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Dr. William L. Madrid, MD

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Specializes in: Adult Cardiology

University of Valle (1979)

3650 E South Street
Lakewood, CA

(562) 531-1980

Dr. William L. Madrid, MD is a cardiologist in Lakewood, CA specializing in adult cardiology. He graduated from University of Valle in 1979 and has 47 years of experience. Dr. William L. Madrid, MD is affiliated with Long Beach Medical Center and MemorialCare.

Office Locations

3650 E South Street
Lakewood, CA

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3650 South Street Suite 310
Lakewood, CA 90712

(562) 531-1980

(562) 531-7952

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Noteworthy Medicare Patient Procedures Performed by Dr. William L. Madrid, MD in 2023

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

Top 5%

By Affordability:

electrocardiogram

stress EKG

In 2023, Dr. William L. Madrid, MD had a list price for electrocardiogram (EKG), and stress EKG 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 25%

By Volume:

inpatient hospital care

By Affordability:

cardiac imaging

color Doppler echocardiography

Doppler echocardiography

echocardiogram

spectral Doppler echocardiography

In 2012, among providers in related specialties within California, Dr. William L. Madrid, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and he also had a list price for cardiac imaging, color Doppler echocardiography, Doppler echocardiography, echocardiogram (echo), and spectral Doppler echocardiography 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. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2012 were hospital care, inpatient care, minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	27
catheterization	27
diagnostic procedures	14
doctor visit	1086
hospital care	1211
inpatient care	1211
minimally invasive procedures	27
stent placement (stenting)	13
vascular procedures	14

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2013 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	201
catheterization	20
diagnostic procedures	20
doctor visit	1123
hospital care	1149
inpatient care	1149
minimally invasive procedures	20
stress testing	30
ultrasound (sonogram)	151
vascular procedures	20

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	326
Female	440

**Ethnicity**
Non-Hispanic White	264
Black	133
Hispanic	261
Asian	85
Other	0
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	240
85 and over	159
Less than 65	132

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2013

Hypertension	75
High Cholesterol	67
Stroke	16
Ischemic Heart Disease	69
Depression	26
Chronic Kidney Disease	52
Asthma	16
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	51
Chronic Obstructive Pulmonary Disease	32
Diabetes	60
Dementia	23
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2014 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	57
catheterization	17
diagnostic procedures	17
doctor visit	723
hospital care	1071
inpatient care	1071
minimally invasive procedures	17
stress testing	12
ultrasound (sonogram)	28
vascular procedures	17

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	209
Female	296

**Ethnicity**
Non-Hispanic White	179
Black	85
Hispanic	172
Asian	56
Other	0
Native American	0

**Age**
From 65 to 74	156
From 75 to 84	155
85 and over	136
Less than 65	58

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	15
Ischemic Heart Disease	71
Depression	26
Chronic Kidney Disease	56
Asthma	12
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	54
Chronic Obstructive Pulmonary Disease	31
Diabetes	58
Dementia	26
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2015 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	59
catheterization	12
diagnostic procedures	12
doctor visit	765
hospital care	794
inpatient care	794
minimally invasive procedures	12
ultrasound (sonogram)	47
vascular procedures	12

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	406
Female	544

**Ethnicity**
Non-Hispanic White	308
Black	168
Hispanic	348
Asian	96
Other	30
Native American	0

**Age**
From 65 to 74	320
From 75 to 84	294
85 and over	210
Less than 65	126

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2015

Hypertension	75
High Cholesterol	71
Stroke	14
Ischemic Heart Disease	67
Depression	23
Chronic Kidney Disease	57
Asthma	20
Osteoperosis	9
Atrial Fibrilation	30
Heart Failure	56
Chronic Obstructive Pulmonary Disease	32
Diabetes	64
Dementia	25
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2016 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	109
doctor visit	855
hospital care	1104
inpatient care	1104
stress testing	11
ultrasound (sonogram)	98

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	256
Female	336

**Ethnicity**
Non-Hispanic White	203
Black	92
Hispanic	209
Asian	70
Other	0
Native American	0

**Age**
From 65 to 74	189
From 75 to 84	195
85 and over	119
Less than 65	89

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2016

Hypertension	75
High Cholesterol	71
Stroke	16
Ischemic Heart Disease	64
Depression	27
Chronic Kidney Disease	61
Asthma	34
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	58
Chronic Obstructive Pulmonary Disease	32
Diabetes	61
Dementia	28
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2017 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	337
catheterization	14
diagnostic procedures	14
doctor visit	949
hospital care	1327
inpatient care	1327
minimally invasive procedures	14
stress testing	16
ultrasound (sonogram)	307
vascular procedures	14

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	299
Female	365

**Ethnicity**
Non-Hispanic White	241
Black	115
Hispanic	203
Asian	88
Other	0
Native American	0

**Age**
From 65 to 74	189
From 75 to 84	210
85 and over	139
Less than 65	126

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2017

Hypertension	75
High Cholesterol	67
Stroke	17
Ischemic Heart Disease	68
Depression	27
Chronic Kidney Disease	68
Asthma	12
Osteoperosis	9
Atrial Fibrilation	30
Heart Failure	60
Chronic Obstructive Pulmonary Disease	33
Diabetes	62
Dementia	31
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2018 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	319
doctor visit	760
hospital care	772
inpatient care	772
stress testing	39
ultrasound (sonogram)	280

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	309
Female	340

**Ethnicity**
Non-Hispanic White	207
Black	130
Hispanic	220
Asian	80
Other	0
Native American	0

**Age**
From 65 to 74	213
From 75 to 84	189
85 and over	127
Less than 65	120

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	68
Depression	29
Chronic Kidney Disease	65
Asthma	12
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	59
Chronic Obstructive Pulmonary Disease	35
Diabetes	65
Dementia	30
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2019 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	331
catheterization	11
diagnostic procedures	11
doctor visit	754
hospital care	727
inpatient care	727
minimally invasive procedures	11
stress testing	42
ultrasound (sonogram)	278
vascular procedures	11

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	254
Female	336

**Ethnicity**
Non-Hispanic White	194
Black	96
Hispanic	197
Asian	86
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	194
85 and over	116
Less than 65	81

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	67
Depression	28
Chronic Kidney Disease	64
Asthma	9
Osteoperosis	12
Atrial Fibrilation	28
Heart Failure	51
Chronic Obstructive Pulmonary Disease	25
Diabetes	66
Dementia	25
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2020 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	308
catheterization	11
diagnostic procedures	11
doctor visit	613
hospital care	547
inpatient care	547
minimally invasive procedures	11
stress testing	40
ultrasound (sonogram)	257
vascular procedures	11

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	229
Female	269

**Ethnicity**
Non-Hispanic White	167
Black	73
Hispanic	178
Asian	65
Other	15
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	171
85 and over	84
Less than 65	55

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	73
Depression	28
Chronic Kidney Disease	66
Asthma	11
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	54
Chronic Obstructive Pulmonary Disease	27
Diabetes	70
Dementia	24
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2021 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	295
doctor visit	581
hospital care	373
inpatient care	373
stress testing	44
ultrasound (sonogram)	251

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	219
Female	276

**Ethnicity**
Non-Hispanic White	182
Black	75
Hispanic	170
Asian	55
Other	0
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	167
85 and over	91
Less than 65	56

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	69
Depression	28
Chronic Kidney Disease	66
Asthma	10
Osteoperosis	11
Atrial Fibrilation	29
Heart Failure	54
Chronic Obstructive Pulmonary Disease	26
Diabetes	62
Dementia	24
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2022 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	340
doctor visit	601
hospital care	369
inpatient care	369
nuclear scan	15
stress testing	46
ultrasound (sonogram)	294

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	221
Female	314

**Ethnicity**
Non-Hispanic White	203
Black	82
Hispanic	174
Asian	57
Other	0
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	194
85 and over	96
Less than 65	65

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	52
Depression	26
Chronic Kidney Disease	52
Asthma	14
Osteoperosis	17
Atrial Fibrilation	41
Heart Failure	49
Chronic Obstructive Pulmonary Disease	27
Diabetes	63
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA during 2023 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

cardiac procedures	378
doctor visit	557
hospital care	403
inpatient care	403
nuclear scan	36
stress testing	56
ultrasound (sonogram)	322

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Male	237
Female	291

**Ethnicity**
Non-Hispanic White	182
Black	91
Hispanic	173
Asian	68
Other	14
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	182
85 and over	108
Less than 65	55

Conditions of Medicare patients treated by Dr. William L. Madrid, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	54
Asthma	16
Osteoperosis	15
Atrial Fibrilation	41
Heart Failure	50
Chronic Obstructive Pulmonary Disease	30
Diabetes	63
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. William L. Madrid, MD for Medicare patients.

The highest averages for the top procedures that Dr. William L. Madrid, MD treated as a cardiologist in Lakewood, CA were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

cardiac procedures	230
catheterization	16
diagnostic procedures	14
doctor visit	780
hospital care	820
inpatient care	820
minimally invasive procedures	16
nuclear scan	25
stent placement (stenting)	13
stress testing	33
ultrasound (sonogram)	210
vascular procedures	14

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. William L. Madrid, MD.

**Gender**
Female	317
Male	247

**Ethnicity**
Black / African American	95
Asian / Pacific Islander	67
Non-Hispanic White	194
Native American / Alaskan Native	0
Hispanic	192
Other	4

**Age**
75 to 84	182
85 and over	115
Less than 65	80
65 to 74	186

Average of Total of Conditions of Medicare patients treated by Dr. William L. Madrid, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. William L. Madrid, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	66
Stroke	15
Ischemic Heart Disease	59
Depression	24
Chronic Kidney Disease	55
Asthma	13
Osteoporosis	10
Heart Failure	49
Chronic Obstructive Pulmonary Disease	27
Diabetes	57
Atrial Fibrillation	27
Dementia	23
Cancer	10

Education & Training

Dr. William L. Madrid, MD graduated from University of Valle in 1979. He completed residency at John Stroger Hospital of Cook County. He has a state license in California.

Medical School: University of Valle (1979)

Residency: John Stroger Hospital of Cook County (1987)

Licensed In: California

Affiliations & Hospitals

Dr. William L. Madrid, MD is associated with these hospitals and organizations:

Long Beach Medical Center

MemorialCare

Ratings & Reviews

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General Payments

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

**Payments by Company**
St. Jude Medical, Inc.	$2,894 CRM $2,500	Vascular $277	Electrophysiology $111	Neuro-Chronic Pain $6
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)	$1,094 LifeVest $1,094
Novartis Pharmaceuticals Corporation	$1,028 ENTRESTO $613	LEQVIO $415
Edwards Lifesciences Corporation	$847 Edwards SAPIEN 3 Transcatheter Heart Valve $404	Transcatheter Heart Valves $226	EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) $217
E.R. Squibb & Sons, L.L.C.	$507 ELIQUIS $355	CAMZYOS $152
Other	$4,127 BRILINTA $443	XARELTO $430	Ozempic $280	Impella $243	ELIQUIS $215	Other $2,515

**Types of Payments**
Food and Beverage	$10,104
Education	$392

Biography

Dr. William Madrid specializes in adult cardiology and practices in Lakewood, CA. Dr. Madrid is affiliated with Long Beach Medical Center. He attended medical school at the University of Valle. He trained at John Stroger Hospital of Cook County for his residency. He is conversant in Spanish.