Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CA Providers > Diagnostic Radiologists

Dr. Erik H. Gaensler, MD

(Dr. Erik Gaensler, MD)

(No ratings)

Specializes in: Interventional Radiology/Diagnostic Radiology (IR/DR) and Diagnostic Radiology

Harvard Medical School

5730 Telegraph Avenue Suite 117
Oakland, CA 94609

(510) 204-1820

Dr. Erik H. Gaensler, MD is a radiologist in Walnut Creek, CA specializing in interventional radiology/diagnostic radiology (ir/dr) and diagnostic radiology. He graduated from Harvard Medical School. Dr. Erik H. Gaensler, MD is affiliated with Sutter Health.

Office Locations

2125 Oak Grove Road Suite 200
Walnut Creek, CA 94598

open_in_new

Sutter Health

5730 Telegraph Avenue Suite 117
Oakland, CA 94609

(510) 204-1820

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Erik H. Gaensler, MD in 2023

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

Top 10%

By Volume:

brain MRI

By Affordability:

X-rays

In 2023, among providers in related specialties within California, Dr. Erik H. Gaensler, MD performed more brain MRI procedures for Medicare patients than 90% of them and he also had a list price for X-rays that was lower than the list prices billed to Medicare by 90% of them. 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.

Top 25%

By Volume:

brain imaging

By Affordability:

CT scan

In 2012, among providers in related specialties within California, Dr. Erik H. Gaensler, MD performed more brain imaging (neuroimaging) procedures for Medicare patients than 75% of them and he also had a list price for CT scan that was lower than the list prices billed to Medicare by 75% of them. 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. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2012 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

abdominal imaging	90
aspiration	49
brain imaging (neuroimaging)	205
catheterization	15
CT scan	147
diagnostic procedures	20
hip imaging	20
image guided procedures	20
minimally invasive procedures	20
minor procedures	20
MRI (magnetic resonance imaging)	169
musculoskeletal imaging	33
pelvic imaging	76
pleural drainage	13
spinal procedures	68
thoracic (chest) imaging	384
ultrasound (sonogram)	259
vascular procedures	196
X-rays	436

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2013 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

abdominal imaging	18
aspiration	32
brain imaging (neuroimaging)	191
catheterization	22
CT scan	69
diagnostic procedures	36
hip imaging	31
image guided procedures	20
minimally invasive procedures	20
minor procedures	20
MRI (magnetic resonance imaging)	212
musculoskeletal imaging	46
neck imaging	12
pelvic imaging	46
pleural drainage	12
spinal procedures	105
thoracic (chest) imaging	278
ultrasound (sonogram)	231
vascular procedures	230
X-rays	369

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Male	468
Female	701

**Ethnicity**
Non-Hispanic White	664
Black	292
Hispanic	66
Asian	114
Other	33
Native American	0

**Age**
From 65 to 74	444
From 75 to 84	297
85 and over	232
Less than 65	196

Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD in 2013

Hypertension	71
High Cholesterol	45
Stroke	13
Ischemic Heart Disease	29
Depression	26
Chronic Kidney Disease	38
Asthma	11
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	27
Chronic Obstructive Pulmonary Disease	16
Diabetes	34
Dementia	18
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2014 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

abdominal imaging	58
aspiration	58
brain imaging (neuroimaging)	216
catheterization	17
CT scan	110
hip imaging	27
MRI (magnetic resonance imaging)	219
musculoskeletal imaging	69
neck imaging	11
pelvic imaging	54
pleural drainage	24
spinal procedures	96
thoracic (chest) imaging	236
ultrasound (sonogram)	229
vascular procedures	194
X-rays	342

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Male	499
Female	731

**Ethnicity**
Non-Hispanic White	650
Black	318
Hispanic	83
Asian	138
Other	0
Native American	0

**Age**
From 65 to 74	541
From 75 to 84	317
85 and over	198
Less than 65	174

Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD in 2014

Hypertension	69
High Cholesterol	47
Stroke	14
Ischemic Heart Disease	31
Depression	27
Chronic Kidney Disease	38
Asthma	13
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	16
Diabetes	34
Dementia	18
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2015 were X-rays, brain imaging (neuroimaging), thoracic (chest) imaging and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

abdominal imaging	13
aspiration	105
brain imaging (neuroimaging)	437
catheterization	37
CT scan	245
diagnostic procedures	53
hip imaging	55
image guided procedures	29
minimally invasive procedures	51
minor procedures	40
MRI (magnetic resonance imaging)	296
musculoskeletal imaging	81
pelvic imaging	49
pleural drainage	42
spinal procedures	159
thoracic (chest) imaging	345
thoracostomy	11
ultrasound (sonogram)	80
vascular procedures	109
X-rays	499

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Male	1288
Female	1844

**Ethnicity**
Non-Hispanic White	1562
Black	788
Hispanic	284
Asian	376
Other	0
Native American	0

**Age**
From 65 to 74	1160
From 75 to 84	834
85 and over	584
Less than 65	554

Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD in 2015

Hypertension	75
High Cholesterol	49
Stroke	17
Ischemic Heart Disease	32
Depression	31
Chronic Kidney Disease	44
Asthma	19
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	22
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2016 were brain imaging (neuroimaging), X-rays, MRI (magnetic resonance imaging) and thoracic (chest) imaging.

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

abdominal imaging	15
aspiration	72
brain imaging (neuroimaging)	400
catheterization	26
CT scan	199
diagnostic procedures	18
image guided procedures	18
minimally invasive procedures	18
minor procedures	18
MRI (magnetic resonance imaging)	291
pelvic imaging	12
pleural drainage	32
spinal procedures	128
thoracic (chest) imaging	281
ultrasound (sonogram)	42
vascular procedures	48
X-rays	310

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Male	528
Female	821

**Ethnicity**
Non-Hispanic White	717
Black	291
Hispanic	125
Asian	175
Other	0
Native American	0

**Age**
From 65 to 74	507
From 75 to 84	393
85 and over	252
Less than 65	197

Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD in 2016

Hypertension	75
High Cholesterol	53
Stroke	17
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	48
Asthma	24
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	31
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Dementia	25
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2017 were X-rays, thoracic (chest) imaging, brain imaging (neuroimaging) and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

abdominal imaging	39
aspiration	25
brain imaging (neuroimaging)	385
catheterization	20
CT scan	207
MRI (magnetic resonance imaging)	263
musculoskeletal imaging	17
pelvic imaging	40
spinal procedures	113
thoracic (chest) imaging	408
ultrasound (sonogram)	41
vascular procedures	56
X-rays	495

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Male	605
Female	840

**Ethnicity**
Non-Hispanic White	710
Black	352
Hispanic	116
Asian	217
Other	0
Native American	0

**Age**
From 65 to 74	546
From 75 to 84	409
85 and over	273
Less than 65	217

Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD in 2017

Hypertension	75
High Cholesterol	53
Stroke	18
Ischemic Heart Disease	36
Depression	31
Chronic Kidney Disease	52
Asthma	15
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	25
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2018 were brain imaging (neuroimaging), MRI (magnetic resonance imaging), CT scan and spinal procedures.

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

abdominal imaging	82
aspiration	51
brain imaging (neuroimaging)	325
catheterization	19
CT scan	214
MRI (magnetic resonance imaging)	224
musculoskeletal imaging	60
pelvic imaging	49
pleural drainage	15
spinal procedures	107
ultrasound (sonogram)	100
vascular procedures	62
X-rays	92

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Male	637
Female	922

**Ethnicity**
Non-Hispanic White	740
Black	369
Hispanic	138
Asian	255
Other	0
Native American	0

**Age**
From 65 to 74	611
From 75 to 84	463
85 and over	253
Less than 65	232

Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD in 2018

Hypertension	74
High Cholesterol	54
Stroke	15
Ischemic Heart Disease	35
Depression	31
Chronic Kidney Disease	52
Asthma	13
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	29
Chronic Obstructive Pulmonary Disease	19
Diabetes	37
Dementia	23
Cancer	17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2019 were brain imaging (neuroimaging), CT scan, MRI (magnetic resonance imaging) and ultrasound (sonogram).

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

abdominal imaging	98
aspiration	42
brain imaging (neuroimaging)	297
catheterization	13
CT scan	212
MRI (magnetic resonance imaging)	191
musculoskeletal imaging	55
neck imaging	13
pelvic imaging	54
pleural drainage	24
spinal procedures	82
ultrasound (sonogram)	128
vascular procedures	67
X-rays	72

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Male	628
Female	927

**Ethnicity**
Non-Hispanic White	811
Black	342
Hispanic	109
Asian	234
Other	59
Native American	0

**Age**
From 65 to 74	584
From 75 to 84	479
85 and over	280
Less than 65	212

Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD in 2019

Hypertension	74
High Cholesterol	54
Stroke	14
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	54
Asthma	13
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	33
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Dementia	23
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2020 were brain imaging (neuroimaging), CT scan, ultrasound (sonogram) and aspiration.

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

abdominal imaging	57
aspiration	62
brain imaging (neuroimaging)	145
catheterization	31
CT scan	134
diagnostic procedures	12
minimally invasive procedures	12
minor procedures	12
MRI (magnetic resonance imaging)	50
musculoskeletal imaging	13
neck imaging	13
pelvic imaging	40
pleural drainage	33
spinal procedures	31
thoracic (chest) imaging	11
ultrasound (sonogram)	98
vascular procedures	56
X-rays	56

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Male	552
Female	708

**Ethnicity**
Non-Hispanic White	612
Black	297
Hispanic	98
Asian	201
Other	0
Native American	0

**Age**
From 65 to 74	524
From 75 to 84	379
85 and over	188
Less than 65	169

Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD in 2020

Hypertension	75
High Cholesterol	56
Stroke	13
Ischemic Heart Disease	37
Depression	32
Chronic Kidney Disease	55
Asthma	12
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	32
Chronic Obstructive Pulmonary Disease	19
Diabetes	38
Dementia	23
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2021 were brain imaging (neuroimaging), CT scan, aspiration and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

abdominal imaging	30
anastomosis	23
aspiration	92
brain imaging (neuroimaging)	156
catheterization	36
CT scan	123
diagnostic procedures	11
gastrointestinal procedures	23
lymph node procedures	11
minimally invasive procedures	34
minor procedures	11
MRI (magnetic resonance imaging)	78
pelvic imaging	16
pleural drainage	55
spinal procedures	42
ultrasound (sonogram)	54
vascular procedures	40
X-rays	13

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Male	470
Female	608

**Ethnicity**
Non-Hispanic White	506
Black	275
Hispanic	92
Asian	158
Other	0
Native American	0

**Age**
From 65 to 74	422
From 75 to 84	349
85 and over	185
Less than 65	122

Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD in 2021

Hypertension	75
High Cholesterol	58
Stroke	16
Ischemic Heart Disease	36
Depression	32
Chronic Kidney Disease	56
Asthma	12
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	33
Chronic Obstructive Pulmonary Disease	19
Diabetes	38
Dementia	25
Cancer	18

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA during 2022 were brain imaging (neuroimaging), MRI (magnetic resonance imaging), CT scan and vascular procedures.

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

aspiration	46
brain imaging (neuroimaging)	457
catheterization	12
CT scan	220
MRI (magnetic resonance imaging)	277
pelvic imaging	17
pleural drainage	26
spinal procedures	74
ultrasound (sonogram)	96
vascular procedures	119
X-rays	28

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Male	647
Female	899

**Ethnicity**
Non-Hispanic White	730
Black	340
Hispanic	163
Asian	252
Other	0
Native American	0

**Age**
From 65 to 74	567
From 75 to 84	528
85 and over	294
Less than 65	157

Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD in 2022

Hypertension	75
High Cholesterol	69
Stroke	24
Ischemic Heart Disease	27
Depression	28
Chronic Kidney Disease	38
Asthma	17
Osteoperosis	19
Atrial Fibrilation	27
Heart Failure	28
Chronic Obstructive Pulmonary Disease	20
Diabetes	38
Dementia	19
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Erik H. Gaensler, MD for Medicare patients.

The highest averages for the top procedures that Dr. Erik H. Gaensler, MD treated as a radiologist in Walnut Creek, CA were brain imaging (neuroimaging), thoracic (chest) imaging, X-rays and MRI (magnetic resonance imaging).

abdominal imaging	50
anastomosis	23
aspiration	57
brain imaging (neuroimaging)	292
catheterization	22
CT scan	170
diagnostic procedures	25
gastrointestinal procedures	23
hip imaging	33
image guided procedures	21
lymph node procedures	11
minimally invasive procedures	25
minor procedures	20
MRI (magnetic resonance imaging)	206
musculoskeletal imaging	46
neck imaging	12
pelvic imaging	41
pleural drainage	27
spinal procedures	91
thoracic (chest) imaging	277
thoracostomy	11
ultrasound (sonogram)	123
vascular procedures	107
X-rays	246

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Erik H. Gaensler, MD.

**Gender**
Female	818
Male	574

**Ethnicity**
Black / African American	333
Asian / Pacific Islander	192
Non-Hispanic White	700
Hispanic	115
Native American / Alaskan Native	0
Other	8

**Age**
85 and over	249
75 to 84	404
Less than 65	202
65 to 74	536

Average of Total of Conditions of Medicare patients treated by Dr. Erik H. Gaensler, MD From 2012 - 2022

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

Hypertension	67
High Cholesterol	48
Stroke	14
Ischemic Heart Disease	30
Depression	27
Chronic Kidney Disease	43
Asthma	13
Osteoporosis	10
Heart Failure	27
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Atrial Fibrillation	15
Dementia	20
Cancer	15

Education & Training

Dr. Erik H. Gaensler, MD graduated from Harvard Medical School. He completed residency at University of California, San Francisco (UCSF) Affiliated Hospitals. He is certified by the Radiology - Board Certified and has a state license in California.

Medical School: Harvard Medical School

Residency: University of California, San Francisco (UCSF) Affiliated Hospitals

Board Certification: Radiology - Board Certified

Licensed In: California

Affiliations & Hospitals

Dr. Erik H. Gaensler, MD is associated with these hospitals and organizations:

Sutter Health

Ratings & Reviews

Dr. Erik H. Gaensler, MD does not have any reviews yet, be the first to leave a review of Dr. Erik H. Gaensler, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Merck Sharp & Dohme Corporation	$188,300 MK-8931 $188,300
Biogen, Inc.	$17,378 ADUHELM $11,570	$5,808
Pfizer Inc.	$8,550 NonCovered Product $8,550
Genentech, Inc.	$6,092 $6,092
EISAI INC.	$2,050 $2,050
Other	$421 TheraSphere Y90 Glass Microspheres 10 GBq $100	Activase $99	Indigo System $63	Vascular $60	Eovist $40	Other $58

**Types of Payments**
Consulting Fee	$221,360
Travel and Lodging	$995
Food and Beverage	$436

Research Payments

Dr. Erik H. Gaensler, MD has received 10 research payments totaling $263,120.

Biography

Dr. Erik Gaensler is a physician who specializes in interventional radiology/diagnostic radiology (IR/DR) and diagnostic radiology. Dr. Gaensler obtained his medical school training at Harvard Medical School and performed his residency at a hospital affiliated with the University of California, San Francisco (UCSF). He is conversant in French. He is affiliated with Sutter Health.