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Dr. Ronald D. Gim, MD

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Specializes in: Adult Cardiology

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

Professional interests include: Holter monitoring, left-sided heart failure, tachycardia (very fast heart rate), and more.

24411 Health Center Drive Suite 550
Laguna Hills, CA

(949) 770-6252

Dr. Ronald D. Gim, MD is a cardiologist in Laguna Hills, CA specializing in adult cardiology. He graduated from University of California, San Diego (UCSD), School of Medicine. Dr. Ronald D. Gim, MD is affiliated with Providence, Saddleback Medical Center, MemorialCare and MemorialCare Medical Group MemorialCare Independent Physicians.

Office Locations

24411 Health Center Drive Suite 550
Laguna Hills, CA

(949) 770-6252

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24411 Health Center Drive Suite 550
Laguna Hills, CA 92653

(949) 770-6252

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Some issues Dr. Ronald D. Gim, MD can help you with:

Autoimmune Diseases

An autoimmune disorder happens when the immune system mistakenly attacks the tissues of its own body, causing symptoms of illness. There are more than 80 different types of autoimmune disorders. While some are very rare, others are fairly common. Combined, autoimmune disorders are one of the leading causes of death and disability in the United States, affecting approximately 24 million people.

A properly working immune system identifies foreign substances in the body that might cause illness, such as bacteria and viruses. The immune system then creates antibodies which attack the foreign substances, neutralizing them and keeping the body safe. In people with autoimmune disorders, something goes wrong with this process. For reasons that are not fully understand, the immune system creates antibodies to attack the patient's own tissues.

Symptoms of an autoimmune disorder depend on which tissue is being attacked by the immune system, but common symptoms of autoimmune disease include fever, fatigue, and a general feeling of just not being well. Autoimmune disorders are more common in women than in men, and they may run in families. Autoimmune disorders can affect various parts of the body such as blood vessels, connective tissue, endocrine glands, joints, muscles, red blood cells, skin, and many others.

It is common to have more than one autoimmune disorder at a time. Most are chronic, or life-long illnesses, although they may come and go in flares. Treatment for autoimmune disorders depends on which part of the body is being attacked. For example:

A type 1 diabetic whose pancreas has been damaged will need insulin.
A person with Hashimoto's whose thyroid has been damaged will need replacement thyroid hormones.
Someone with Sjogren's syndrome will need eye drops and mouth rinses to replace tears and saliva.

Many autoimmune disorders of all kinds are treated with immune-suppressing medications, such as corticosteroids (e.g. prednisone) to reduce the effect of the immune system.

Heart Attack

A heart attack is a serious medical event that happens when the blood supplying oxygen to the heart is cut off, usually because of a blockage in an artery. This results in damage or death of part of the heart muscle. The heart can heal, but like any part of the body that was injured it leaves a scar. This scar tissue does not contract effectively, so the ability of the heart to pump is lowered after a heart attack.

A heart attack, sometimes called a myocardial infarction, can happen without warning. However there are certain factors that raise the risk of heart attack. Some of these are:

Age
Gender (most heart attack sufferers are male)
A family history of heart attacks
Smoking
Obesity
High cholesterol
High blood pressure
Diabetes
Unhealthy lifestyle choices (lack of exercise, poor diet, too much alcohol or stress)

Heart attacks typically feel like pain or pressure in the chest that can radiate out to the back, arm, or jaw. Some other symptoms can include fatigue or weakness, shortness of breath, sweating, and nausea.

Treatment aims to increase blood flow to the heart muscle by opening up blocked blood vessels. Medications are sometimes used to dissolve clots in the arteries. Aspirin and other medications such as Plavix can thin the blood and make clots less likely to form. Dilators can widen blood vessels to make room for more blood to flow. Doctors can also use a procedure called catheterization to look at the blood vessels around the heart directly, place stents, or widen vessels using angioplasty. In extreme cases bypass surgery can be used to help blood flow better. After recovery, it is important to lead a healthy lifestyle and take any prescribed medications in order to protect the heart.

Heart Problems

The heart is one of the most important organs in the body. This smooth muscle expands and contracts rhythmically an entire lifetime, pumping blood to the lungs and then to every other cell in the body. When heart problems occur, it becomes difficult for the body to get the nutrients and oxygen it needs via the blood. So while there are a variety of illnesses and disorders that affect the heart, most of them cause weakness, exhaustion and shortness of breath. The most common heart conditions include heart disease, angina, arrhythmia, and valve disorders.

Heart disease is the leading cause of death in the United States for both men and women. This includes coronary artery disease, heart attacks, congestive heart failure, and congenital heart disease. Some conditions, such as genetics, cannot be controlled. But there are many other things one can do to lower their risk for heart disease. Controlling high blood pressure and cholesterol levels, reducing or stopping smoking, exercising more and losing weight if needed, and eating a diet low in sodium can all protect the heart.

Angina is a squeezing type of chest pain that happens when the muscles around the heart don't get enough oxygen. It can be regular or infrequent. Usually, angina is caused by coronary heart disease. However, not all chest pain is angina. Chest pain can also be caused by a lung infection or panic attack, for example, so it is important to have any sudden pain checked.

Arrhythmia is the word for when the heart beats too fast, too slow, or irregularly with skipped beats. It can feel frightening, and depending on the type it can be dangerous, but in most cases arrhythmia is not serious and can be treated. It is very common, especially in older adults.

Heart valve problems can happen in any one of the the heart's four valves that keep blood flowing where it needs to go. Babies can be born with problems in their heart valves, or valves can be damaged by infections. The valves can stiffen and become less mobile, or they can stop closing properly and 'leak' when the heart beats. Valve problems can usually be repaired surgically.

Noteworthy Medicare Patient Procedures Performed by Dr. Ronald D. Gim, MD in 2024

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

Top 5%

By Affordability:

angioplasty

arterial angioplasty

cardiac catheterization

catheterization

color Doppler echocardiography

coronary angiogram

coronary angioplasty

coronary angioplasty with stent

diagnostic cardiac catheterization

diagnostic procedures

Doppler echocardiography

Doppler ultrasound

heart stent placement

hospital care

inpatient care

inpatient hospital care

interventional cardiac catheterization

left heart catheterization

percutaneous coronary intervention

percutaneous procedures

spectral Doppler echocardiography

stent placement

In 2024, Dr. Ronald D. Gim, MD had a list price for angioplasty, arterial angioplasty (arterioplasty), cardiac catheterization, catheterization, color Doppler echocardiography, coronary angiogram, coronary angioplasty (PTCA), coronary angioplasty with stent, diagnostic cardiac catheterization, diagnostic procedures, Doppler echocardiography, Doppler ultrasound, heart stent placement, hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), interventional cardiac catheterization, left heart catheterization, percutaneous coronary intervention (PCI), percutaneous procedures, spectral Doppler echocardiography, and stent placement (stenting) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within California. 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 10%

By Affordability:

angiogram

echocardiogram

stress echo

transthoracic echocardiography

ultrasound

In 2024, Dr. Ronald D. Gim, MD had a list price for angiogram (angiography), echocardiogram (echo), stress echo, transthoracic echocardiography (TTE), and ultrasound (sonogram) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. 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 Affordability:

cardiac imaging

cardiac procedures

carotid duplex ultrasound

carotid ultrasound

duplex ultrasound

minimally invasive procedures

myocardial perfusion SPECT

In 2012, Dr. Ronald D. Gim, MD had a list price for cardiac imaging, cardiac procedures, carotid duplex ultrasound, carotid ultrasound, duplex ultrasound, minimally invasive procedures, myocardial perfusion SPECT, nuclear scan, nuclear stress test (myocardial perfusion imaging), SPECT scan, vascular imaging, vascular procedures, vascular studies, and vascular ultrasound that was lower than the list prices billed to Medicare by 75% of providers in related specialties within California. 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. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2012 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

cardiac procedures	487
catheterization	88
diagnostic procedures	60
doctor visit	832
hospital care	499
inpatient care	499
minimally invasive procedures	88
nuclear scan	72
stent placement (stenting)	28
stress testing	168
ultrasound (sonogram)	306
vascular procedures	140

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2013 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

abdominal imaging	12
ambulatory monitoring	13
angioplasty	58
cardiac procedures	526
catheterization	130
diagnostic procedures	43
doctor visit	803
hospital care	494
inpatient care	494
minimally invasive procedures	141
nuclear scan	75
pelvic imaging	12
stent placement (stenting)	58
stress testing	169
ultrasound (sonogram)	389
vascular procedures	278

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	401
Female	480

**Ethnicity**
Non-Hispanic White	784
Black	0
Hispanic	36
Asian	45
Other	0
Native American	0

**Age**
From 65 to 74	233
From 75 to 84	289
85 and over	331
Less than 65	28

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2013

Hypertension	75
High Cholesterol	66
Stroke	13
Ischemic Heart Disease	66
Depression	24
Chronic Kidney Disease	41
Asthma	14
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	43
Chronic Obstructive Pulmonary Disease	25
Diabetes	35
Dementia	25
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2014 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

abdominal imaging	13
angioplasty	46
cardiac procedures	606
catheterization	112
diagnostic procedures	43
doctor visit	805
hospital care	365
implant surgery	12
inpatient care	365
minimally invasive procedures	124
nuclear scan	95
pelvic imaging	13
stent placement (stenting)	46
stress testing	214
ultrasound (sonogram)	391
vascular procedures	141

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	400
Female	471

**Ethnicity**
Non-Hispanic White	769
Black	0
Hispanic	30
Asian	54
Other	0
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	276
85 and over	309
Less than 65	38

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2014

Hypertension	75
High Cholesterol	65
Stroke	13
Ischemic Heart Disease	62
Depression	26
Chronic Kidney Disease	40
Asthma	12
Osteoperosis	14
Atrial Fibrilation	28
Heart Failure	38
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	25
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2015 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

abdominal imaging	15
ambulatory monitoring	13
angioplasty	44
cardiac procedures	610
catheterization	104
diagnostic procedures	38
doctor visit	832
hospital care	406
implant surgery	17
inpatient care	406
minimally invasive procedures	121
nuclear scan	68
pelvic imaging	15
stent placement (stenting)	44
stress testing	173
ultrasound (sonogram)	409
vascular procedures	120

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	804
Female	878

**Ethnicity**
Non-Hispanic White	1468
Black	0
Hispanic	78
Asian	82
Other	0
Native American	0

**Age**
From 65 to 74	530
From 75 to 84	496
85 and over	604
Less than 65	52

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	16
Ischemic Heart Disease	65
Depression	29
Chronic Kidney Disease	41
Asthma	21
Osteoperosis	15
Atrial Fibrilation	34
Heart Failure	42
Chronic Obstructive Pulmonary Disease	26
Diabetes	37
Dementia	24
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2016 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

abdominal imaging	13
angioplasty	44
cardiac procedures	533
catheterization	112
diagnostic procedures	46
doctor visit	844
hospital care	397
inpatient care	397
minimally invasive procedures	112
nuclear scan	59
pelvic imaging	13
stent placement (stenting)	44
stress testing	156
ultrasound (sonogram)	352
vascular procedures	95

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	386
Female	398

**Ethnicity**
Non-Hispanic White	682
Black	0
Hispanic	37
Asian	34
Other	18
Native American	0

**Age**
From 65 to 74	253
From 75 to 84	221
85 and over	281
Less than 65	29

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2016

Hypertension	75
High Cholesterol	68
Stroke	12
Ischemic Heart Disease	64
Depression	27
Chronic Kidney Disease	47
Asthma	25
Osteoperosis	11
Atrial Fibrilation	33
Heart Failure	43
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	24
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2017 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

angioplasty	46
cardiac procedures	571
catheterization	97
diagnostic procedures	28
doctor visit	908
hospital care	362
implant surgery	13
inpatient care	362
minimally invasive procedures	110
nuclear scan	63
stent placement (stenting)	46
stress testing	171
ultrasound (sonogram)	405
vascular procedures	99

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	385
Female	429

**Ethnicity**
Non-Hispanic White	718
Black	0
Hispanic	28
Asian	35
Other	0
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	299
85 and over	259
Less than 65	21

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2017

Hypertension	75
High Cholesterol	65
Stroke	16
Ischemic Heart Disease	62
Depression	27
Chronic Kidney Disease	46
Asthma	11
Osteoperosis	14
Atrial Fibrilation	34
Heart Failure	43
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	24
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2018 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

ambulatory monitoring	33
angioplasty	50
cardiac procedures	603
catheterization	123
diagnostic procedures	48
doctor visit	894
hospital care	303
implant surgery	11
inpatient care	303
minimally invasive procedures	134
nuclear scan	59
stent placement (stenting)	50
stress testing	163
ultrasound (sonogram)	346
vascular procedures	75

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	326
Female	369

**Ethnicity**
Non-Hispanic White	600
Black	0
Hispanic	25
Asian	33
Other	23
Native American	0

**Age**
From 65 to 74	215
From 75 to 84	244
85 and over	216
Less than 65	20

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	63
Depression	27
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	12
Atrial Fibrilation	32
Heart Failure	40
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	21
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2019 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

abdominal imaging	11
ambulatory monitoring	21
angioplasty	68
cardiac procedures	601
catheterization	152
diagnostic procedures	50
doctor visit	903
hospital care	375
inpatient care	375
minimally invasive procedures	152
nuclear scan	63
pelvic imaging	11
stent placement (stenting)	68
stress testing	189
ultrasound (sonogram)	358
vascular procedures	106

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	323
Female	324

**Ethnicity**
Non-Hispanic White	539
Black	0
Hispanic	29
Asian	45
Other	23
Native American	0

**Age**
From 65 to 74	212
From 75 to 84	231
85 and over	185
Less than 65	19

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	64
Depression	24
Chronic Kidney Disease	46
Asthma	9
Osteoperosis	13
Atrial Fibrilation	31
Heart Failure	40
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	20
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2020 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

angioplasty	60
cardiac procedures	500
catheterization	126
diagnostic procedures	36
doctor visit	860
hospital care	296
inpatient care	296
minimally invasive procedures	126
nuclear scan	55
stent placement (stenting)	60
stress testing	160
ultrasound (sonogram)	301
vascular procedures	72

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	281
Female	269

**Ethnicity**
Non-Hispanic White	472
Black	0
Hispanic	21
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	193
From 75 to 84	209
85 and over	130
Less than 65	18

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2020

Hypertension	75
High Cholesterol	67
Stroke	11
Ischemic Heart Disease	61
Depression	23
Chronic Kidney Disease	45
Asthma	9
Osteoperosis	12
Atrial Fibrilation	27
Heart Failure	37
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2021 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

ambulatory monitoring	14
angioplasty	48
cardiac procedures	477
catheterization	110
diagnostic procedures	38
doctor visit	844
hospital care	260
inpatient care	260
minimally invasive procedures	110
nuclear scan	28
stent placement (stenting)	48
stress testing	103
ultrasound (sonogram)	334
vascular procedures	75

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	362
Female	342

**Ethnicity**
Non-Hispanic White	602
Black	0
Hispanic	31
Asian	41
Other	17
Native American	0

**Age**
From 65 to 74	230
From 75 to 84	276
85 and over	173
Less than 65	25

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	13
Ischemic Heart Disease	58
Depression	26
Chronic Kidney Disease	49
Asthma	10
Osteoperosis	12
Atrial Fibrilation	26
Heart Failure	36
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Dementia	23
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

angioplasty	50
cardiac procedures	453
catheterization	112
diagnostic procedures	37
doctor visit	823
hospital care	235
inpatient care	235
minimally invasive procedures	112
nuclear scan	12
stent placement (stenting)	50
stress testing	80
ultrasound (sonogram)	338
vascular procedures	58

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	318
Female	345

**Ethnicity**
Non-Hispanic White	560
Black	0
Hispanic	33
Asian	34
Other	0
Native American	0

**Age**
From 65 to 74	201
From 75 to 84	281
85 and over	159
Less than 65	22

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	49
Depression	25
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	16
Atrial Fibrilation	40
Heart Failure	30
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	14
Cancer	19

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2023 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

abdominal imaging	12
angioplasty	38
cardiac procedures	544
catheterization	86
diagnostic procedures	29
doctor visit	966
hospital care	293
implant surgery	13
inpatient care	293
minimally invasive procedures	99
nuclear scan	15
pelvic imaging	12
stent placement (stenting)	38
stress testing	110
ultrasound (sonogram)	494
vascular procedures	108

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	323
Female	353

**Ethnicity**
Non-Hispanic White	553
Black	0
Hispanic	31
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	297
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	48
Depression	24
Chronic Kidney Disease	38
Asthma	11
Osteoperosis	15
Atrial Fibrilation	40
Heart Failure	29
Chronic Obstructive Pulmonary Disease	18
Diabetes	32
Dementia	16
Cancer	19

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA during 2024 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

angioplasty	50
cardiac procedures	611
catheterization	114
diagnostic procedures	39
doctor visit	955
hospital care	265
inpatient care	265
minimally invasive procedures	114
nuclear scan	30
stent placement (stenting)	50
stress testing	160
ultrasound (sonogram)	490
vascular procedures	120

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Male	413
Female	452

**Ethnicity**
Non-Hispanic White	715
Black	14
Hispanic	33
Asian	60
Other	43
Native American	0

**Age**
From 65 to 74	279
From 75 to 84	374
85 and over	192
Less than 65	20

Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	45
Depression	22
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	16
Atrial Fibrilation	39
Heart Failure	29
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Ronald D. Gim, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ronald D. Gim, MD treated as a cardiologist in Laguna Hills, CA were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

abdominal imaging	12
ambulatory monitoring	18
angioplasty	50
cardiac procedures	547
catheterization	112
diagnostic procedures	41
doctor visit	866
hospital care	350
implant surgery	13
inpatient care	350
minimally invasive procedures	118
nuclear scan	53
pelvic imaging	12
stent placement (stenting)	48
stress testing	155
ultrasound (sonogram)	377
vascular procedures	114

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Ronald D. Gim, MD.

**Gender**
Female	393
Male	363

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	42
Non-Hispanic White	650
Hispanic	31
Native American / Alaskan Native	0
Other	9

**Age**
85 and over	218
75 to 84	268
Less than 65	22
65 to 74	233

Average of Total of Conditions of Medicare patients treated by Dr. Ronald D. Gim, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	64
Stroke	13
Ischemic Heart Disease	54
Depression	23
Chronic Kidney Disease	39
Asthma	12
Osteoporosis	12
Heart Failure	34
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Atrial Fibrillation	30
Cancer	14
Dementia	19

Education & Training

Dr. Ronald D. Gim, MD graduated from University of California, San Diego (UCSD), School of Medicine. He completed residency at University of California, Irvine Affiliated Hospitals. He has a state license in California.

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

Residency: University of California, Irvine Affiliated Hospitals (2003)

Licensed In: California

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General Payments

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

**Payments by Company**
BIOTRONIK INC.	$3,266 Bradycardia products $499	Orsiro Mission $321	Rivacor $290	Acticor $265	BioMonitor $243	Other $1,647
Novartis Pharmaceuticals Corporation	$2,026 ENTRESTO $1,150	LEQVIO $857	TEKTURNA $19
Boston Scientific Corporation	$1,622 LUX-Dx Insertable Cardiac Monitor $203	WATCHMAN $181	TACHY GENERATOR $169	OTHER- BSC PRODUCT NOT LISTED $151	AVVIGO Guidance System $119	Other $798
Janssen Pharmaceuticals, Inc	$1,590 XARELTO $1,590
Amgen Inc.	$1,249 Repatha $1,185	Corlanor $41	$23
Other	$20,373 ELIQUIS $1,016	LifeVest $892	CT THROMBECTOMY SYSTEM KIT $889	AAA Stent Grafts $766	OPTIMIZER $699	Other $16,112

**Types of Payments**
Food and Beverage	$28,382
Travel and Lodging	$1,451
Education	$261
Entertainment	$32

Biography

Dr. Ronald Gim specializes in adult cardiology. Clinical interests for Dr. Gim include rheumatic heart disease, orthostatic hypotension, and cardiac risk reduction. Before performing his residency at a hospital affiliated with the University of California, Irvine, Dr. Gim attended the University of California, San Diego (UCSD), School of Medicine. Dr. Gim is affiliated with Providence and Saddleback Medical Center. His practice in Laguna Hills, CA is open to new patients as reported by Providence.