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Dr. Stefan G. Ruehm, MPH, PhD, MD

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(Dr. Stefan Ruehm, MD)

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

Professional interests include: transplant procedures, hand problems

100 Ucla Medical Plaza Suite 100
Los Angeles, CA 90024

(310) 301-6800

Dr. Stefan G. Ruehm, MPH, PhD, MD is a radiologist in Los Angeles, CA specializing in interventional radiology/diagnostic radiology (ir/dr) and diagnostic radiology. Dr. Stefan G. Ruehm, MPH, PhD, MD is affiliated with UCLA Health, UCLA Santa Monica Medical Center and UCLA West Valley Medical Center.

Office Locations

100 Ucla Medical Plaza Suite 100
Los Angeles, CA 90024

(310) 301-6800

(310) 794-9035

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1245 16th Street Suite 105
Santa Monica, CA 90404

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13630 Van Nuys Boulevard Suite 107
Pacoima, CA 91331

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Noteworthy Medicare Patient Procedures Performed by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2023

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

Top 10%

By Volume:

lower extremity venous duplex

In 2023, Dr. Stefan G. Ruehm, MPH, PhD, MD performed more lower extremity venous duplex procedures for Medicare patients than 90% of providers in related specialties within California.

Top 25%

By Volume:

cardiac MRI

vascular procedures

vascular ultrasound

In 2012, Dr. Stefan G. Ruehm, MPH, PhD, MD performed more cardiac (heart) MRI, vascular procedures, and vascular ultrasound 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. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2012 were X-rays, thoracic (chest) imaging, cardiac procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

cardiac procedures	42
MRI (magnetic resonance imaging)	42
thoracic (chest) imaging	141
X-rays	141

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2013 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and abdominal imaging.

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

abdominal imaging	51
cardiac procedures	23
MRI (magnetic resonance imaging)	23
thoracic (chest) imaging	166
ultrasound (sonogram)	51
X-rays	166

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Male	214
Female	237

**Ethnicity**
Non-Hispanic White	296
Black	37
Hispanic	67
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	159
From 75 to 84	132
85 and over	84
Less than 65	76

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2013

Hypertension	75
High Cholesterol	65
Stroke	10
Ischemic Heart Disease	59
Depression	32
Chronic Kidney Disease	44
Asthma	12
Osteoperosis	16
Atrial Fibrilation	23
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	19
Cancer	19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2014 were ultrasound (sonogram), X-rays, thoracic (chest) imaging and vascular procedures.

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

abdominal imaging	200
cardiac procedures	36
MRI (magnetic resonance imaging)	36
neck imaging	18
pelvic imaging	14
thoracic (chest) imaging	281
ultrasound (sonogram)	438
vascular procedures	219
women's imaging	14
X-rays	281

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Male	523
Female	570

**Ethnicity**
Non-Hispanic White	784
Black	90
Hispanic	108
Asian	83
Other	0
Native American	0

**Age**
From 65 to 74	460
From 75 to 84	287
85 and over	182
Less than 65	164

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2014

Hypertension	75
High Cholesterol	58
Stroke	10
Ischemic Heart Disease	50
Depression	29
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	13
Atrial Fibrilation	19
Heart Failure	32
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2015 were thoracic (chest) imaging, X-rays, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

abdominal imaging	102
cardiac procedures	70
CT scan	28
MRI (magnetic resonance imaging)	70
pelvic imaging	17
thoracic (chest) imaging	796
ultrasound (sonogram)	356
vascular procedures	271
X-rays	785

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Male	1740
Female	1444

**Ethnicity**
Non-Hispanic White	2192
Black	276
Hispanic	384
Asian	252
Other	0
Native American	0

**Age**
From 65 to 74	1352
From 75 to 84	832
85 and over	560
Less than 65	440

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2015

Hypertension	74
High Cholesterol	60
Stroke	11
Ischemic Heart Disease	51
Depression	29
Chronic Kidney Disease	41
Asthma	18
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2016 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

abdominal imaging	87
cardiac procedures	52
CT scan	40
MRI (magnetic resonance imaging)	52
pelvic imaging	40
thoracic (chest) imaging	979
ultrasound (sonogram)	232
vascular procedures	185
X-rays	979

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Male	868
Female	796

**Ethnicity**
Non-Hispanic White	978
Black	227
Hispanic	230
Asian	160
Other	0
Native American	0

**Age**
From 65 to 74	729
From 75 to 84	381
85 and over	208
Less than 65	346

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2016

Hypertension	75
High Cholesterol	59
Stroke	11
Ischemic Heart Disease	53
Depression	31
Chronic Kidney Disease	47
Asthma	26
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	36
Chronic Obstructive Pulmonary Disease	25
Diabetes	37
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2017 were X-rays, thoracic (chest) imaging, ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

abdominal imaging	44
cardiac procedures	49
CT scan	56
MRI (magnetic resonance imaging)	49
pelvic imaging	44
thoracic (chest) imaging	592
ultrasound (sonogram)	84
vascular procedures	84
X-rays	594

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Male	584
Female	621

**Ethnicity**
Non-Hispanic White	670
Black	200
Hispanic	188
Asian	101
Other	0
Native American	0

**Age**
From 65 to 74	473
From 75 to 84	312
85 and over	176
Less than 65	244

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2017

Hypertension	75
High Cholesterol	60
Stroke	11
Ischemic Heart Disease	58
Depression	33
Chronic Kidney Disease	51
Asthma	13
Osteoperosis	15
Atrial Fibrilation	21
Heart Failure	38
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	22
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2018 were ultrasound (sonogram), vascular procedures, cardiac procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

abdominal imaging	50
cardiac procedures	78
CT scan	50
MRI (magnetic resonance imaging)	78
musculoskeletal imaging	13
pelvic imaging	50
ultrasound (sonogram)	149
vascular procedures	149
X-rays	24

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Male	538
Female	602

**Ethnicity**
Non-Hispanic White	616
Black	180
Hispanic	188
Asian	101
Other	0
Native American	0

**Age**
From 65 to 74	447
From 75 to 84	308
85 and over	170
Less than 65	215

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	10
Ischemic Heart Disease	59
Depression	34
Chronic Kidney Disease	54
Asthma	15
Osteoperosis	16
Atrial Fibrilation	21
Heart Failure	39
Chronic Obstructive Pulmonary Disease	21
Diabetes	41
Dementia	22
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2019 were ultrasound (sonogram), vascular procedures, cardiac procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

abdominal imaging	49
cardiac procedures	72
CT scan	49
MRI (magnetic resonance imaging)	72
musculoskeletal imaging	27
pelvic imaging	49
spinal procedures	14
ultrasound (sonogram)	89
vascular procedures	89
X-rays	53

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Male	585
Female	626

**Ethnicity**
Non-Hispanic White	676
Black	191
Hispanic	185
Asian	110
Other	49
Native American	0

**Age**
From 65 to 74	474
From 75 to 84	319
85 and over	205
Less than 65	213

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	58
Depression	36
Chronic Kidney Disease	54
Asthma	17
Osteoperosis	17
Atrial Fibrilation	20
Heart Failure	40
Chronic Obstructive Pulmonary Disease	27
Diabetes	42
Dementia	23
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2020 were ultrasound (sonogram), vascular procedures, cardiac procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

abdominal imaging	24
cardiac procedures	71
CT scan	24
MRI (magnetic resonance imaging)	71
pelvic imaging	24
ultrasound (sonogram)	80
vascular procedures	80

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Male	411
Female	404

**Ethnicity**
Non-Hispanic White	476
Black	124
Hispanic	117
Asian	65
Other	0
Native American	0

**Age**
From 65 to 74	331
From 75 to 84	228
85 and over	89
Less than 65	167

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2020

Hypertension	75
High Cholesterol	67
Stroke	12
Ischemic Heart Disease	62
Depression	38
Chronic Kidney Disease	53
Asthma	16
Osteoperosis	16
Atrial Fibrilation	19
Heart Failure	42
Chronic Obstructive Pulmonary Disease	22
Diabetes	41
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2021 were cardiac procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

cardiac procedures	28
MRI (magnetic resonance imaging)	28

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Male	452
Female	447

**Ethnicity**
Non-Hispanic White	505
Black	98
Hispanic	166
Asian	82
Other	48
Native American	0

**Age**
From 65 to 74	416
From 75 to 84	205
85 and over	74
Less than 65	204

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2021

Hypertension	74
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	56
Depression	29
Chronic Kidney Disease	52
Asthma	13
Osteoperosis	16
Atrial Fibrilation	20
Heart Failure	37
Chronic Obstructive Pulmonary Disease	19
Diabetes	37
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA during 2022 were ultrasound (sonogram), vascular procedures, cardiac procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

cardiac procedures	11
MRI (magnetic resonance imaging)	11
ultrasound (sonogram)	29
vascular procedures	29

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Male	209
Female	201

**Ethnicity**
Non-Hispanic White	258
Black	34
Hispanic	70
Asian	28
Other	0
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	99
85 and over	25
Less than 65	104

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	38
Depression	32
Chronic Kidney Disease	33
Asthma	18
Osteoperosis	21
Atrial Fibrilation	23
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	8
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Stefan G. Ruehm, MPH, PhD, MD for Medicare patients.

The highest averages for the top procedures that Dr. Stefan G. Ruehm, MPH, PhD, MD treated as a radiologist in Los Angeles, CA were thoracic (chest) imaging, X-rays, ultrasound (sonogram) and vascular procedures.

abdominal imaging	75
cardiac procedures	48
CT scan	41
MRI (magnetic resonance imaging)	48
musculoskeletal imaging	20
neck imaging	18
pelvic imaging	34
spinal procedures	14
thoracic (chest) imaging	492
ultrasound (sonogram)	167
vascular procedures	138
women's imaging	14
X-rays	377

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD.

**Gender**
Female	540
Male	556

**Ethnicity**
Black / African American	132
Asian / Pacific Islander	92
Non-Hispanic White	677
Hispanic	154
Native American / Alaskan Native	0
Other	8

**Age**
85 and over	161
75 to 84	282
Less than 65	197
65 to 74	456

Average of Total of Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Stefan G. Ruehm, MPH, PhD, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	58
Stroke	9
Ischemic Heart Disease	49
Depression	29
Chronic Kidney Disease	42
Asthma	14
Osteoporosis	14
Heart Failure	33
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Atrial Fibrillation	18
Dementia	15
Cancer	14

Education & Training

He completed residency at Radiology, UniversitaetsSpital Zuerich. He is certified by the Diagnostic Radiology, American Board of Radiology and has a state license in California.

Residency: Radiology, UniversitaetsSpital Zuerich (1998)

Board Certification: Diagnostic Radiology, American Board of Radiology (2008)

Licensed In: California

Affiliations & Hospitals

Dr. Stefan G. Ruehm, MPH, PhD, MD is associated with these hospitals and organizations:

UCLA Health

UCLA Santa Monica Medical Center

UCLA West Valley Medical Center

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Stefan G. Ruehm, MPH, PhD, MD appears to accept the following insurance providers: Cigna, TRICARE, Private Healthcare Systems (PHCS), Aetna, Blue Shield of California, MultiPlan, Anthem, UnitedHealthcare, Medicare Advantage, Prime Health, First Health, HealthSmart, Health Net of California, Centivo and UFCM Health System.

Insurance Accepted by Provider includes:

According to our sources, Dr. Stefan G. Ruehm, MPH, PhD, MD accepts the following insurance providers:

Cigna

TRICARE

Private Healthcare Systems (PHCS)

Aetna

Blue Shield of California

MultiPlan

Anthem

UnitedHealthcare

Medicare Advantage

Prime Health

First Health

HealthSmart

Health Net of California

Centivo

UFCM Health System

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Stefan G. Ruehm, MPH, PhD, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Siemens Medical Solutions USA, Inc.	$18,870 MR - MRI $17,505	CR - incl. Computed Tomography and Radiation Oncology $865	AX Angiography Fluoroscopy Radiology Systems $302	AX - Angiography Fluoroscopy-Radiology Systems $162	US - Ultrasound Systems $36
GUERBET LLC	$2,625 DOTAREM GADOTERATE MEGLUMINE INJECTION $2,625
BRACCO DIAGNOSTICS INC.	$2,115 ISOVUE $2,115
HeartFlow, Inc.	$587 FFRct $587
Vital Images, Inc.	$118 Vitality $58	Vitrea Enterprise $53	Vitrea Advanced $8

**Types of Payments**
Travel and Lodging	$19,019
Food and Beverage	$2,681
Honoraria	$2,500
Consulting Fee	$115

Research Payments

Dr. Stefan G. Ruehm, MPH, PhD, MD has received 6 research payments totaling $266.

Biography

Dr. Stefan Ruehm works as an interventional radiology/diagnostic radiology (IR/DR) and diagnostic radiology. Dr. Ruehm's areas of clinical interest consist of hand problems, imaging procedures, and transplant procedures. Anthem, UnitedHealthcare, and Blue California are among the insurance carriers that Dr. Ruehm honors. Dr. Ruehm (or staff) is conversant in Spanish, German, and French. He is affiliated with UCLA Health. Dr. Ruehm's practice in is open to new patients as reported by UCLA Health.

Select Year:

Dr. Stefan G. Ruehm, MPH, PhD, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2023

By Volume:

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. Stefan G. Ruehm, MPH, PhD, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stefan G. Ruehm, MPH, PhD, 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. Stefan G. Ruehm, MPH, PhD, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Insurance Information

Ratings & Reviews

General Payments

Research Payments

Biography

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