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

Home > CA Providers > Diagnostic Radiologists

Dr. Ralph M. Koenker, MD

(Dr. Ralph Maximillian Koenker, M.D.)

(No ratings)

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

University of California, San Diego (UCSD), School of Medicine

Professional interests include: epilepsy, head and neck problems

250 Bon Air Road
Greenbrae, CA 94904

(415) 925-7000

Dr. Ralph M. Koenker, MD is a radiologist in Novato, CA specializing in interventional radiology/diagnostic radiology (ir/dr), diagnostic radiology and neuroradiology. He graduated from University of California, San Diego (UCSD), School of Medicine. Dr. Ralph M. Koenker, MD is affiliated with Sutter Health, Marin General Hospital, PRIMA MEDICAL FOUNDATION and CALIFORNIA ADVANCED IMAGING MEDICAL ASSOCIATES INC.

Office Locations

180 Rowland Way
Novato, CA 94945

(415) 290-1500

open_in_new

Marin General Hospital

250 Bon Air Road
Greenbrae, CA 94904

(415) 925-7000

open_in_new

Sutter Health

504 Redwood Boulevard Suite 300
Novato, CA 94947

(415) 884-3415

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Ralph M. Koenker, MD in 2023

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

Top 10%

By Volume:

X-rays

By Affordability:

angiogram

brain MRA

breast ultrasound

carotid duplex ultrasound

carotid ultrasound

complete abdominal ultrasound

MRI angiogram

screening mammogram

thoracic imaging

In 2023, among providers in related specialties within California, Dr. Ralph M. Koenker, MD performed more X-rays procedures for Medicare patients than 90% of them and he also had a list price for angiogram (angiography), brain MRA, breast ultrasound, carotid duplex ultrasound, carotid ultrasound, complete abdominal ultrasound, MRI angiogram (MRA), screening mammogram, and thoracic (chest) imaging 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:

lower extremity venous duplex

MRI

musculoskeletal imaging

By Affordability:

2-D diagnostic mammogram

cervical spine CT scan

non-obstetric transvaginal ultrasound

pelvic CT scan

pelvis X-ray

retroperitoneal ultrasound

soft tissue ultrasound

spine CT scan

spine MRI

targeted breast ultrasound

thoracic spine CT scan

transabdominal ultrasound

transvaginal ultrasound

In 2012, among providers in related specialties within California, Dr. Ralph M. Koenker, MD performed more abdominal imaging, brain imaging (neuroimaging), CT scan, knee X-ray, lower extremity venous duplex, MRI (magnetic resonance imaging), musculoskeletal imaging, pelvic imaging, spine imaging, thoracic (chest) imaging, ultrasound (sonogram), vascular procedures, vascular ultrasound, and women's imaging procedures for Medicare patients than 75% of them and he also had a list price for 2-D diagnostic mammogram, 2-D mammogram, abdominal CT scan, brain MRI, breast imaging, cervical (neck) spine CT scan, chest CT scan, CT scan, diagnostic imaging, diagnostic mammogram, duplex ultrasound, head/brain CT scan, joint X-ray, knee X-ray, lumbar spine (low-back) CT scan, mammogram (breast X-ray), MRI (magnetic resonance imaging), neck ultrasound, non-obstetric transvaginal ultrasound, pelvic CT scan, pelvis X-ray, retroperitoneal ultrasound, soft tissue ultrasound, spine CT scan, spine MRI, targeted breast ultrasound, thoracic spine (mid-back) CT scan, transabdominal ultrasound, transvaginal ultrasound, vascular studies, vascular ultrasound, venous ultrasound, and women's imaging 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. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2012 were X-rays, thoracic (chest) imaging, CT scan and women's imaging.

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	545
aspiration	22
brain imaging (neuroimaging)	448
breast procedures	648
cardiac procedures	17
catheterization	16
CT scan	974
diagnostic imaging	69
gastrointestinal procedures	21
hip imaging	177
injections	31
MRI (magnetic resonance imaging)	221
musculoskeletal imaging	497
neck imaging	61
nerve block	31
nuclear scan	34
pain management	31
pelvic imaging	485
pleural drainage	22
preventive care	543
spinal procedures	383
stress testing	17
thoracic (chest) imaging	2231
ultrasound (sonogram)	442
vascular procedures	179
women's imaging	667
X-rays	3510

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2013 were X-rays, thoracic (chest) imaging, CT scan and women's imaging.

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	486
aspiration	40
brain imaging (neuroimaging)	450
breast procedures	805
cardiac procedures	19
catheterization	17
CT scan	844
diagnostic imaging	86
diagnostic procedures	17
gastrointestinal procedures	17
hip imaging	148
image guided procedures	17
injections	14
minimally invasive procedures	40
minor procedures	17
MRI (magnetic resonance imaging)	262
musculoskeletal imaging	507
neck imaging	57
nerve block	14
nuclear scan	36
pain management	14
pelvic imaging	420
pleural drainage	46
preventive care	656
spinal procedures	370
stress testing	19
thoracic (chest) imaging	2041
thoracostomy	23
ultrasound (sonogram)	530
vascular procedures	184
women's imaging	839
X-rays	3439

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Male	1354
Female	2614

**Ethnicity**
Non-Hispanic White	3408
Black	0
Hispanic	227
Asian	152
Other	88
Native American	0

**Age**
From 65 to 74	1604
From 75 to 84	1139
85 and over	829
Less than 65	396

Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD in 2013

Hypertension	64
High Cholesterol	52
Stroke	9
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2014 were X-rays, thoracic (chest) imaging, CT scan and women's imaging.

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	700
aspiration	40
brain imaging (neuroimaging)	545
breast procedures	787
cardiac procedures	45
catheterization	28
CT scan	1186
diagnostic imaging	84
diagnostic procedures	29
gastrointestinal procedures	15
hip imaging	177
image guided procedures	18
injections	13
minimally invasive procedures	29
minor procedures	29
MRI (magnetic resonance imaging)	328
musculoskeletal imaging	569
neck imaging	55
nerve block	13
nuclear scan	57
pain management	13
pelvic imaging	597
pleural drainage	22
preventive care	653
spinal procedures	475
stress testing	45
thoracic (chest) imaging	2334
ultrasound (sonogram)	574
vascular procedures	197
women's imaging	819
X-rays	3821

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Male	1591
Female	2843

**Ethnicity**
Non-Hispanic White	3848
Black	92
Hispanic	222
Asian	173
Other	0
Native American	0

**Age**
From 65 to 74	1802
From 75 to 84	1282
85 and over	951
Less than 65	399

Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD in 2014

Hypertension	62
High Cholesterol	51
Stroke	10
Ischemic Heart Disease	36
Depression	21
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	23
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2015 were X-rays, thoracic (chest) imaging, CT scan and ultrasound (sonogram).

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	704
anastomosis	17
aspiration	48
brain imaging (neuroimaging)	476
breast procedures	624
cardiac procedures	44
catheterization	68
CT scan	1128
diagnostic imaging	82
diagnostic procedures	37
doctor visit	18
gastrointestinal procedures	45
hip imaging	188
image guided procedures	28
injections	25
minimally invasive procedures	73
minor procedures	26
MRI (magnetic resonance imaging)	231
musculoskeletal imaging	500
neck imaging	68
nerve block	25
nuclear scan	44
pain management	25
pelvic imaging	593
pleural drainage	50
preventive care	432
spinal procedures	480
stress testing	44
thoracic (chest) imaging	2226
thoracostomy	17
ultrasound (sonogram)	748
vascular procedures	219
women's imaging	665
X-rays	3427

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Male	3324
Female	5274

**Ethnicity**
Non-Hispanic White	7346
Black	0
Hispanic	440
Asian	364
Other	242
Native American	0

**Age**
From 65 to 74	3460
From 75 to 84	2552
85 and over	1886
Less than 65	700

Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD in 2015

Hypertension	63
High Cholesterol	54
Stroke	11
Ischemic Heart Disease	36
Depression	23
Chronic Kidney Disease	27
Asthma	14
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2016 were X-rays, thoracic (chest) imaging, CT scan and women's imaging.

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	670
aspiration	59
brain imaging (neuroimaging)	506
breast procedures	680
cardiac procedures	18
catheterization	67
CT scan	964
diagnostic imaging	72
diagnostic procedures	14
doctor visit	16
gastrointestinal procedures	34
image guided procedures	14
injections	19
minimally invasive procedures	26
minor procedures	14
MRI (magnetic resonance imaging)	320
musculoskeletal imaging	329
neck imaging	66
nerve block	19
nuclear scan	18
pain management	19
pelvic imaging	485
pleural drainage	43
preventive care	508
spinal procedures	471
stress testing	18
thoracic (chest) imaging	2124
thoracostomy	12
ultrasound (sonogram)	693
vascular procedures	193
women's imaging	725
X-rays	3173

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Male	1601
Female	2720

**Ethnicity**
Non-Hispanic White	3745
Black	0
Hispanic	208
Asian	148
Other	123
Native American	0

**Age**
From 65 to 74	1762
From 75 to 84	1281
85 and over	933
Less than 65	345

Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD in 2016

Hypertension	62
High Cholesterol	52
Stroke	9
Ischemic Heart Disease	33
Depression	23
Chronic Kidney Disease	28
Asthma	18
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	22
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2017 were X-rays, thoracic (chest) imaging, CT scan and ultrasound (sonogram).

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	628
aspiration	52
brain imaging (neuroimaging)	534
breast procedures	485
catheterization	71
CT scan	1102
diagnostic imaging	55
diagnostic procedures	29
gastrointestinal procedures	31
image guided procedures	15
injections	33
minimally invasive procedures	29
minor procedures	29
MRI (magnetic resonance imaging)	287
musculoskeletal imaging	387
neck imaging	72
nerve block	33
pain management	33
pelvic imaging	507
pleural drainage	25
preventive care	356
spinal procedures	446
suprapubic catheter replacement	16
thoracic (chest) imaging	2193
ultrasound (sonogram)	637
vascular procedures	234
women's imaging	518
X-rays	3065

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Male	1603
Female	2616

**Ethnicity**
Non-Hispanic White	3651
Black	0
Hispanic	184
Asian	154
Other	137
Native American	0

**Age**
From 65 to 74	1715
From 75 to 84	1326
85 and over	846
Less than 65	332

Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD in 2017

Hypertension	62
High Cholesterol	48
Stroke	9
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2018 were X-rays, CT scan, ultrasound (sonogram) and abdominal imaging.

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	560
anastomosis	11
aspiration	53
brain imaging (neuroimaging)	503
breast procedures	466
catheterization	65
CT scan	1044
diagnostic imaging	66
diagnostic procedures	28
gastrointestinal procedures	25
image guided procedures	17
injections	19
minimally invasive procedures	56
minor procedures	28
MRI (magnetic resonance imaging)	254
musculoskeletal imaging	431
neck imaging	61
nerve block	19
pain management	19
pelvic imaging	446
pleural drainage	32
preventive care	326
spinal procedures	454
thoracic (chest) imaging	235
thoracostomy	17
ultrasound (sonogram)	654
vascular procedures	206
women's imaging	504
X-rays	1113

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Male	1562
Female	2620

**Ethnicity**
Non-Hispanic White	3631
Black	0
Hispanic	189
Asian	143
Other	117
Native American	0

**Age**
From 65 to 74	1665
From 75 to 84	1392
85 and over	805
Less than 65	320

Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD in 2018

Hypertension	62
High Cholesterol	55
Stroke	11
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	15
Atrial Fibrilation	17
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	22
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2019 were X-rays, CT scan, ultrasound (sonogram) and women's imaging.

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	640
aspiration	41
brain imaging (neuroimaging)	498
breast procedures	647
catheterization	13
CT scan	1122
diagnostic imaging	92
diagnostic procedures	47
image guided procedures	15
injections	15
minimally invasive procedures	52
minor procedures	35
MRI (magnetic resonance imaging)	301
musculoskeletal imaging	527
neck imaging	58
nerve block	15
pain management	15
pelvic imaging	545
pleural drainage	42
preventive care	442
spinal procedures	461
thoracic (chest) imaging	273
thoracostomy	17
ultrasound (sonogram)	751
vascular procedures	269
women's imaging	683
X-rays	1337

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Male	1596
Female	2750

**Ethnicity**
Non-Hispanic White	3716
Black	0
Hispanic	237
Asian	174
Other	136
Native American	0

**Age**
From 65 to 74	1794
From 75 to 84	1481
85 and over	784
Less than 65	287

Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD in 2019

Hypertension	61
High Cholesterol	54
Stroke	9
Ischemic Heart Disease	33
Depression	27
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2020 were X-rays, CT scan, women's imaging and breast procedures.

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	465
aspiration	35
brain imaging (neuroimaging)	370
breast procedures	635
catheterization	20
CT scan	886
diagnostic imaging	91
diagnostic procedures	39
image guided procedures	23
minimally invasive procedures	50
minor procedures	39
MRI (magnetic resonance imaging)	155
musculoskeletal imaging	479
neck imaging	43
pelvic imaging	374
pleural drainage	31
preventive care	409
spinal procedures	276
thoracic (chest) imaging	197
thoracostomy	11
ultrasound (sonogram)	574
vascular procedures	163
women's imaging	643
X-rays	1131

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Male	1234
Female	2138

**Ethnicity**
Non-Hispanic White	2915
Black	0
Hispanic	170
Asian	107
Other	116
Native American	0

**Age**
From 65 to 74	1428
From 75 to 84	1181
85 and over	558
Less than 65	205

Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD in 2020

Hypertension	60
High Cholesterol	54
Stroke	9
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2021 were X-rays, CT scan, ultrasound (sonogram) and women's imaging.

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	509
aspiration	13
brain imaging (neuroimaging)	386
breast procedures	591
CT scan	868
diagnostic imaging	98
diagnostic procedures	38
image guided procedures	26
lymph node procedures	12
minimally invasive procedures	50
minor procedures	38
MRI (magnetic resonance imaging)	227
musculoskeletal imaging	574
neck imaging	63
pelvic imaging	406
pleural drainage	25
preventive care	373
spinal procedures	333
thoracic (chest) imaging	193
thoracostomy	12
ultrasound (sonogram)	617
vascular procedures	168
women's imaging	605
X-rays	1226

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Male	1173
Female	2283

**Ethnicity**
Non-Hispanic White	2922
Black	0
Hispanic	183
Asian	113
Other	160
Native American	0

**Age**
From 65 to 74	1455
From 75 to 84	1278
85 and over	518
Less than 65	205

Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD in 2021

Hypertension	60
High Cholesterol	60
Stroke	9
Ischemic Heart Disease	30
Depression	25
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	18
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	11
Diabetes	19
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA during 2022 were X-rays, CT scan, women's imaging and breast procedures.

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

abdominal imaging	559
brain imaging (neuroimaging)	453
breast procedures	650
CT scan	1105
diagnostic imaging	89
MRI (magnetic resonance imaging)	246
musculoskeletal imaging	587
neck imaging	59
pelvic imaging	468
preventive care	451
spinal procedures	379
thoracic (chest) imaging	223
ultrasound (sonogram)	612
vascular procedures	180
women's imaging	683
X-rays	1309

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Male	1385
Female	2519

**Ethnicity**
Non-Hispanic White	3322
Black	0
Hispanic	180
Asian	145
Other	184
Native American	0

**Age**
From 65 to 74	1538
From 75 to 84	1542
85 and over	620
Less than 65	204

Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD in 2022

Hypertension	66
High Cholesterol	74
Stroke	14
Ischemic Heart Disease	25
Depression	24
Chronic Kidney Disease	20
Asthma	12
Osteoperosis	23
Atrial Fibrilation	22
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	19
Dementia	12
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Ralph M. Koenker, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ralph M. Koenker, MD treated as a radiologist in Novato, CA were X-rays, thoracic (chest) imaging, CT scan and women's imaging.

abdominal imaging	587
anastomosis	14
aspiration	40
brain imaging (neuroimaging)	469
breast procedures	638
cardiac procedures	28
catheterization	40
CT scan	1020
diagnostic imaging	80
diagnostic procedures	30
doctor visit	17
gastrointestinal procedures	26
hip imaging	172
image guided procedures	19
injections	21
lymph node procedures	12
minimally invasive procedures	45
minor procedures	28
MRI (magnetic resonance imaging)	257
musculoskeletal imaging	489
neck imaging	60
nerve block	21
nuclear scan	37
pain management	21
pelvic imaging	484
pleural drainage	33
preventive care	468
spinal procedures	411
stress testing	28
thoracic (chest) imaging	1297
thoracostomy	15
ultrasound (sonogram)	621
vascular procedures	199
women's imaging	668
X-rays	2413

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Ralph M. Koenker, MD.

**Gender**
Female	2579
Male	1493

**Ethnicity**
Black / African American	8
Asian / Pacific Islander	152
Non-Hispanic White	3500
Native American / Alaskan Native	0
Hispanic	203
Other	118

**Age**
75 to 84	1314
85 and over	793
Less than 65	308
65 to 74	1656

Average of Total of Conditions of Medicare patients treated by Dr. Ralph M. Koenker, MD From 2012 - 2022

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

Hypertension	56
High Cholesterol	50
Stroke	9
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	25
Asthma	10
Osteoporosis	12
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	19
Atrial Fibrillation	15
Dementia	14
Cancer	13

Education & Training

Dr. Ralph M. Koenker, MD graduated from University of California, San Diego (UCSD), School of Medicine. He completed residency at Massachusetts General Hospital. He is certified by the Board Certification: Radiology and has a state license in California.

Medical School: University of California, San Diego (UCSD), School of Medicine

Residency: Massachusetts General Hospital

Board Certification: Board Certification: Radiology

Licensed In: California

Affiliations & Hospitals

Dr. Ralph M. Koenker, MD is associated with these hospitals and organizations:

Sutter Health

Marin General Hospital

PRIMA MEDICAL FOUNDATION

CALIFORNIA ADVANCED IMAGING MEDICAL ASSOCIATES INC

Ratings & Reviews

Dr. Ralph M. Koenker, MD does not have any reviews yet, be the first to leave a review of Dr. Ralph M. Koenker, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Inari Medical, Inc.	$508 CT THROMBECTOMY SYSTEM KIT $415	FLOWTRIEVER CATHETER, S $94
Cook Incorporated	$389 Cook Medical Celect Platinum $178	Cook Medical Catheters $114	Cook Medical Wire Guides $97
EKOS Corporation	$141 EKOSONIC $141
Genentech USA, Inc.	$101 Esbriet $101
AngioDynamics, Inc.	$73 $73
Other	$34 SOMATOM Drive $21	Surgical wound closure product $13

**Types of Payments**
Food and Beverage	$1,246

Biography

Dr. Ralph Koenker is an interventional radiology/diagnostic radiology (IR/DR), neuroradiology, and diagnostic radiology specialist. He attended the University of California, San Diego (UCSD), School of Medicine and then went on to complete his residency at Massachusetts General Hospital and a hospital affiliated with Harvard Medical School. Dr. Koenker has indicated that his clinical interests include imaging procedures and epilepsy. He has received the following distinction: Top Doctor Marin Magazine. He is affiliated with Marin General Hospital and Sutter Health.