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Dr. Gregory R. Riva, MD

Accepting New Patients

(Dr. Gregory Raymond Riva, M.D.)

(No ratings)

Specializes in: Cardiac Electrophysiology (Heart Rhythm) and Adult Cardiology

Eastern Virginia Medical School

1275 E Latham Avenue Suite A
Hemet, CA 92543

(951) 652-5555

Dr. Gregory R. Riva, MD is a cardiac electrophysiologist in Ste A Hemet, CA specializing in cardiac electrophysiology (heart rhythm) and adult cardiology. He graduated from Eastern Virginia Medical School. Dr. Gregory R. Riva, MD is affiliated with Astrana Health, ANIL RASTOGI MD INC, HEMET HEART MEDICAL CENTER and Alpha Care Medical Group.

Office Locations

Alpha Care Medical Group

1275 E Latham Avenue
Ste A Hemet, CA 92543

(951) 652-5555

(951) 766-6611

open_in_new

1275 E Latham Avenue Suite A
Hemet, CA 92543

(951) 652-5555

(951) 766-2056

open_in_new

In The News

“Dr. Gregory Riva is joining the medical staff at Hemet and Menifee Valley Medical Center, according to a release from Physicians for Healthy Hospitals.”—"New physician lands at Menifee hospital", The San Diego Union-Tribune, January 2013

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2012 were lab tests, hospital care, inpatient care and cardiac procedures.

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	13
cardiac procedures	254
doctor visit	800
hospital care	279
inpatient care	279
lab tests	343
nuclear scan	76
stress testing	140
ultrasound (sonogram)	101

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2013 were cardiac procedures, inpatient care, hospital care and lab tests.

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	45
cardiac procedures	611
cardioversion	12
catheterization	19
diagnostic procedures	19
doctor visit	1709
hospital care	571
implant surgery	36
implantable cardioverter-defibrillator (ICD) replacement	13
inpatient care	571
lab tests	470
minimally invasive procedures	68
nuclear scan	46
preventive care	16
revision surgery	13
stress testing	228
ultrasound (sonogram)	283
vaccines	16
vascular procedures	19

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	388
Female	508

**Ethnicity**
Non-Hispanic White	708
Black	26
Hispanic	135
Asian	0
Other	0
Native American	11

**Age**
From 65 to 74	261
From 75 to 84	309
85 and over	220
Less than 65	106

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	75
Depression	24
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	11
Atrial Fibrilation	36
Heart Failure	54
Chronic Obstructive Pulmonary Disease	41
Diabetes	54
Dementia	18
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2014 were inpatient care, hospital care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	35
cardiac procedures	454
catheterization	20
diagnostic procedures	20
doctor visit	1388
hospital care	653
implant surgery	14
inpatient care	653
lab tests	151
minimally invasive procedures	34
preventive care	20
stress testing	119
ultrasound (sonogram)	266
vaccines	20
vascular procedures	20

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	403
Female	500

**Ethnicity**
Non-Hispanic White	700
Black	38
Hispanic	127
Asian	0
Other	0
Native American	20

**Age**
From 65 to 74	254
From 75 to 84	298
85 and over	236
Less than 65	115

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2014

Hypertension	75
High Cholesterol	72
Stroke	12
Ischemic Heart Disease	75
Depression	25
Chronic Kidney Disease	43
Asthma	12
Osteoperosis	10
Atrial Fibrilation	31
Heart Failure	53
Chronic Obstructive Pulmonary Disease	38
Diabetes	52
Dementia	18
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2015 were hospital care, inpatient care, cardiac procedures and lab tests.

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	25
cardiac procedures	314
doctor visit	1340
hospital care	581
inpatient care	581
lab tests	218
stress testing	105
ultrasound (sonogram)	184

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	804
Female	942

**Ethnicity**
Non-Hispanic White	1374
Black	64
Hispanic	232
Asian	44
Other	0
Native American	0

**Age**
From 65 to 74	490
From 75 to 84	556
85 and over	462
Less than 65	238

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2015

Hypertension	75
High Cholesterol	72
Stroke	14
Ischemic Heart Disease	75
Depression	25
Chronic Kidney Disease	45
Asthma	24
Osteoperosis	8
Atrial Fibrilation	34
Heart Failure	57
Chronic Obstructive Pulmonary Disease	42
Diabetes	52
Dementia	17
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2016 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	25
cardiac procedures	291
doctor visit	1309
hospital care	567
implant surgery	17
inpatient care	567
lab tests	116
minimally invasive procedures	17
stress testing	73
ultrasound (sonogram)	176

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	420
Female	544

**Ethnicity**
Non-Hispanic White	731
Black	55
Hispanic	129
Asian	27
Other	0
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	262
85 and over	211
Less than 65	191

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2016

Hypertension	75
High Cholesterol	67
Stroke	12
Ischemic Heart Disease	73
Depression	29
Chronic Kidney Disease	45
Asthma	43
Osteoperosis	8
Atrial Fibrilation	29
Heart Failure	58
Chronic Obstructive Pulmonary Disease	43
Diabetes	54
Dementia	19
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2017 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	22
cardiac procedures	308
catheterization	14
diagnostic procedures	14
doctor visit	1281
hospital care	458
implant surgery	11
inpatient care	458
lab tests	137
minimally invasive procedures	25
stress testing	65
ultrasound (sonogram)	196
vascular procedures	14

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	419
Female	519

**Ethnicity**
Non-Hispanic White	673
Black	57
Hispanic	151
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	307
From 75 to 84	270
85 and over	183
Less than 65	178

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2017

Hypertension	75
High Cholesterol	59
Stroke	11
Ischemic Heart Disease	70
Depression	29
Chronic Kidney Disease	51
Asthma	9
Osteoperosis	9
Atrial Fibrilation	30
Heart Failure	57
Chronic Obstructive Pulmonary Disease	43
Diabetes	56
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2018 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	21
cardiac procedures	247
catheterization	12
diagnostic procedures	12
doctor visit	1246
hospital care	395
implant surgery	11
inpatient care	395
lab tests	109
minimally invasive procedures	23
stress testing	30
ultrasound (sonogram)	173
vascular procedures	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	391
Female	421

**Ethnicity**
Non-Hispanic White	584
Black	65
Hispanic	121
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	273
From 75 to 84	219
85 and over	166
Less than 65	154

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2018

Hypertension	75
High Cholesterol	63
Stroke	12
Ischemic Heart Disease	65
Depression	34
Chronic Kidney Disease	52
Asthma	8
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	58
Chronic Obstructive Pulmonary Disease	44
Diabetes	57
Dementia	23
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2019 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	24
cardiac procedures	258
doctor visit	1336
hospital care	295
inpatient care	295
lab tests	147
minimally invasive procedures	12
preventive care	18
stress testing	26
ultrasound (sonogram)	208
vaccines	18

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	452
Female	485

**Ethnicity**
Non-Hispanic White	627
Black	72
Hispanic	181
Asian	28
Other	15
Native American	14

**Age**
From 65 to 74	322
From 75 to 84	258
85 and over	177
Less than 65	180

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2019

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	68
Depression	36
Chronic Kidney Disease	57
Asthma	9
Osteoperosis	9
Atrial Fibrilation	29
Heart Failure	62
Chronic Obstructive Pulmonary Disease	43
Diabetes	61
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2020 were hospital care, cardiac procedures, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	24
cardiac procedures	205
catheterization	13
diagnostic procedures	13
doctor visit	1162
hospital care	205
inpatient care	205
lab tests	80
minimally invasive procedures	13
stress testing	14
ultrasound (sonogram)	154
vascular procedures	13

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	375
Female	417

**Ethnicity**
Non-Hispanic White	534
Black	73
Hispanic	139
Asian	21
Other	13
Native American	12

**Age**
From 65 to 74	273
From 75 to 84	219
85 and over	159
Less than 65	141

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2020

Hypertension	75
High Cholesterol	67
Stroke	13
Ischemic Heart Disease	64
Depression	32
Chronic Kidney Disease	58
Asthma	10
Osteoperosis	7
Atrial Fibrilation	26
Heart Failure	58
Chronic Obstructive Pulmonary Disease	40
Diabetes	61
Dementia	22
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2021 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	23
cardiac procedures	226
doctor visit	1046
hospital care	168
inpatient care	168
lab tests	69
stress testing	49
ultrasound (sonogram)	154

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	337
Female	392

**Ethnicity**
Non-Hispanic White	475
Black	52
Hispanic	153
Asian	21
Other	17
Native American	11

**Age**
From 65 to 74	286
From 75 to 84	222
85 and over	106
Less than 65	115

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2021

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	63
Depression	29
Chronic Kidney Disease	51
Asthma	10
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	52
Chronic Obstructive Pulmonary Disease	35
Diabetes	53
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA during 2022 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

ambulatory monitoring	17
cardiac procedures	188
catheterization	21
doctor visit	1206
hospital care	153
implant surgery	12
inpatient care	153
lab tests	70
minimally invasive procedures	12
stress testing	23
ultrasound (sonogram)	136

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	307
Female	355

**Ethnicity**
Non-Hispanic White	415
Black	53
Hispanic	148
Asian	19
Other	13
Native American	14

**Age**
From 65 to 74	254
From 75 to 84	192
85 and over	112
Less than 65	104

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	50
Depression	28
Chronic Kidney Disease	37
Asthma	10
Osteoperosis	11
Atrial Fibrilation	37
Heart Failure	44
Chronic Obstructive Pulmonary Disease	35
Diabetes	47
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory R. Riva, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory R. Riva, MD treated as a cardiac electrophysiologist in Ste A Hemet, CA were inpatient care, hospital care, cardiac procedures and ultrasound (sonogram).

ambulatory monitoring	24
cardiac procedures	305
cardioversion	12
catheterization	16
diagnostic procedures	15
doctor visit	1256
hospital care	393
implant surgery	16
implantable cardioverter-defibrillator (ICD) replacement	13
inpatient care	393
lab tests	173
minimally invasive procedures	25
nuclear scan	61
preventive care	18
revision surgery	13
stress testing	79
ultrasound (sonogram)	184
vaccines	18
vascular procedures	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory R. Riva, MD.

**Gender**
Male	390
Female	462

**Ethnicity**
Black / African American	50
Asian / Pacific Islander	18
Non-Hispanic White	620
Native American / Alaskan Native	7
Hispanic	137
Other	5

**Age**
75 to 84	255
85 and over	184
Less than 65	138
65 to 74	274

Average of Total of Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gregory R. Riva, MD treated were hypertension, high cholesterol, ischemic heart disease and heart failure.

Hypertension	68
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	61
Depression	26
Chronic Kidney Disease	43
Asthma	13
Osteoporosis	8
Heart Failure	50
Chronic Obstructive Pulmonary Disease	36
Diabetes	49
Atrial Fibrillation	27
Dementia	17
Cancer	10

Education & Training

Dr. Gregory R. Riva, MD graduated from Eastern Virginia Medical School. He completed residency at Los Angeles County+USC Medical Center. He is certified by the Certification: AMERICAN BOARD OF INTERNAL MEDICINE and has a state license in California.

Medical School: Eastern Virginia Medical School

Residency: Los Angeles County+USC Medical Center

Board Certification: Certification: AMERICAN BOARD OF INTERNAL MEDICINE

Licensed In: California

Affiliations & Hospitals

Dr. Gregory R. Riva, MD is associated with these hospitals and organizations:

Astrana Health

ANIL RASTOGI MD INC

HEMET HEART MEDICAL CENTER

Alpha Care Medical Group

Ratings & Reviews

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General Payments

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

**Payments by Company**
Abbott Laboratories	$8,691 CRT-Ds $2,878	AVEIR $2,073	Assurity Pacemaker $867	Ensite Cardiac Mapping System $679	Cardiac Mapping System $510	Other $1,685
St. Jude Medical, Inc.	$7,788 Electrophysiology $4,061	CRM $2,240	Unify Assura $772	Electrophysiology (EP) $180	Structural Heart $170	Other $365
Novartis Pharmaceuticals Corporation	$1,405 ENTRESTO $1,162	LEQVIO $243
Amgen Inc.	$1,037 Repatha $1,037
Janssen Pharmaceuticals, Inc	$1,036 XARELTO $1,025	$10
Other	$5,448 WATCHMAN $745	ELIQUIS $453	Barostim Neo System $376	BRILINTA $349	JARDIANCE $334	Other $3,191

**Types of Payments**
Food and Beverage	$14,457
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$4,000
Consulting Fee	$3,666
Travel and Lodging	$3,022
Education	$260

Biography

Dr. Gregory Riva is a specialist in adult cardiology and cardiac electrophysiology (heart rhythm). He works in Hemet, CA and Ste A Hemet, CA. Before performing his residency at Los Angeles County+USC Medical Center, Dr. Riva attended Eastern Virginia Medical School. In addition to English, he speaks Spanish. Dr. Riva is professionally affiliated with Astrana Health. According to Astrana Health, new patients are welcome to contact his office in STE A HEMET, CA.

Select Year:

Dr. Gregory R. Riva, MD

Office Locations

In The News

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. Gregory R. Riva, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Riva, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory R. Riva, 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. Gregory R. Riva, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography