrilation	22
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	31
Dementia	7
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Robert Rex Dietz, MD for Medicare patients.

The highest averages for the top procedures that Dr. Robert Rex Dietz, MD treated as a diagnostic radiologist in Billings, MT were X-rays, thoracic (chest) imaging, CT scan and spinal procedures.

abdominal imaging	229
ablation	69
aspiration	15
brain imaging (neuroimaging)	281
cardiac procedures	22
CT scan	458
doctor visit	17
gastrointestinal procedures	17
hip imaging	76
injections	43
laser treatment	17
minimally invasive procedures	69
MRI (magnetic resonance imaging)	255
musculoskeletal imaging	158
neck imaging	18
nerve block	15
nuclear scan	29
pain management	15
pelvic imaging	187
pleural drainage	12
spinal procedures	325
stress testing	22
thoracic (chest) imaging	697
ultrasound (sonogram)	154
vascular procedures	149
X-rays	992

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Robert Rex Dietz, MD.

**Gender**
Male	959
Female	1156

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	1909
Native American / Alaskan Native	123
Hispanic	36
Other	24

**Age**
75 to 84	661
85 and over	304
Less than 65	294
65 to 74	856

Average of Total of Conditions of Medicare patients treated by Dr. Robert Rex Dietz, MD From 2012 - 2022

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

Hypertension	62
High Cholesterol	42
Stroke	7
Ischemic Heart Disease	32
Depression	28
Chronic Kidney Disease	33
Asthma	10
Osteoporosis	10
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	28
Atrial Fibrillation	15
Dementia	10
Cancer	13

Education & Training

He has a state license in Montana.

Licensed In: Montana

Ratings & Reviews

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Biography

Dr. Robert Dietz, who practices in Billings, MT, is a medical specialist in neuroradiology and diagnostic radiology. Dr. Dietz has obtained a license to practice in Montana.