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Dr. Gary E. Marais, MD

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Specializes in: Adult Cardiology

2 W Fern Avenue
Redlands, CA 92373

(909) 793-3311

Dr. Gary E. Marais, MD is a cardiologist in Redlands, CA specializing in adult cardiology.

Office Locations

2 W Fern Avenue
Redlands, CA 92373

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In The News

“Gary Ernest Marais, cardiologist.”—"Redlands hospital doctors named to best of list", Daily Breeze, August 2011

“The lecture will be presented by Dr. Gary Marais, a cardiologist with Beaver Medical Clinic.”—"Dance for life", Redlands Daily Facts, February 2007

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gary E. Marais, MD treated as a cardiologist in Redlands, CA during 2012 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Gary E. Marais, MD for Medicare patients.

ambulatory monitoring	57
cardiac procedures	551
doctor visit	413
hospital care	120
inpatient care	120
stress testing	215
ultrasound (sonogram)	470

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gary E. Marais, MD treated as a cardiologist in Redlands, CA during 2013 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Gary E. Marais, MD for Medicare patients.

ambulatory monitoring	55
cardiac procedures	421
doctor visit	299
hospital care	100
inpatient care	100
stress testing	114
ultrasound (sonogram)	353

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary E. Marais, MD.

**Gender**
Male	313
Female	295

**Ethnicity**
Non-Hispanic White	450
Black	37
Hispanic	76
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	205
85 and over	95
Less than 65	64

Conditions of Medicare patients treated by Dr. Gary E. Marais, MD in 2013

Hypertension	75
High Cholesterol	59
Stroke	9
Ischemic Heart Disease	57
Depression	18
Chronic Kidney Disease	38
Asthma	8
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	39
Chronic Obstructive Pulmonary Disease	25
Diabetes	36
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gary E. Marais, MD treated as a cardiologist in Redlands, CA during 2014 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Gary E. Marais, MD for Medicare patients.

ambulatory monitoring	37
cardiac procedures	359
doctor visit	218
hospital care	78
inpatient care	78
stress testing	131
ultrasound (sonogram)	295

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary E. Marais, MD.

**Gender**
Male	257
Female	253

**Ethnicity**
Non-Hispanic White	390
Black	24
Hispanic	65
Asian	20
Other	0
Native American	0

**Age**
From 65 to 74	172
From 75 to 84	163
85 and over	105
Less than 65	70

Conditions of Medicare patients treated by Dr. Gary E. Marais, MD in 2014

Hypertension	72
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	54
Depression	24
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	9
Atrial Fibrilation	24
Heart Failure	38
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gary E. Marais, MD treated as a cardiologist in Redlands, CA during 2015 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Gary E. Marais, MD for Medicare patients.

ambulatory monitoring	34
cardiac procedures	350
doctor visit	227
hospital care	85
inpatient care	85
stress testing	88
ultrasound (sonogram)	304

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary E. Marais, MD.

**Gender**
Male	586
Female	586

**Ethnicity**
Non-Hispanic White	924
Black	54
Hispanic	132
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	418
From 75 to 84	404
85 and over	234
Less than 65	116

Conditions of Medicare patients treated by Dr. Gary E. Marais, MD in 2015

Hypertension	75
High Cholesterol	58
Stroke	11
Ischemic Heart Disease	54
Depression	20
Chronic Kidney Disease	43
Asthma	18
Osteoperosis	8
Atrial Fibrilation	26
Heart Failure	36
Chronic Obstructive Pulmonary Disease	25
Diabetes	36
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gary E. Marais, MD treated as a cardiologist in Redlands, CA during 2016 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Gary E. Marais, MD for Medicare patients.

ambulatory monitoring	24
cardiac procedures	327
doctor visit	277
hospital care	76
inpatient care	76
stress testing	78
ultrasound (sonogram)	303

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary E. Marais, MD.

**Gender**
Male	261
Female	301

**Ethnicity**
Non-Hispanic White	422
Black	33
Hispanic	68
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	192
85 and over	137
Less than 65	50

Conditions of Medicare patients treated by Dr. Gary E. Marais, MD in 2016

Hypertension	75
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	54
Depression	23
Chronic Kidney Disease	51
Asthma	36
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	40
Chronic Obstructive Pulmonary Disease	32
Diabetes	40
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gary E. Marais, MD treated as a cardiologist in Redlands, CA during 2017 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Gary E. Marais, MD for Medicare patients.

ambulatory monitoring	32
cardiac procedures	292
doctor visit	232
hospital care	37
inpatient care	37
stress testing	71
ultrasound (sonogram)	260

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary E. Marais, MD.

**Gender**
Male	255
Female	282

**Ethnicity**
Non-Hispanic White	411
Black	30
Hispanic	69
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	178
85 and over	103
Less than 65	60

Conditions of Medicare patients treated by Dr. Gary E. Marais, MD in 2017

Hypertension	75
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	46
Depression	25
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	35
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gary E. Marais, MD treated as a cardiologist in Redlands, CA during 2018 were cardiac procedures, ultrasound (sonogram), stress testing and ambulatory monitoring.

Volume of procedures performed by Dr. Gary E. Marais, MD for Medicare patients.

ambulatory monitoring	35
cardiac procedures	252
doctor visit	355
stress testing	77
ultrasound (sonogram)	217

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary E. Marais, MD.

**Gender**
Male	247
Female	225

**Ethnicity**
Non-Hispanic White	366
Black	28
Hispanic	54
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	190
From 75 to 84	162
85 and over	82
Less than 65	38

Conditions of Medicare patients treated by Dr. Gary E. Marais, MD in 2018

Hypertension	75
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	44
Depression	19
Chronic Kidney Disease	50
Asthma	9
Osteoperosis	7
Atrial Fibrilation	22
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gary E. Marais, MD treated as a cardiologist in Redlands, CA during 2019 were cardiac procedures, ultrasound (sonogram), stress testing and ambulatory monitoring.

Volume of procedures performed by Dr. Gary E. Marais, MD for Medicare patients.

ambulatory monitoring	12
cardiac procedures	150
doctor visit	145
stress testing	42
ultrasound (sonogram)	138

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary E. Marais, MD.

**Gender**
Male	158
Female	158

**Ethnicity**
Non-Hispanic White	242
Black	18
Hispanic	33
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	108
85 and over	47
Less than 65	27

Conditions of Medicare patients treated by Dr. Gary E. Marais, MD in 2019

Hypertension	75
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	45
Depression	21
Chronic Kidney Disease	44
Asthma	11
Osteoperosis	7
Atrial Fibrilation	23
Heart Failure	34
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gary E. Marais, MD treated as a cardiologist in Redlands, CA during 2020 were ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Gary E. Marais, MD for Medicare patients.

cardiac procedures	26
ultrasound (sonogram)	26

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary E. Marais, MD.

**Gender**
Male	15
Female	19

**Age**
From 65 to 74	13
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary E. Marais, MD in 2020

Hypertension	75
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	65
Depression	0
Chronic Kidney Disease	62
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	56
Chronic Obstructive Pulmonary Disease	0
Diabetes	50
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2020

Volume of procedures performed by Dr. Gary E. Marais, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gary E. Marais, MD treated as a cardiologist in Redlands, CA were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

ambulatory monitoring	35
cardiac procedures	303
doctor visit	270
hospital care	82
inpatient care	82
stress testing	102
ultrasound (sonogram)	262

Average Medicare Patient Data From 2012 - 2020

Information about Medicare patients treated by Dr. Gary E. Marais, MD.

**Gender**
Female	235
Male	232

**Ethnicity**
Black / African American	24
Asian / Pacific Islander	15
Non-Hispanic White	356
Native American / Alaskan Native	0
Hispanic	55
Other	0

**Age**
75 to 84	156
85 and over	89
Less than 65	47
65 to 74	172

Average of Total of Conditions of Medicare patients treated by Dr. Gary E. Marais, MD From 2012 - 2020

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

Hypertension	66
High Cholesterol	50
Stroke	6
Ischemic Heart Disease	46
Depression	16
Chronic Kidney Disease	41
Asthma	11
Osteoporosis	6
Heart Failure	34
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Atrial Fibrillation	18
Dementia	10
Cancer	8

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
Cardiovascular Systems Inc.	$208 Atherectomy Device $208
Janssen Pharmaceuticals, Inc	$175 XARELTO $175
Boston Scientific Corporation	$167 Tachy System $58	GENERAL BRADY $28	Brady System $24	LATITUDE $23	TACHY HF $20	Other $13
Pfizer Inc.	$72 ELIQUIS $72
Medtronic Vascular, Inc.	$30 Pacemakers $30
Other	$93 Effient $25	BRILINTA $23	ENTRESTO $20	ELIQUIS $12	$14

**Types of Payments**
Food and Beverage	$645
Education	$99

Biography

Dr. Gary Marais, who practices in Redlands, CA, is a medical specialist in adult cardiology. Dr. Marais has obtained a license to practice in California.