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Dr. Daniel Leon Gianella, MD

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Specializes in: Diagnostic Radiology and Neuroradiology

University of California, Los Angeles (UCLA), David Geffen School of Medicine

18436 Roscoe Boulevard
Northridge, CA 91325

1-855-504-4544

Dr. Daniel Leon Gianella, MD is a diagnostic radiologist in Glendale, CA specializing in diagnostic radiology and neuroradiology. He graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine. Dr. Daniel Leon Gianella, MD is affiliated with Dignity Health and St Mary Medical Center Long Beach Glendale Memorial Hospital and Health Center California Hospital Medical Center Northridge Hospital Medical Center.

Office Locations

St Mary Medical Center Long Beach Glendale Memorial Hospital and Health Center California Hospital Medical Center Northridge Hospital Medical Center

1420 S Central Avenue Gmh Radiology Department
Glendale, CA 91204

(818) 502-2327

(818) 502-4754

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St Mary Medical Center Long Beach Glendale Memorial Hospital and Health Center California Hospital Medical Center Northridge Hospital Medical Center

18436 Roscoe Boulevard
Northridge, CA 91325

1-855-504-4544

(805) 577-2018

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2801 Atlantic Avenue
Long Beach, CA 90806

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4100 Gaurdian Street Suite 205
Simi Valley, CA 93063

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Noteworthy Medicare Patient Procedures Performed by Dr. Daniel Leon Gianella, MD in 2023

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

Top 10%

By Volume:

spine imaging

In 2023, Dr. Daniel Leon Gianella, MD performed more spine imaging procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

In 2012, Dr. Daniel Leon Gianella, MD performed more abdominal imaging, brain imaging (neuroimaging), chest CT scan, CT scan, MRI (magnetic resonance imaging), neck imaging, and 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. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA during 2012 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

abdominal imaging	385
aspiration	27
brain imaging (neuroimaging)	485
breast procedures	17
cardiac procedures	26
CT scan	754
gastrointestinal procedures	16
hip imaging	55
MRI (magnetic resonance imaging)	242
musculoskeletal imaging	187
neck imaging	30
nuclear scan	39
pelvic imaging	292
pleural drainage	27
preventive care	17
spinal procedures	228
stress testing	26
thoracic (chest) imaging	1414
ultrasound (sonogram)	407
vascular procedures	259
women's imaging	35
X-rays	1619

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA during 2014 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

abdominal imaging	535
brain imaging (neuroimaging)	583
CT scan	1033
gastrointestinal procedures	25
hip imaging	70
MRI (magnetic resonance imaging)	352
musculoskeletal imaging	144
neck imaging	64
pelvic imaging	401
sinus imaging	15
spinal procedures	374
thoracic (chest) imaging	1652
ultrasound (sonogram)	286
vascular procedures	138
women's imaging	13
X-rays	1924

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Male	1117
Female	1735

**Ethnicity**
Non-Hispanic White	2120
Black	436
Hispanic	244
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	1130
From 75 to 84	785
85 and over	437
Less than 65	500

Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD in 2014

Hypertension	75
High Cholesterol	65
Stroke	16
Ischemic Heart Disease	53
Depression	32
Chronic Kidney Disease	43
Asthma	13
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	40
Chronic Obstructive Pulmonary Disease	31
Diabetes	43
Dementia	24
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA during 2015 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

abdominal imaging	378
brain imaging (neuroimaging)	428
CT scan	703
gastrointestinal procedures	36
hip imaging	36
MRI (magnetic resonance imaging)	300
musculoskeletal imaging	70
neck imaging	61
pelvic imaging	251
spinal procedures	267
thoracic (chest) imaging	725
ultrasound (sonogram)	204
vascular procedures	129
X-rays	877

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Male	1604
Female	2596

**Ethnicity**
Non-Hispanic White	3174
Black	560
Hispanic	370
Asian	56
Other	0
Native American	0

**Age**
From 65 to 74	1648
From 75 to 84	1254
85 and over	670
Less than 65	628

Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD in 2015

Hypertension	75
High Cholesterol	65
Stroke	16
Ischemic Heart Disease	49
Depression	32
Chronic Kidney Disease	44
Asthma	17
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	35
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	24
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Male	35
Female	66

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

**Age**
From 65 to 74	65
From 75 to 84	0
85 and over	0
Less than 65	17

Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD in 2016

Hypertension	56
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	23
Depression	17
Chronic Kidney Disease	42
Asthma	18
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	42
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA during 2017 were MRI (magnetic resonance imaging), spinal procedures and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

brain imaging (neuroimaging)	14
MRI (magnetic resonance imaging)	28
spinal procedures	14

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Male	49
Female	67

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

**Age**
From 65 to 74	67
From 75 to 84	0
85 and over	0
Less than 65	25

Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD in 2017

Hypertension	58
High Cholesterol	29
Stroke	0
Ischemic Heart Disease	22
Depression	0
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	38
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA during 2018 were CT scan, brain imaging (neuroimaging), spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

abdominal imaging	318
brain imaging (neuroimaging)	1150
CT scan	1631
MRI (magnetic resonance imaging)	455
neck imaging	53
pelvic imaging	318
spinal procedures	525
thoracic (chest) imaging	92
ultrasound (sonogram)	16
vascular procedures	89
X-rays	13

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Male	829
Female	1181

**Ethnicity**
Non-Hispanic White	1234
Black	139
Hispanic	471
Asian	126
Other	0
Native American	0

**Age**
From 65 to 74	659
From 75 to 84	612
85 and over	456
Less than 65	283

Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	17
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	56
Asthma	16
Osteoperosis	16
Atrial Fibrilation	18
Heart Failure	39
Chronic Obstructive Pulmonary Disease	24
Diabetes	47
Dementia	25
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA during 2019 were CT scan, brain imaging (neuroimaging), abdominal imaging and pelvic imaging.

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

abdominal imaging	880
brain imaging (neuroimaging)	982
breast procedures	54
CT scan	1847
diagnostic procedures	15
gastrointestinal procedures	28
MRI (magnetic resonance imaging)	530
musculoskeletal imaging	115
neck imaging	82
pelvic imaging	650
preventive care	54
spinal procedures	492
thoracic (chest) imaging	352
ultrasound (sonogram)	532
vascular procedures	318
women's imaging	54
X-rays	335

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Male	1613
Female	2105

**Ethnicity**
Non-Hispanic White	1674
Black	96
Hispanic	1663
Asian	217
Other	0
Native American	0

**Age**
From 65 to 74	1439
From 75 to 84	1085
85 and over	697
Less than 65	497

Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD in 2019

Hypertension	75
High Cholesterol	71
Stroke	12
Ischemic Heart Disease	44
Depression	28
Chronic Kidney Disease	51
Asthma	10
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	33
Chronic Obstructive Pulmonary Disease	23
Diabetes	49
Dementia	22
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA during 2020 were CT scan, brain imaging (neuroimaging), abdominal imaging and X-rays.

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

abdominal imaging	494
brain imaging (neuroimaging)	549
breast procedures	195
CT scan	1062
diagnostic imaging	27
hip imaging	16
MRI (magnetic resonance imaging)	303
musculoskeletal imaging	211
neck imaging	72
pelvic imaging	342
preventive care	129
spinal procedures	272
thoracic (chest) imaging	240
ultrasound (sonogram)	435
vascular procedures	154
women's imaging	208
X-rays	455

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Male	1098
Female	1618

**Ethnicity**
Non-Hispanic White	1223
Black	55
Hispanic	1241
Asian	139
Other	0
Native American	0

**Age**
From 65 to 74	1114
From 75 to 84	750
85 and over	428
Less than 65	424

Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD in 2020

Hypertension	75
High Cholesterol	70
Stroke	11
Ischemic Heart Disease	39
Depression	27
Chronic Kidney Disease	46
Asthma	10
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	20
Diabetes	47
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA during 2021 were CT scan, brain imaging (neuroimaging), spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

brain imaging (neuroimaging)	744
breast procedures	14
CT scan	761
MRI (magnetic resonance imaging)	473
musculoskeletal imaging	79
neck imaging	33
preventive care	14
spinal procedures	504
vascular procedures	19
women's imaging	14
X-rays	184

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Male	749
Female	1036

**Ethnicity**
Non-Hispanic White	912
Black	214
Hispanic	415
Asian	170
Other	0
Native American	0

**Age**
From 65 to 74	647
From 75 to 84	552
85 and over	338
Less than 65	248

Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD in 2021

Hypertension	75
High Cholesterol	72
Stroke	23
Ischemic Heart Disease	56
Depression	40
Chronic Kidney Disease	56
Asthma	11
Osteoperosis	16
Atrial Fibrilation	15
Heart Failure	41
Chronic Obstructive Pulmonary Disease	25
Diabetes	50
Dementia	33
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA during 2022 were CT scan, brain imaging (neuroimaging), spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

brain imaging (neuroimaging)	1048
CT scan	1162
MRI (magnetic resonance imaging)	622
musculoskeletal imaging	110
neck imaging	36
pelvic imaging	17
spinal procedures	800
X-rays	313

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Male	968
Female	1389

**Ethnicity**
Non-Hispanic White	1366
Black	202
Hispanic	516
Asian	171
Other	0
Native American	0

**Age**
From 65 to 74	915
From 75 to 84	712
85 and over	430
Less than 65	300

Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	28
Ischemic Heart Disease	39
Depression	34
Chronic Kidney Disease	37
Asthma	14
Osteoperosis	21
Atrial Fibrilation	25
Heart Failure	32
Chronic Obstructive Pulmonary Disease	25
Diabetes	48
Dementia	22
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA during 2023 were CT scan, MRI (magnetic resonance imaging), spinal procedures and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

abdominal imaging	555
brain imaging (neuroimaging)	682
CT scan	1323
eye procedures	31
lab tests	31
MRI (magnetic resonance imaging)	793
musculoskeletal imaging	29
neck imaging	122
nuclear scan	11
pelvic imaging	392
spinal procedures	692
thoracic (chest) imaging	361
ultrasound (sonogram)	380
vascular procedures	122
women's imaging	17
X-rays	91

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Male	1391
Female	1868

**Ethnicity**
Non-Hispanic White	2907
Black	64
Hispanic	140
Asian	21
Other	127
Native American	0

**Age**
From 65 to 74	1006
From 75 to 84	1394
85 and over	769
Less than 65	90

Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	50
Depression	33
Chronic Kidney Disease	33
Asthma	14
Osteoperosis	25
Atrial Fibrilation	29
Heart Failure	23
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	15
Cancer	25

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Daniel Leon Gianella, MD for Medicare patients.

The highest averages for the top procedures that Dr. Daniel Leon Gianella, MD treated as a diagnostic radiologist in Glendale, CA were CT scan, thoracic (chest) imaging, brain imaging (neuroimaging) and X-rays.

abdominal imaging	506
aspiration	27
brain imaging (neuroimaging)	666
breast procedures	70
cardiac procedures	26
CT scan	1141
diagnostic imaging	27
diagnostic procedures	15
eye procedures	31
gastrointestinal procedures	26
hip imaging	44
lab tests	31
MRI (magnetic resonance imaging)	409
musculoskeletal imaging	118
neck imaging	61
nuclear scan	25
pelvic imaging	332
pleural drainage	27
preventive care	53
sinus imaging	15
spinal procedures	416
stress testing	26
thoracic (chest) imaging	690
ultrasound (sonogram)	322
vascular procedures	153
women's imaging	56
X-rays	645

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Daniel Leon Gianella, MD.

**Gender**
Female	1241
Male	859

**Ethnicity**
Black / African American	173
Asian / Pacific Islander	84
Non-Hispanic White	1328
Native American / Alaskan Native	0
Hispanic	460
Other	11

**Age**
75 to 84	649
85 and over	384
Less than 65	273
65 to 74	790

Average of Total of Conditions of Medicare patients treated by Dr. Daniel Leon Gianella, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Daniel Leon Gianella, MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	64
High Cholesterol	58
Stroke	12
Ischemic Heart Disease	38
Depression	24
Chronic Kidney Disease	40
Asthma	11
Osteoporosis	11
Heart Failure	27
Chronic Obstructive Pulmonary Disease	20
Diabetes	39
Atrial Fibrillation	14
Dementia	16
Cancer	12

Education & Training

Dr. Daniel Leon Gianella, MD graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine. He completed residency at Loma Linda University Medical Center. He is certified by the Radiology (Sub: Neuroradiology) Radiology Diagnostic Radiology and has a state license in California.

Medical School: University of California, Los Angeles (UCLA), David Geffen School of Medicine

Residency: Loma Linda University Medical Center

Board Certification: Radiology (Sub: Neuroradiology) Radiology Diagnostic Radiology

Licensed In: California

Affiliations & Hospitals

Dr. Daniel Leon Gianella, MD is associated with these hospitals and organizations:

Dignity Health

St Mary Medical Center Long Beach Glendale Memorial Hospital and Health Center California Hospital Medical Center Northridge Hospital Medical Center

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Biography

Dr. Daniel Gianella's medical specialty is neuroradiology and diagnostic radiology. He is affiliated with Dignity Health. His education and training includes medical school at the University of California, Los Angeles (UCLA), David Geffen School of Medicine and residency at Santa Clara Valley Medical Center and Loma Linda University Medical Center. According to Dignity Health, Dr. Gianella is not acceping new patients at this time.