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Home > WA Providers > Interventional Cardiologists

Dr. Rex C. Liu, MD

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Specializes in: Advanced Heart Failure and Transplant Cardiology, Interventional Cardiology and Adult Cardiology

307 S 13th Street Suite 300
Mount Vernon, WA 98274

(360) 336-9757

Dr. Rex C. Liu, MD is a cardiologist in Mount Vernon, WA specializing in advanced heart failure and transplant cardiology, interventional cardiology and adult cardiology.

Office Locations

307 S 13th Street Suite 300
Mount Vernon, WA 98274

(360) 336-9757

(360) 814-5237

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Noteworthy Medicare Patient Procedures Performed by Dr. Rex C. Liu, MD in 2024

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

Top 5%

By Volume:

prothrombin time test

By Affordability:

color Doppler echocardiography

Doppler echocardiography

Doppler ultrasound

myocardial perfusion SPECT

nuclear scan

nuclear stress test

spectral Doppler echocardiography

SPECT scan

transesophageal echocardiography

transthoracic echocardiography

In 2024, among providers in related specialties within Washington, Dr. Rex C. Liu, MD performed more prothrombin time (PT) test procedures for Medicare patients than 95% of them and he also had a list price for color Doppler echocardiography, Doppler echocardiography, Doppler ultrasound, myocardial perfusion SPECT, nuclear scan, nuclear stress test (myocardial perfusion imaging), spectral Doppler echocardiography, SPECT scan, transesophageal echocardiography (TEE), and transthoracic echocardiography (TTE) that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Volume:

echocardiogram

ultrasound

By Affordability:

echocardiogram

ultrasound

In 2024, among providers in related specialties within Washington, Dr. Rex C. Liu, MD performed more echocardiogram (echo), and ultrasound (sonogram) procedures for Medicare patients than 90% of them and he also had a list price for echocardiogram (echo), and ultrasound (sonogram) that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Volume:

cardioversion

Doppler echocardiography

elective external cardioversion

inpatient hospital care

minimally invasive procedures

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within Washington, Dr. Rex C. Liu, MD performed more cardioversion, Doppler echocardiography, elective external cardioversion, inpatient hospital care (for patient admitted to hospital), and minimally invasive procedures procedures for Medicare patients than 75% of them and he also had a list price for 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 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. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2012 were cardiac procedures, stress testing, inpatient care and hospital care.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

abdominal imaging	16
cardiac procedures	857
catheterization	67
diagnostic procedures	50
doctor visit	883
hospital care	547
inpatient care	547
lab tests	87
minimally invasive procedures	67
nuclear scan	336
pelvic imaging	16
stent placement (stenting)	17
stress testing	674
ultrasound (sonogram)	282
vascular procedures	216

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2013 were cardiac procedures, inpatient care, hospital care and stress testing.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

abdominal imaging	14
cardiac procedures	1026
catheterization	74
diagnostic procedures	74
doctor visit	972
hospital care	921
inpatient care	921
lab tests	61
minimally invasive procedures	93
nuclear scan	292
pelvic imaging	14
stress testing	608
ultrasound (sonogram)	494
vascular procedures	207

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	556
Female	684

**Ethnicity**
Non-Hispanic White	207
Black	25
Hispanic	569
Asian	413
Other	0
Native American	0

**Age**
From 65 to 74	382
From 75 to 84	431
85 and over	270
Less than 65	157

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	18
Atrial Fibrilation	24
Heart Failure	45
Chronic Obstructive Pulmonary Disease	25
Diabetes	60
Dementia	22
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2014 were cardiac procedures, hospital care, inpatient care and stress testing.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

abdominal imaging	13
angioplasty	52
cardiac procedures	923
catheterization	194
diagnostic procedures	103
doctor visit	869
emergency care	13
hospital care	751
inpatient care	738
minimally invasive procedures	194
nuclear scan	230
outpatient care	13
pelvic imaging	13
stent placement (stenting)	52
stress testing	483
ultrasound (sonogram)	386
vascular procedures	206

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	476
Female	561

**Ethnicity**
Non-Hispanic White	158
Black	0
Hispanic	513
Asian	332
Other	19
Native American	0

**Age**
From 65 to 74	323
From 75 to 84	376
85 and over	205
Less than 65	133

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	73
Depression	22
Chronic Kidney Disease	49
Asthma	11
Osteoperosis	17
Atrial Fibrilation	20
Heart Failure	41
Chronic Obstructive Pulmonary Disease	21
Diabetes	65
Dementia	20
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2015 were cardiac procedures, inpatient care, hospital care and stress testing.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

abdominal imaging	13
angioplasty	28
cardiac procedures	895
catheterization	148
diagnostic procedures	89
doctor visit	974
emergency care	17
hospital care	724
inpatient care	724
minimally invasive procedures	148
nuclear scan	229
pelvic imaging	13
stent placement (stenting)	28
stress testing	459
ultrasound (sonogram)	394
vascular procedures	180

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	962
Female	1098

**Ethnicity**
Non-Hispanic White	328
Black	0
Hispanic	1006
Asian	654
Other	44
Native American	0

**Age**
From 65 to 74	656
From 75 to 84	744
85 and over	406
Less than 65	254

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	72
Depression	24
Chronic Kidney Disease	48
Asthma	16
Osteoperosis	16
Atrial Fibrilation	20
Heart Failure	43
Chronic Obstructive Pulmonary Disease	21
Diabetes	62
Dementia	23
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2016 were cardiac procedures, stress testing, hospital care and inpatient care.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

cardiac procedures	609
catheterization	39
diagnostic procedures	39
doctor visit	1028
hospital care	336
inpatient care	336
minimally invasive procedures	39
nuclear scan	195
pulmonary testing	12
stress testing	393
ultrasound (sonogram)	260
vascular procedures	122

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	403
Female	446

**Ethnicity**
Non-Hispanic White	144
Black	0
Hispanic	398
Asian	279
Other	0
Native American	0

**Age**
From 65 to 74	273
From 75 to 84	307
85 and over	165
Less than 65	104

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2016

Hypertension	75
High Cholesterol	73
Stroke	8
Ischemic Heart Disease	73
Depression	23
Chronic Kidney Disease	58
Asthma	26
Osteoperosis	18
Atrial Fibrilation	24
Heart Failure	40
Chronic Obstructive Pulmonary Disease	24
Diabetes	61
Dementia	21
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2017 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

cardiac procedures	83
doctor visit	540
hospital care	389
inpatient care	389
nuclear scan	39
stress testing	51
ultrasound (sonogram)	32

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	223
Female	157

**Ethnicity**
Non-Hispanic White	324
Black	0
Hispanic	14
Asian	11
Other	0
Native American	16

**Age**
From 65 to 74	146
From 75 to 84	140
85 and over	51
Less than 65	43

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	12
Ischemic Heart Disease	66
Depression	30
Chronic Kidney Disease	51
Asthma	12
Osteoperosis	7
Atrial Fibrilation	40
Heart Failure	67
Chronic Obstructive Pulmonary Disease	30
Diabetes	38
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2018 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

cardiac procedures	166
cardioversion	17
doctor visit	818
hospital care	363
inpatient care	363
minimally invasive procedures	11
nuclear scan	50
stress testing	68
ultrasound (sonogram)	98

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	340
Female	247

**Ethnicity**
Non-Hispanic White	520
Black	0
Hispanic	18
Asian	18
Other	0
Native American	18

**Age**
From 65 to 74	207
From 75 to 84	214
85 and over	99
Less than 65	67

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2018

Hypertension	75
High Cholesterol	62
Stroke	12
Ischemic Heart Disease	68
Depression	28
Chronic Kidney Disease	50
Asthma	8
Osteoperosis	7
Atrial Fibrilation	41
Heart Failure	68
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2019 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

cardiac procedures	151
cardioversion	11
doctor visit	791
hospital care	279
inpatient care	279
nuclear scan	50
stress testing	103
ultrasound (sonogram)	48

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	413
Female	336

**Ethnicity**
Non-Hispanic White	651
Black	11
Hispanic	23
Asian	25
Other	19
Native American	20

**Age**
From 65 to 74	280
From 75 to 84	289
85 and over	117
Less than 65	63

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2019

Hypertension	75
High Cholesterol	58
Stroke	10
Ischemic Heart Disease	68
Depression	24
Chronic Kidney Disease	47
Asthma	9
Osteoperosis	8
Atrial Fibrilation	38
Heart Failure	64
Chronic Obstructive Pulmonary Disease	24
Diabetes	37
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2020 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

cardiac procedures	88
doctor visit	789
hospital care	151
inpatient care	151
nuclear scan	31
stress testing	60
ultrasound (sonogram)	28

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	361
Female	323

**Ethnicity**
Non-Hispanic White	607
Black	0
Hispanic	22
Asian	17
Other	19
Native American	0

**Age**
From 65 to 74	265
From 75 to 84	245
85 and over	111
Less than 65	63

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2020

Hypertension	75
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	71
Depression	25
Chronic Kidney Disease	49
Asthma	7
Osteoperosis	8
Atrial Fibrilation	39
Heart Failure	69
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2021 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

cardiac procedures	98
doctor visit	951
hospital care	170
inpatient care	170
nuclear scan	20
stress testing	84
ultrasound (sonogram)	14

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	372
Female	294

**Ethnicity**
Non-Hispanic White	594
Black	0
Hispanic	24
Asian	0
Other	15
Native American	15

**Age**
From 65 to 74	271
From 75 to 84	231
85 and over	104
Less than 65	60

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2021

Hypertension	75
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	68
Depression	21
Chronic Kidney Disease	48
Asthma	8
Osteoperosis	9
Atrial Fibrilation	38
Heart Failure	67
Chronic Obstructive Pulmonary Disease	17
Diabetes	37
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2022 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

cardiac procedures	77
doctor visit	863
hospital care	142
inpatient care	142
nuclear scan	26
stress testing	65
ultrasound (sonogram)	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	332
Female	269

**Ethnicity**
Non-Hispanic White	536
Black	0
Hispanic	15
Asian	16
Other	16
Native American	0

**Age**
From 65 to 74	219
From 75 to 84	235
85 and over	105
Less than 65	42

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2022

Hypertension	75
High Cholesterol	71
Stroke	11
Ischemic Heart Disease	56
Depression	22
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	14
Atrial Fibrilation	50
Heart Failure	71
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2023 were hospital care, inpatient care, cardiac procedures and lab tests.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

cardiac procedures	133
doctor visit	855
hospital care	169
inpatient care	169
lab tests	105
nuclear scan	41
stress testing	57
ultrasound (sonogram)	76

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	438
Female	414

**Ethnicity**
Non-Hispanic White	742
Black	0
Hispanic	28
Asian	23
Other	0
Native American	35

**Age**
From 65 to 74	273
From 75 to 84	354
85 and over	159
Less than 65	66

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2023

Hypertension	75
High Cholesterol	71
Stroke	12
Ischemic Heart Disease	55
Depression	25
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	15
Atrial Fibrilation	46
Heart Failure	61
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	8
Cancer	19

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA during 2024 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

cardiac procedures	518
cardioversion	17
catheterization	24
diagnostic procedures	24
doctor visit	918
hospital care	191
inpatient care	191
lab tests	31
minimally invasive procedures	47
nuclear scan	50
stress testing	50
ultrasound (sonogram)	444
vascular procedures	24

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	846
Female	962

**Ethnicity**
Non-Hispanic White	1621
Black	0
Hispanic	57
Asian	25
Other	74
Native American	0

**Age**
From 65 to 74	640
From 75 to 84	714
85 and over	342
Less than 65	112

Conditions of Medicare patients treated by Dr. Rex C. Liu, MD in 2024

Hypertension	75
High Cholesterol	73
Stroke	16
Ischemic Heart Disease	39
Depression	24
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	14
Atrial Fibrilation	40
Heart Failure	38
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Dementia	10
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Rex C. Liu, MD for Medicare patients.

The highest averages for the top procedures that Dr. Rex C. Liu, MD treated as a cardiologist in Mount Vernon, WA were cardiac procedures, hospital care, inpatient care and stress testing.

abdominal imaging	14
angioplasty	40
cardiac procedures	432
cardioversion	15
catheterization	91
diagnostic procedures	63
doctor visit	865
emergency care	15
hospital care	394
inpatient care	393
lab tests	71
minimally invasive procedures	85
nuclear scan	122
outpatient care	13
pelvic imaging	14
pulmonary testing	12
stent placement (stenting)	32
stress testing	242
ultrasound (sonogram)	197
vascular procedures	159

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Rex C. Liu, MD.

**Gender**
Male	440
Female	445

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	139
Non-Hispanic White	494
Native American / Alaskan Native	8
Hispanic	206
Other	15

**Age**
75 to 84	329
85 and over	164
Less than 65	89
65 to 74	302

Average of Total of Conditions of Medicare patients treated by Dr. Rex C. Liu, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	60
Depression	22
Chronic Kidney Disease	42
Asthma	11
Osteoporosis	11
Heart Failure	51
Chronic Obstructive Pulmonary Disease	21
Diabetes	41
Atrial Fibrillation	32
Dementia	12
Cancer	12

Education & Training

He has a state license in Washington.

Licensed In: Washington

Ratings & Reviews

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General Payments

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

**Payments by Company**
Novartis Pharmaceuticals Corporation	$26,856 ENTRESTO $26,744	LEQVIO $76	NON BRAND $36
St. Jude Medical, Inc.	$4,953 HeartMate PHP $3,226	CardioMEMS HF System $606	CRM $422	Vascular $324	Unify Assura $194	Other $182
Abbott Laboratories	$3,988 Vascular $1,560	HeartMate 3 Left Ventricular Dev $1,211	Absorb GT1 $371	Asahi Fielder coronary guide wire $227	Xience V coronary stent system $221	Other $398
Thoratec Corporation	$3,544 HeartMate II $3,544
Bayer HealthCare Pharmaceuticals Inc.	$2,594 Adempas $2,594
Other	$6,517 ELIQUIS $1,139	XARELTO $700	BRILINTA $397	Impella $266	Aquadex $230	Other $3,784

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$17,050
Food and Beverage	$15,214
Travel and Lodging	$7,775
Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program	$5,180
Consulting Fee	$3,000
Other	$234

Biography

Dr. Rex Liu is an adult cardiology, interventional cardiology, and advanced heart failure and transplant cardiology specialist in Mount Vernon, WA. Dr. Liu has obtained a license to practice in Washington.