Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CA Providers

Dr. Bret A. Witter, MD

(No ratings)

Specializes in: Adult Cardiology

Baylor College of Medicine (1987)

5300 Katella Avenue
Los Alamitos, CA

(562) 430-7533

Dr. Bret A. Witter, MD is a cardiologist in Los Alamitos, CA specializing in adult cardiology. He graduated from Baylor College of Medicine in 1987 and has 39 years of experience. Dr. Bret A. Witter, MD is affiliated with Long Beach Medical Center, MemorialCare and Miller Children s & Women s Hospital Long Beach.

Office Locations

5300 Katella Avenue
Los Alamitos, CA

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Bret A. Witter, MD in 2023

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

Top 5%

By Affordability:

Holter monitoring

In 2023, Dr. Bret A. Witter, MD had a list price for Holter monitoring 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:

ambulatory cardiac monitoring

ambulatory monitoring

In 2023, Dr. Bret A. Witter, MD had a list price for ambulatory cardiac monitoring, and ambulatory monitoring 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:

inpatient hospital care

In 2012, Dr. Bret A. Witter, MD had a list price for blood tests, cardiac imaging, hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) 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. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2012 were lab tests, hospital care, inpatient care and cardiac procedures.

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	50
cardiac procedures	449
doctor visit	1373
hospital care	465
inpatient care	465
lab tests	808
minimally invasive procedures	13
nuclear scan	33
preventive care	11
stress testing	119
ultrasound (sonogram)	318
vaccines	11

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2013 were lab tests, cardiac procedures, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	52
cardiac procedures	364
doctor visit	1274
hospital care	265
inpatient care	265
lab tests	742
nuclear scan	18
preventive care	14
stress testing	86
ultrasound (sonogram)	282
vaccines	14
vascular procedures	13

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	610
Female	774

**Ethnicity**
Non-Hispanic White	1082
Black	51
Hispanic	128
Asian	99
Other	24
Native American	0

**Age**
From 65 to 74	440
From 75 to 84	480
85 and over	382
Less than 65	82

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2013

Hypertension	75
High Cholesterol	73
Stroke	14
Ischemic Heart Disease	65
Depression	26
Chronic Kidney Disease	40
Asthma	9
Osteoperosis	14
Atrial Fibrilation	34
Heart Failure	41
Chronic Obstructive Pulmonary Disease	24
Diabetes	45
Dementia	21
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2014 were lab tests, hospital care, inpatient care and cardiac procedures.

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	43
cardiac procedures	375
doctor visit	1331
hospital care	417
inpatient care	417
lab tests	638
minimally invasive procedures	11
nuclear scan	19
preventive care	13
stress testing	80
ultrasound (sonogram)	305
vaccines	13
vascular procedures	21

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	618
Female	803

**Ethnicity**
Non-Hispanic White	1117
Black	54
Hispanic	127
Asian	97
Other	26
Native American	0

**Age**
From 65 to 74	402
From 75 to 84	490
85 and over	451
Less than 65	78

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2014

Hypertension	75
High Cholesterol	74
Stroke	15
Ischemic Heart Disease	59
Depression	27
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	16
Atrial Fibrilation	30
Heart Failure	37
Chronic Obstructive Pulmonary Disease	25
Diabetes	43
Dementia	24
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2015 were lab tests, inpatient care, hospital care and cardiac procedures.

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	42
cardiac procedures	414
doctor visit	1299
hospital care	480
implant surgery	12
inpatient care	480
lab tests	667
minimally invasive procedures	32
nuclear scan	23
preventive care	11
stress testing	93
ultrasound (sonogram)	314
vaccines	11
vascular procedures	24

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	1278
Female	1500

**Ethnicity**
Non-Hispanic White	2152
Black	100
Hispanic	258
Asian	204
Other	0
Native American	0

**Age**
From 65 to 74	790
From 75 to 84	1000
85 and over	834
Less than 65	154

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2015

Hypertension	75
High Cholesterol	74
Stroke	15
Ischemic Heart Disease	55
Depression	25
Chronic Kidney Disease	42
Asthma	17
Osteoperosis	16
Atrial Fibrilation	32
Heart Failure	37
Chronic Obstructive Pulmonary Disease	24
Diabetes	43
Dementia	25
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2016 were lab tests, hospital care, inpatient care and cardiac procedures.

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	41
cardiac procedures	440
catheterization	15
diagnostic procedures	15
doctor visit	1251
hospital care	541
inpatient care	541
lab tests	656
minimally invasive procedures	30
nuclear scan	18
stress testing	90
ultrasound (sonogram)	349
vascular procedures	42

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	560
Female	740

**Ethnicity**
Non-Hispanic White	981
Black	49
Hispanic	136
Asian	105
Other	0
Native American	0

**Age**
From 65 to 74	355
From 75 to 84	476
85 and over	390
Less than 65	79

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2016

Hypertension	75
High Cholesterol	71
Stroke	14
Ischemic Heart Disease	54
Depression	26
Chronic Kidney Disease	46
Asthma	27
Osteoperosis	15
Atrial Fibrilation	30
Heart Failure	37
Chronic Obstructive Pulmonary Disease	25
Diabetes	43
Dementia	23
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2017 were cardiac procedures, hospital care, inpatient care and lab tests.

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	41
cardiac procedures	498
catheterization	12
diagnostic procedures	12
doctor visit	1158
hospital care	440
inpatient care	440
lab tests	415
minimally invasive procedures	44
nuclear scan	26
stress testing	116
ultrasound (sonogram)	406
vascular procedures	65

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	643
Female	780

**Ethnicity**
Non-Hispanic White	1091
Black	43
Hispanic	128
Asian	120
Other	0
Native American	0

**Age**
From 65 to 74	403
From 75 to 84	508
85 and over	428
Less than 65	84

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2017

Hypertension	75
High Cholesterol	61
Stroke	14
Ischemic Heart Disease	55
Depression	26
Chronic Kidney Disease	47
Asthma	10
Osteoperosis	14
Atrial Fibrilation	30
Heart Failure	38
Chronic Obstructive Pulmonary Disease	26
Diabetes	41
Dementia	25
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2018 were cardiac procedures, inpatient care, hospital care and lab tests.

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	13
cardiac procedures	502
catheterization	13
diagnostic procedures	13
doctor visit	1262
hospital care	440
implant surgery	11
inpatient care	440
lab tests	423
minimally invasive procedures	65
nuclear scan	47
stress testing	160
ultrasound (sonogram)	371
vascular procedures	50

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	664
Female	820

**Ethnicity**
Non-Hispanic White	1096
Black	49
Hispanic	167
Asian	129
Other	0
Native American	0

**Age**
From 65 to 74	422
From 75 to 84	562
85 and over	410
Less than 65	90

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2018

Hypertension	75
High Cholesterol	73
Stroke	13
Ischemic Heart Disease	56
Depression	29
Chronic Kidney Disease	51
Asthma	9
Osteoperosis	16
Atrial Fibrilation	29
Heart Failure	35
Chronic Obstructive Pulmonary Disease	22
Diabetes	42
Dementia	24
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2019 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

cardiac procedures	482
doctor visit	1326
hospital care	504
inpatient care	504
lab tests	221
minimally invasive procedures	36
nuclear scan	26
stress testing	130
ultrasound (sonogram)	426
vascular procedures	40

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	695
Female	888

**Ethnicity**
Non-Hispanic White	1151
Black	63
Hispanic	151
Asian	166
Other	0
Native American	0

**Age**
From 65 to 74	470
From 75 to 84	586
85 and over	445
Less than 65	82

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2019

Hypertension	75
High Cholesterol	70
Stroke	12
Ischemic Heart Disease	55
Depression	32
Chronic Kidney Disease	50
Asthma	11
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	36
Chronic Obstructive Pulmonary Disease	23
Diabetes	41
Dementia	24
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2020 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	15
cardiac procedures	416
cardioversion	17
doctor visit	1180
hospital care	401
inpatient care	401
lab tests	229
minimally invasive procedures	17
nuclear scan	22
stress testing	100
ultrasound (sonogram)	349
vascular procedures	29

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	627
Female	739

**Ethnicity**
Non-Hispanic White	1008
Black	46
Hispanic	129
Asian	142
Other	0
Native American	0

**Age**
From 65 to 74	411
From 75 to 84	533
85 and over	354
Less than 65	68

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2020

Hypertension	75
High Cholesterol	69
Stroke	14
Ischemic Heart Disease	58
Depression	29
Chronic Kidney Disease	50
Asthma	11
Osteoperosis	15
Atrial Fibrilation	29
Heart Failure	36
Chronic Obstructive Pulmonary Disease	22
Diabetes	41
Dementia	26
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2021 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	39
cardiac procedures	469
doctor visit	1119
hospital care	437
inpatient care	437
lab tests	189
minimally invasive procedures	37
nuclear scan	28
stress testing	93
ultrasound (sonogram)	358
vascular procedures	21

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	637
Female	810

**Ethnicity**
Non-Hispanic White	1046
Black	59
Hispanic	155
Asian	137
Other	0
Native American	0

**Age**
From 65 to 74	417
From 75 to 84	571
85 and over	378
Less than 65	81

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2021

Hypertension	75
High Cholesterol	69
Stroke	11
Ischemic Heart Disease	54
Depression	27
Chronic Kidney Disease	52
Asthma	11
Osteoperosis	14
Atrial Fibrilation	29
Heart Failure	37
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Dementia	27
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2022 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	41
cardiac procedures	412
cardioversion	12
doctor visit	1093
hospital care	331
inpatient care	331
lab tests	198
minimally invasive procedures	34
nuclear scan	26
stress testing	100
ultrasound (sonogram)	311
vascular procedures	22

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	587
Female	708

**Ethnicity**
Non-Hispanic White	931
Black	51
Hispanic	117
Asian	149
Other	0
Native American	0

**Age**
From 65 to 74	390
From 75 to 84	499
85 and over	341
Less than 65	65

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	38
Asthma	11
Osteoperosis	22
Atrial Fibrilation	40
Heart Failure	35
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	19
Cancer	19

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA during 2023 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

ambulatory monitoring	37
cardiac procedures	441
cardioversion	13
doctor visit	1121
hospital care	344
inpatient care	344
lab tests	156
minimally invasive procedures	14
nuclear scan	19
stress testing	100
ultrasound (sonogram)	364
vascular procedures	22

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	591
Female	753

**Ethnicity**
Non-Hispanic White	961
Black	62
Hispanic	124
Asian	136
Other	0
Native American	0

**Age**
From 65 to 74	398
From 75 to 84	556
85 and over	320
Less than 65	70

Conditions of Medicare patients treated by Dr. Bret A. Witter, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	40
Depression	26
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	20
Atrial Fibrilation	37
Heart Failure	32
Chronic Obstructive Pulmonary Disease	22
Diabetes	39
Dementia	18
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Bret A. Witter, MD for Medicare patients.

The highest averages for the top procedures that Dr. Bret A. Witter, MD treated as a cardiologist in Los Alamitos, CA were lab tests, cardiac procedures, inpatient care and hospital care.

ambulatory monitoring	37
cardiac procedures	438
cardioversion	14
catheterization	13
diagnostic procedures	13
doctor visit	1232
hospital care	422
implant surgery	11
inpatient care	422
lab tests	445
minimally invasive procedures	30
nuclear scan	25
preventive care	12
stress testing	105
ultrasound (sonogram)	346
vaccines	12
vascular procedures	31

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Bret A. Witter, MD.

**Gender**
Male	625
Female	776

**Ethnicity**
Black / African American	52
Asian / Pacific Islander	123
Non-Hispanic White	1051
Hispanic	135
Native American / Alaskan Native	0
Other	4

**Age**
75 to 84	521
85 and over	394
Less than 65	77
65 to 74	408

Average of Total of Conditions of Medicare patients treated by Dr. Bret A. Witter, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	65
Stroke	13
Ischemic Heart Disease	49
Depression	24
Chronic Kidney Disease	40
Asthma	11
Osteoporosis	14
Heart Failure	33
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Atrial Fibrillation	29
Cancer	15
Dementia	21

Education & Training

Dr. Bret A. Witter, MD graduated from Baylor College of Medicine in 1987. He completed residency at St. Mary Medical Center, Long Beach. He has a state license in California.

Medical School: Baylor College of Medicine (1987)

Residency: St. Mary Medical Center, Long Beach (1990)

Licensed In: California

Affiliations & Hospitals

Dr. Bret A. Witter, MD is associated with these hospitals and organizations:

Long Beach Medical Center

MemorialCare

Miller Children s & Women s Hospital Long Beach

Ratings & Reviews

Dr. Bret A. Witter, MD does not have any reviews yet, be the first to leave a review of Dr. Bret A. Witter, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$575 XARELTO $522	INVOKANA $53
Novartis Pharmaceuticals Corporation	$464 ENTRESTO $358	LEQVIO $105
Amgen Inc.	$342 Repatha $289	Corlanor $52	$0
SANOFI-AVENTIS U.S. LLC	$305 PRALUENT $204	MULTAQ $101
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)	$202 LifeVest $202
Other	$1,912 Lexiscan $183	ATRICLIP LAA EXCLUSION SYSTEM $119	Definity $109	PRALUENT (alirocumab) Injection $73	Reveal LINQ $71	Other $1,356

**Types of Payments**
Food and Beverage	$3,800

Biography

Dr. Bret Witter is a medical specialist in adult cardiology. He graduated from Baylor College of Medicine and then he performed his residency at St. Mary Medical Center, Long Beach. He is affiliated with Long Beach Medical Center.