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Dr. Gerald Brian Holtz, MD

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Specializes in: Diagnostic Radiology

Northwestern University, Feinberg School of Medicine

333 Mercy Avenue
Merced, CA 95340

(209) 564-5000

Dr. Gerald Brian Holtz, MD is a diagnostic radiologist in Merced, CA specializing in diagnostic radiology. He graduated from Northwestern University, Feinberg School of Medicine. Dr. Gerald Brian Holtz, MD is affiliated with Mercy Medical Center Merced, AHMC Healthcare, Dignity Health and Montclair Hospital Medical Center.

Office Locations

Dignity Health

333 Mercy Avenue
Merced, CA 95340

(209) 564-5000

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Noteworthy Medicare Patient Procedures Performed by Dr. Gerald Brian Holtz, MD in 2023

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

Top 25%

By Volume:

pelvic CT scan

In 2012, Dr. Gerald Brian Holtz, MD performed more pelvic CT scan procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA during 2012 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

abdominal imaging	633
brain imaging (neuroimaging)	459
breast procedures	265
CT scan	1149
diagnostic imaging	37
gastrointestinal procedures	12
hip imaging	178
MRI (magnetic resonance imaging)	127
musculoskeletal imaging	349
neck imaging	38
nuclear scan	22
pelvic imaging	512
preventive care	212
spinal procedures	184
thoracic (chest) imaging	2047
ultrasound (sonogram)	465
vascular procedures	227
women's imaging	282
X-rays	2701

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA during 2013 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

abdominal imaging	686
aspiration	31
brain imaging (neuroimaging)	370
breast procedures	170
CT scan	1204
diagnostic procedures	31
gastrointestinal procedures	19
hip imaging	186
image guided procedures	31
lymph node procedures	11
minimally invasive procedures	31
minor procedures	31
MRI (magnetic resonance imaging)	62
musculoskeletal imaging	353
neck imaging	52
nuclear scan	33
pelvic imaging	609
preventive care	170
spinal procedures	175
thoracic (chest) imaging	1775
ultrasound (sonogram)	401
vascular procedures	194
women's imaging	186
X-rays	2359

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Brian Holtz, MD.

**Gender**
Male	1336
Female	2135

**Ethnicity**
Non-Hispanic White	3092
Black	99
Hispanic	142
Asian	98
Other	40
Native American	0

**Age**
From 65 to 74	1350
From 75 to 84	1109
85 and over	620
Less than 65	392

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2013

Hypertension	75
High Cholesterol	64
Stroke	11
Ischemic Heart Disease	39
Depression	31
Chronic Kidney Disease	31
Asthma	13
Osteoperosis	14
Atrial Fibrilation	21
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	16
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA during 2014 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

abdominal imaging	396
aspiration	33
brain imaging (neuroimaging)	192
breast procedures	69
CT scan	661
diagnostic procedures	33
gastrointestinal procedures	23
hip imaging	155
image guided procedures	33
minimally invasive procedures	33
minor procedures	33
MRI (magnetic resonance imaging)	35
musculoskeletal imaging	248
neck imaging	48
nuclear scan	22
pelvic imaging	331
preventive care	69
spinal procedures	150
thoracic (chest) imaging	1374
ultrasound (sonogram)	279
vascular procedures	134
women's imaging	69
X-rays	1861

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Brian Holtz, MD.

**Gender**
Male	1096
Female	1580

**Ethnicity**
Non-Hispanic White	2349
Black	77
Hispanic	119
Asian	94
Other	0
Native American	0

**Age**
From 65 to 74	1067
From 75 to 84	856
85 and over	483
Less than 65	270

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	38
Depression	30
Chronic Kidney Disease	28
Asthma	11
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	26
Chronic Obstructive Pulmonary Disease	21
Diabetes	31
Dementia	14
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA during 2016 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

abdominal imaging	503
brain imaging (neuroimaging)	290
CT scan	739
MRI (magnetic resonance imaging)	138
musculoskeletal imaging	138
neck imaging	56
pelvic imaging	394
spinal procedures	127
thoracic (chest) imaging	1495
ultrasound (sonogram)	481
vascular procedures	322
women's imaging	16
X-rays	1615

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Brian Holtz, MD.

**Gender**
Male	1176
Female	1728

**Ethnicity**
Non-Hispanic White	1854
Black	842
Hispanic	154
Asian	0
Other	35
Native American	0

**Age**
From 65 to 74	948
From 75 to 84	790
85 and over	468
Less than 65	698

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2016

Hypertension	75
High Cholesterol	65
Stroke	13
Ischemic Heart Disease	52
Depression	35
Chronic Kidney Disease	55
Asthma	38
Osteoperosis	11
Atrial Fibrilation	23
Heart Failure	45
Chronic Obstructive Pulmonary Disease	35
Diabetes	48
Dementia	23
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA during 2017 were X-rays, thoracic (chest) imaging, CT scan and women's imaging.

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

abdominal imaging	625
brain imaging (neuroimaging)	143
breast procedures	657
CT scan	814
diagnostic imaging	77
musculoskeletal imaging	154
neck imaging	16
nuclear scan	19
pelvic imaging	460
preventive care	508
spinal procedures	57
thoracic (chest) imaging	1792
ultrasound (sonogram)	489
vascular procedures	186
women's imaging	673
X-rays	2394

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Brian Holtz, MD.

**Gender**
Male	1134
Female	1915

**Ethnicity**
Non-Hispanic White	2188
Black	678
Hispanic	126
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	1201
From 75 to 84	819
85 and over	439
Less than 65	590

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2017

Hypertension	75
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	47
Depression	29
Chronic Kidney Disease	50
Asthma	12
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	37
Chronic Obstructive Pulmonary Disease	28
Diabetes	43
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA during 2018 were women's imaging, breast procedures, X-rays and CT scan.

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

abdominal imaging	557
brain imaging (neuroimaging)	257
breast procedures	1019
cardiac procedures	15
CT scan	860
diagnostic imaging	149
MRI (magnetic resonance imaging)	91
musculoskeletal imaging	134
neck imaging	22
nuclear scan	37
pelvic imaging	423
preventive care	704
spinal procedures	98
stress testing	15
thoracic (chest) imaging	181
ultrasound (sonogram)	501
vascular procedures	111
women's imaging	1036
X-rays	978

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Brian Holtz, MD.

**Gender**
Male	881
Female	1813

**Ethnicity**
Non-Hispanic White	1969
Black	436
Hispanic	202
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	1132
From 75 to 84	759
85 and over	299
Less than 65	504

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	41
Depression	27
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA during 2019 were women's imaging, breast procedures, X-rays and preventive care.

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

abdominal imaging	609
brain imaging (neuroimaging)	302
breast procedures	1299
CT scan	1025
diagnostic imaging	116
hip imaging	15
MRI (magnetic resonance imaging)	117
musculoskeletal imaging	107
neck imaging	47
pelvic imaging	323
preventive care	1072
spinal procedures	127
thoracic (chest) imaging	339
ultrasound (sonogram)	783
vascular procedures	313
women's imaging	1299
X-rays	1238

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Brian Holtz, MD.

**Gender**
Male	782
Female	1990

**Ethnicity**
Non-Hispanic White	1716
Black	548
Hispanic	398
Asian	72
Other	0
Native American	0

**Age**
From 65 to 74	1187
From 75 to 84	836
85 and over	343
Less than 65	406

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	10
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	28
Chronic Obstructive Pulmonary Disease	27
Diabetes	42
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA during 2020 were women's imaging, breast procedures, X-rays and CT scan.

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

abdominal imaging	354
brain imaging (neuroimaging)	186
breast procedures	745
CT scan	606
diagnostic imaging	90
MRI (magnetic resonance imaging)	87
musculoskeletal imaging	50
neck imaging	13
pelvic imaging	202
preventive care	586
spinal procedures	88
thoracic (chest) imaging	230
ultrasound (sonogram)	516
vascular procedures	225
women's imaging	745
X-rays	708

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Brian Holtz, MD.

**Gender**
Male	591
Female	1338

**Ethnicity**
Non-Hispanic White	1176
Black	410
Hispanic	274
Asian	42
Other	27
Native American	0

**Age**
From 65 to 74	791
From 75 to 84	590
85 and over	242
Less than 65	306

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2020

Hypertension	75
High Cholesterol	69
Stroke	9
Ischemic Heart Disease	40
Depression	27
Chronic Kidney Disease	47
Asthma	12
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	31
Chronic Obstructive Pulmonary Disease	28
Diabetes	42
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA during 2021 were breast procedures, women's imaging, CT scan and ultrasound (sonogram).

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

abdominal imaging	42
breast procedures	99
CT scan	74
pelvic imaging	42
preventive care	49
thoracic (chest) imaging	32
ultrasound (sonogram)	50
women's imaging	99
X-rays	49

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Brian Holtz, MD.

**Gender**
Male	134
Female	241

**Ethnicity**
Non-Hispanic White	282
Black	52
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	125
85 and over	57
Less than 65	52

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2021

Hypertension	75
High Cholesterol	69
Stroke	10
Ischemic Heart Disease	46
Depression	32
Chronic Kidney Disease	51
Asthma	12
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	38
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Dementia	24
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA during 2022 were CT scan, abdominal imaging, pelvic imaging and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

abdominal imaging	311
brain imaging (neuroimaging)	179
CT scan	594
MRI (magnetic resonance imaging)	14
musculoskeletal imaging	12
pelvic imaging	264
spinal procedures	85
thoracic (chest) imaging	81
ultrasound (sonogram)	73
vascular procedures	26
X-rays	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gerald Brian Holtz, MD.

**Gender**
Male	576
Female	651

**Ethnicity**
Non-Hispanic White	631
Black	163
Hispanic	292
Asian	101
Other	29
Native American	11

**Age**
From 65 to 74	392
From 75 to 84	369
85 and over	227
Less than 65	239

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	46
Depression	35
Chronic Kidney Disease	47
Asthma	18
Osteoperosis	13
Atrial Fibrilation	31
Heart Failure	46
Chronic Obstructive Pulmonary Disease	40
Diabetes	56
Dementia	26
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gerald Brian Holtz, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gerald Brian Holtz, MD treated as a diagnostic radiologist in Merced, CA were X-rays, thoracic (chest) imaging, CT scan and breast procedures.

abdominal imaging	471
aspiration	32
brain imaging (neuroimaging)	264
breast procedures	540
cardiac procedures	15
CT scan	772
diagnostic imaging	93
diagnostic procedures	32
gastrointestinal procedures	18
hip imaging	133
image guided procedures	32
lymph node procedures	11
minimally invasive procedures	32
minor procedures	32
MRI (magnetic resonance imaging)	83
musculoskeletal imaging	171
neck imaging	36
nuclear scan	26
pelvic imaging	356
preventive care	421
spinal procedures	121
stress testing	15
thoracic (chest) imaging	934
ultrasound (sonogram)	403
vascular procedures	193
women's imaging	489
X-rays	1392

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gerald Brian Holtz, MD.

**Gender**
Male	770
Female	1339

**Ethnicity**
Black / African American	330
Asian / Pacific Islander	45
Non-Hispanic White	1525
Native American / Alaskan Native	1
Hispanic	173
Other	16

**Age**
75 to 84	625
85 and over	317
Less than 65	345
65 to 74	820

Average of Total of Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD From 2012 - 2022

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

Hypertension	67
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	38
Depression	27
Chronic Kidney Disease	39
Asthma	13
Osteoporosis	10
Heart Failure	30
Chronic Obstructive Pulmonary Disease	25
Diabetes	37
Atrial Fibrillation	17
Dementia	17
Cancer	13

Education & Training

Dr. Gerald Brian Holtz, MD graduated from Northwestern University, Feinberg School of Medicine. He completed residency at John Stroger Hospital of Cook County. He is certified by the Radiology Diagnostic Radiology and has a state license in Illinois.

Medical School: Northwestern University, Feinberg School of Medicine

Residency: John Stroger Hospital of Cook County

Board Certification: Radiology Diagnostic Radiology

Licensed In: Illinois

Affiliations & Hospitals

Dr. Gerald Brian Holtz, MD is associated with these hospitals and organizations:

Mercy Medical Center Merced

AHMC Healthcare

Dignity Health

Montclair Hospital Medical Center

Ratings & Reviews

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Biography

Dr. Gerald Holtz's area of specialization is diagnostic radiology. He graduated from Northwestern University, Feinberg School of Medicine. Dr. Holtz's residency was performed at Advocate Lutheran General Hospital, John Stroger Hospital of Cook County, and a hospital affiliated with the University of Illinois. His professional affiliations include AHMC Healthcare, Adventist Health Tulare, and Montclair Hospital Medical Center. Unfortunately, according to Dignity Health, he is not currently accepting new patients.

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Dr. Gerald Brian Holtz, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Gerald Brian Holtz, 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. Gerald Brian Holtz, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2014

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gerald Brian Holtz, 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. Gerald Brian Holtz, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

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