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Dr. Siamak Dardashti, MD

(Dr. Siamak Dardashti, MD)

(No ratings)

Specializes in: Pediatric Radiology and Diagnostic Radiology

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

2301 Bahamas Drive
Bakersfield, CA 93309

(661) 326-9600

Dr. Siamak Dardashti, MD is a pediatric radiologist in Los Angeles, CA specializing in pediatric radiology and diagnostic radiology. He graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine. Dr. Siamak Dardashti, MD is affiliated with Dignity Health.

Office Locations

1516 Cotner Avenue
Los Angeles, CA 90025

(310) 445-2951

(310) 479-1459

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Dignity Health

2301 Bahamas Drive
Bakersfield, CA 93309

(661) 326-9600

(661) 334-3065

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Noteworthy Medicare Patient Procedures Performed by Dr. Siamak Dardashti, MD in 2023

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

Top 5%

By Volume:

musculoskeletal imaging

shoulder MRI

spine MRI

wrist MRI

In 2023, Dr. Siamak Dardashti, MD performed more ankle MRI, foot MRI, hip MRI, knee MRI, MRI (magnetic resonance imaging), musculoskeletal imaging, shoulder MRI, spine MRI, and wrist MRI procedures for Medicare patients than 95% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2012 were MRI (magnetic resonance imaging), musculoskeletal imaging, spinal procedures and X-rays.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

aspiration	15
brain imaging (neuroimaging)	79
CT scan	138
hip imaging	350
injections	15
lab tests	191
MRI (magnetic resonance imaging)	1383
musculoskeletal imaging	874
nuclear scan	48
pelvic imaging	84
spinal procedures	647
thoracic (chest) imaging	354
X-rays	469

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2013 were MRI (magnetic resonance imaging), musculoskeletal imaging, X-rays and spinal procedures.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

abdominal imaging	16
brain imaging (neuroimaging)	88
CT scan	134
hip imaging	448
lab tests	182
MRI (magnetic resonance imaging)	1494
musculoskeletal imaging	993
nuclear scan	44
pelvic imaging	105
spinal procedures	682
thoracic (chest) imaging	591
X-rays	803

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	1057
Female	1342

**Ethnicity**
Non-Hispanic White	1743
Black	194
Hispanic	182
Asian	174
Other	0
Native American	0

**Age**
From 65 to 74	1088
From 75 to 84	719
85 and over	280
Less than 65	312

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2013

Hypertension	65
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	42
Depression	26
Chronic Kidney Disease	17
Asthma	8
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2014 were MRI (magnetic resonance imaging), musculoskeletal imaging, X-rays and spinal procedures.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

abdominal imaging	26
brain imaging (neuroimaging)	86
CT scan	122
hip imaging	436
lab tests	176
MRI (magnetic resonance imaging)	1426
musculoskeletal imaging	968
nuclear scan	16
pelvic imaging	94
spinal procedures	623
thoracic (chest) imaging	455
X-rays	688

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	943
Female	1190

**Ethnicity**
Non-Hispanic White	1542
Black	173
Hispanic	186
Asian	150
Other	0
Native American	0

**Age**
From 65 to 74	966
From 75 to 84	663
85 and over	235
Less than 65	269

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2014

Hypertension	67
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	41
Depression	25
Chronic Kidney Disease	19
Asthma	8
Osteoperosis	15
Atrial Fibrilation	8
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	36
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2015 were MRI (magnetic resonance imaging), musculoskeletal imaging, spinal procedures and hip imaging.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

aspiration	16
brain imaging (neuroimaging)	76
CT scan	162
hip imaging	522
injections	16
lab tests	108
MRI (magnetic resonance imaging)	1552
musculoskeletal imaging	1051
pelvic imaging	131
spinal procedures	684
thoracic (chest) imaging	180
X-rays	408

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	1692
Female	2436

**Ethnicity**
Non-Hispanic White	2986
Black	276
Hispanic	352
Asian	332
Other	0
Native American	0

**Age**
From 65 to 74	1862
From 75 to 84	1236
85 and over	534
Less than 65	496

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2015

Hypertension	65
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	43
Depression	28
Chronic Kidney Disease	19
Asthma	11
Osteoperosis	16
Atrial Fibrilation	7
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	35
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2016 were MRI (magnetic resonance imaging), musculoskeletal imaging, spinal procedures and hip imaging.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

aspiration	15
brain imaging (neuroimaging)	105
CT scan	138
hip imaging	545
injections	15
MRI (magnetic resonance imaging)	1827
musculoskeletal imaging	1119
pelvic imaging	57
spinal procedures	703
thoracic (chest) imaging	125
X-rays	144

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	651
Female	1099

**Ethnicity**
Non-Hispanic White	1166
Black	136
Hispanic	194
Asian	165
Other	0
Native American	0

**Age**
From 65 to 74	834
From 75 to 84	510
85 and over	167
Less than 65	239

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2016

Hypertension	68
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	38
Depression	28
Chronic Kidney Disease	25
Asthma	15
Osteoperosis	16
Atrial Fibrilation	7
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	38
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2017 were MRI (magnetic resonance imaging), musculoskeletal imaging, spinal procedures and hip imaging.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

aspiration	23
brain imaging (neuroimaging)	128
CT scan	135
hip imaging	508
injections	23
MRI (magnetic resonance imaging)	1838
musculoskeletal imaging	1021
pelvic imaging	46
spinal procedures	799
thoracic (chest) imaging	69
X-rays	90

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	696
Female	1044

**Ethnicity**
Non-Hispanic White	1155
Black	128
Hispanic	180
Asian	163
Other	0
Native American	0

**Age**
From 65 to 74	837
From 75 to 84	512
85 and over	152
Less than 65	239

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2017

Hypertension	67
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	38
Depression	29
Chronic Kidney Disease	24
Asthma	10
Osteoperosis	16
Atrial Fibrilation	7
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	37
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2018 were MRI (magnetic resonance imaging), musculoskeletal imaging, spinal procedures and hip imaging.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

brain imaging (neuroimaging)	138
CT scan	134
hip imaging	627
MRI (magnetic resonance imaging)	2028
musculoskeletal imaging	1296
pelvic imaging	31
spinal procedures	738
X-rays	41

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	668
Female	1125

**Ethnicity**
Non-Hispanic White	1130
Black	146
Hispanic	245
Asian	171
Other	0
Native American	0

**Age**
From 65 to 74	893
From 75 to 84	535
85 and over	121
Less than 65	244

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2018

Hypertension	67
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	40
Depression	29
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	16
Atrial Fibrilation	6
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	39
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2019 were MRI (magnetic resonance imaging), musculoskeletal imaging, spinal procedures and hip imaging.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

brain imaging (neuroimaging)	173
CT scan	155
hip imaging	628
MRI (magnetic resonance imaging)	2302
musculoskeletal imaging	1461
pelvic imaging	22
spinal procedures	820
X-rays	19

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	759
Female	1160

**Ethnicity**
Non-Hispanic White	1144
Black	159
Hispanic	294
Asian	186
Other	0
Native American	0

**Age**
From 65 to 74	951
From 75 to 84	554
85 and over	136
Less than 65	278

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2019

Hypertension	68
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	39
Depression	31
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	16
Atrial Fibrilation	7
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	38
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2020 were MRI (magnetic resonance imaging), musculoskeletal imaging, spinal procedures and hip imaging.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

brain imaging (neuroimaging)	144
CT scan	167
hip imaging	470
MRI (magnetic resonance imaging)	1917
musculoskeletal imaging	1145
pelvic imaging	37
spinal procedures	758

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	618
Female	1030

**Ethnicity**
Non-Hispanic White	976
Black	133
Hispanic	272
Asian	159
Other	0
Native American	0

**Age**
From 65 to 74	856
From 75 to 84	461
85 and over	93
Less than 65	238

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2020

Hypertension	65
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	17
Atrial Fibrilation	5
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	37
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2021 were MRI (magnetic resonance imaging), musculoskeletal imaging, spinal procedures and hip imaging.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

brain imaging (neuroimaging)	211
breast procedures	108
CT scan	207
diagnostic imaging	11
hip imaging	669
MRI (magnetic resonance imaging)	2245
musculoskeletal imaging	1485
pelvic imaging	26
preventive care	82
spinal procedures	730
ultrasound (sonogram)	15
women's imaging	108
X-rays	93

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	780
Female	1309

**Ethnicity**
Non-Hispanic White	1294
Black	151
Hispanic	305
Asian	218
Other	0
Native American	0

**Age**
From 65 to 74	1114
From 75 to 84	544
85 and over	128
Less than 65	303

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2021

Hypertension	66
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	28
Asthma	9
Osteoperosis	17
Atrial Fibrilation	8
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	35
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2022 were MRI (magnetic resonance imaging), musculoskeletal imaging, hip imaging and spinal procedures.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

abdominal imaging	14
brain imaging (neuroimaging)	99
breast procedures	62
CT scan	282
diagnostic imaging	11
hip imaging	661
MRI (magnetic resonance imaging)	2064
musculoskeletal imaging	1567
pelvic imaging	51
preventive care	38
spinal procedures	601
thoracic (chest) imaging	41
ultrasound (sonogram)	13
women's imaging	62
X-rays	62

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	741
Female	1251

**Ethnicity**
Non-Hispanic White	1260
Black	0
Hispanic	271
Asian	176
Other	145
Native American	0

**Age**
From 65 to 74	1021
From 75 to 84	603
85 and over	147
Less than 65	221

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2022

Hypertension	74
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	28
Depression	28
Chronic Kidney Disease	17
Asthma	12
Osteoperosis	26
Atrial Fibrilation	11
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	37
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA during 2023 were MRI (magnetic resonance imaging), musculoskeletal imaging, hip imaging and spinal procedures.

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

brain imaging (neuroimaging)	91
CT scan	156
hip imaging	652
MRI (magnetic resonance imaging)	1849
musculoskeletal imaging	1419
pelvic imaging	31
spinal procedures	464

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Male	554
Female	759

**Ethnicity**
Non-Hispanic White	884
Black	0
Hispanic	138
Asian	119
Other	95
Native American	0

**Age**
From 65 to 74	729
From 75 to 84	384
85 and over	86
Less than 65	114

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2023

Hypertension	71
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	28
Depression	25
Chronic Kidney Disease	18
Asthma	12
Osteoperosis	24
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Siamak Dardashti, MD for Medicare patients.

The highest averages for the top procedures that Dr. Siamak Dardashti, MD treated as a pediatric radiologist in Los Angeles, CA were MRI (magnetic resonance imaging), musculoskeletal imaging, spinal procedures and hip imaging.

abdominal imaging	18
aspiration	17
brain imaging (neuroimaging)	118
breast procedures	85
CT scan	160
diagnostic imaging	11
hip imaging	543
injections	17
lab tests	164
MRI (magnetic resonance imaging)	1827
musculoskeletal imaging	1199
nuclear scan	36
pelvic imaging	59
preventive care	60
spinal procedures	687
thoracic (chest) imaging	259
ultrasound (sonogram)	14
women's imaging	85
X-rays	281

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Siamak Dardashti, MD.

**Gender**
Female	1145
Male	763

**Ethnicity**
Black / African American	124
Asian / Pacific Islander	167
Non-Hispanic White	1273
Native American / Alaskan Native	0
Hispanic	218
Other	20

**Age**
75 to 84	560
85 and over	173
Less than 65	246
65 to 74	929

Average of Total of Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Siamak Dardashti, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	61
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	21
Asthma	9
Osteoporosis	16
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	33
Atrial Fibrillation	7
Dementia	8
Cancer	10

Education & Training

Dr. Siamak Dardashti, MD graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine. He completed residency at University of Southern California (USC) Affiliated Hospitals. He has a state license in California.

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

Residency: University of Southern California (USC) Affiliated Hospitals

Licensed In: California

Affiliations & Hospitals

Dr. Siamak Dardashti, MD is associated with these hospitals and organizations:

Dignity Health

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Siamak Dardashti, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
GE Healthcare	$2,642 MAGNETIC RESONANCE $1,397	Magnetic Resonance Imaging $1,245
Lilly USA, LLC	$131 TALTZ $131
Novo Nordisk Inc	$125 Victoza $125
E.R. Squibb & Sons, L.L.C.	$108 ELIQUIS $108
GlaxoSmithKline, LLC.	$13 TANZEUM $13

**Types of Payments**
Travel and Lodging	$2,532
Food and Beverage	$486

Biography

Dr. Siamak Dardashti practices pediatric radiology and diagnostic radiology in Los Angeles, CA and Bakersfield, CA. Before completing his residency at a hospital affiliated with the University of Southern California (USC), Dr. Dardashti attended medical school at the University of California, Los Angeles (UCLA), David Geffen School of Medicine and the University of California, Irvine, School of Medicine. Dr. Dardashti is professionally affiliated with Dignity Health. He has a closed panel according to Dignity Health.

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Dr. Siamak Dardashti, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Siamak Dardashti, 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. Siamak Dardashti, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Siamak Dardashti, MD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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