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Dr. Joonun Choi, MD

Accepting New Patients

(Joonun Choi)

(1 Rating)

Specializes in: Cardiology (Heart Disease) and General Practice

New York Medical College (1990)

29 HOSPITAL PLAZA SUITE 502
STAMFORD, CT 06902

(203) 348-7410

Dr. Joonun Choi, MD is a cardiologist in STAMFORD, CT specializing in cardiology (heart disease) and general practice. He graduated from New York Medical College in 1990 and has 36 years of experience. Dr. Joonun Choi, MD is affiliated with Stamford Health Medical Group.

Office Locations

29 HOSPITAL PLAZA SUITE 502
STAMFORD, CT 06902

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75 Holly Hill Lane Suite 202
Greenwich, CT 06830

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Noteworthy Medicare Patient Procedures Performed by Dr. Joonun Choi, MD in 2023

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

Top 5%

By Volume:

cardiac stress testing

cardiac procedures

Doppler echocardiography

echocardiogram

inpatient hospital care

stress EKG

ultrasound

By Affordability:

stress EKG

In 2023, among providers in related specialties within Connecticut, Dr. Joonun Choi, MD performed more cardiac (heart) stress testing, cardiac procedures, Doppler echocardiography, echocardiogram (echo), inpatient hospital care (for patient admitted to hospital), stress EKG, and ultrasound (sonogram) procedures for Medicare patients than 95% of them and he also had a list price for stress EKG 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 Affordability:

myocardial perfusion SPECT

In 2023, Dr. Joonun Choi, MD had a list price for myocardial perfusion SPECT, nuclear scan, nuclear stress test (myocardial perfusion imaging), SPECT scan, and stress echo that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Connecticut. 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:

transesophageal echocardiography

By Affordability:

cardiac stress testing

color Doppler echocardiography

Doppler echocardiography

spectral Doppler echocardiography

stress testing

transthoracic echocardiography

In 2012, among providers in related specialties within Connecticut, Dr. Joonun Choi, MD performed more transesophageal echocardiography (TEE) procedures for Medicare patients than 75% of them and he also had a list price for cardiac (heart) stress testing, color Doppler echocardiography, Doppler echocardiography, spectral Doppler echocardiography, stress testing, and transthoracic echocardiography (TTE) 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. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2012 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	160
cardioversion	15
doctor visit	568
hospital care	602
inpatient care	602
minimally invasive procedures	13
nuclear scan	38
stress testing	95
ultrasound (sonogram)	80

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2013 were cardiac procedures, hospital care, inpatient care and stress testing.

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	622
cardioversion	13
doctor visit	568
hospital care	489
inpatient care	489
minimally invasive procedures	17
nuclear scan	237
stress testing	349
ultrasound (sonogram)	341
vascular procedures	30

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	537
Female	536

**Ethnicity**
Non-Hispanic White	834
Black	129
Hispanic	66
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	341
From 75 to 84	387
85 and over	267
Less than 65	78

Conditions of Medicare patients treated by Dr. Joonun Choi, MD in 2013

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	56
Depression	20
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	8
Atrial Fibrilation	26
Heart Failure	32
Chronic Obstructive Pulmonary Disease	12
Diabetes	37
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2014 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	416
cardioversion	19
doctor visit	673
hospital care	417
inpatient care	417
minimally invasive procedures	23
nuclear scan	153
stress testing	255
ultrasound (sonogram)	189

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	492
Female	507

**Ethnicity**
Non-Hispanic White	742
Black	123
Hispanic	82
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	322
From 75 to 84	348
85 and over	245
Less than 65	84

Conditions of Medicare patients treated by Dr. Joonun Choi, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	48
Depression	19
Chronic Kidney Disease	25
Asthma	9
Osteoperosis	7
Atrial Fibrilation	28
Heart Failure	28
Chronic Obstructive Pulmonary Disease	13
Diabetes	33
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2015 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	341
cardioversion	18
doctor visit	705
hospital care	573
inpatient care	573
minimally invasive procedures	16
nuclear scan	57
stress testing	231
ultrasound (sonogram)	137

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	1018
Female	1008

**Ethnicity**
Non-Hispanic White	1506
Black	256
Hispanic	162
Asian	58
Other	44
Native American	0

**Age**
From 65 to 74	682
From 75 to 84	686
85 and over	486
Less than 65	172

Conditions of Medicare patients treated by Dr. Joonun Choi, MD in 2015

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	52
Depression	20
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	8
Atrial Fibrilation	28
Heart Failure	34
Chronic Obstructive Pulmonary Disease	14
Diabetes	34
Dementia	14
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2016 were cardiac procedures, hospital care, inpatient care and stress testing.

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	556
cardioversion	15
doctor visit	796
emergency care	12
hospital care	532
inpatient care	532
nuclear scan	116
stress testing	320
ultrasound (sonogram)	289

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	527
Female	532

**Ethnicity**
Non-Hispanic White	799
Black	123
Hispanic	87
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	366
From 75 to 84	340
85 and over	269
Less than 65	84

Conditions of Medicare patients treated by Dr. Joonun Choi, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	9
Ischemic Heart Disease	51
Depression	21
Chronic Kidney Disease	31
Asthma	17
Osteoperosis	9
Atrial Fibrilation	29
Heart Failure	33
Chronic Obstructive Pulmonary Disease	15
Diabetes	36
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2017 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	296
cardioversion	14
doctor visit	884
hospital care	563
inpatient care	563
stress testing	89
ultrasound (sonogram)	263

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	527
Female	556

**Ethnicity**
Non-Hispanic White	805
Black	111
Hispanic	101
Asian	35
Other	31
Native American	0

**Age**
From 65 to 74	346
From 75 to 84	343
85 and over	290
Less than 65	104

Conditions of Medicare patients treated by Dr. Joonun Choi, MD in 2017

Hypertension	75
High Cholesterol	51
Stroke	9
Ischemic Heart Disease	49
Depression	22
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	9
Atrial Fibrilation	28
Heart Failure	34
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2018 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	930
cardioversion	18
doctor visit	857
hospital care	454
inpatient care	454
lab tests	43
minimally invasive procedures	29
nuclear scan	128
stress testing	383
ultrasound (sonogram)	605

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	1120
Female	1289

**Ethnicity**
Non-Hispanic White	1793
Black	289
Hispanic	195
Asian	64
Other	68
Native American	0

**Age**
From 65 to 74	719
From 75 to 84	784
85 and over	693
Less than 65	213

Conditions of Medicare patients treated by Dr. Joonun Choi, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	12
Ischemic Heart Disease	53
Depression	29
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	10
Atrial Fibrilation	30
Heart Failure	36
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	24
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2019 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	789
cardioversion	14
doctor visit	816
hospital care	299
inpatient care	299
minimally invasive procedures	20
nuclear scan	145
stress testing	369
ultrasound (sonogram)	434

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	1109
Female	1246

**Ethnicity**
Non-Hispanic White	1760
Black	266
Hispanic	186
Asian	0
Other	89
Native American	0

**Age**
From 65 to 74	720
From 75 to 84	780
85 and over	627
Less than 65	228

Conditions of Medicare patients treated by Dr. Joonun Choi, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	13
Ischemic Heart Disease	53
Depression	30
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	12
Atrial Fibrilation	28
Heart Failure	35
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	25
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2020 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	723
doctor visit	657
hospital care	342
inpatient care	342
minimally invasive procedures	11
nuclear scan	117
stress testing	267
ultrasound (sonogram)	456

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	768
Female	831

**Ethnicity**
Non-Hispanic White	1198
Black	167
Hispanic	115
Asian	0
Other	72
Native American	0

**Age**
From 65 to 74	502
From 75 to 84	532
85 and over	435
Less than 65	130

Conditions of Medicare patients treated by Dr. Joonun Choi, MD in 2020

Hypertension	75
High Cholesterol	69
Stroke	13
Ischemic Heart Disease	51
Depression	29
Chronic Kidney Disease	41
Asthma	8
Osteoperosis	13
Atrial Fibrilation	27
Heart Failure	33
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	24
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2021 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	828
cardioversion	15
doctor visit	705
hospital care	468
inpatient care	468
minimally invasive procedures	20
nuclear scan	89
stress testing	267
ultrasound (sonogram)	580

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	805
Female	862

**Ethnicity**
Non-Hispanic White	1250
Black	162
Hispanic	126
Asian	0
Other	79
Native American	0

**Age**
From 65 to 74	482
From 75 to 84	619
85 and over	445
Less than 65	121

Conditions of Medicare patients treated by Dr. Joonun Choi, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	14
Ischemic Heart Disease	53
Depression	31
Chronic Kidney Disease	39
Asthma	11
Osteoperosis	12
Atrial Fibrilation	29
Heart Failure	34
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	26
Cancer	18

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

cardiac procedures	571
doctor visit	665
hospital care	330
inpatient care	330
nuclear scan	31
stress testing	154
ultrasound (sonogram)	441

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	661
Female	700

**Ethnicity**
Non-Hispanic White	1045
Black	113
Hispanic	100
Asian	37
Other	66
Native American	0

**Age**
From 65 to 74	403
From 75 to 84	489
85 and over	382
Less than 65	87

Conditions of Medicare patients treated by Dr. Joonun Choi, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	43
Depression	25
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	16
Atrial Fibrilation	36
Heart Failure	32
Chronic Obstructive Pulmonary Disease	17
Diabetes	32
Dementia	17
Cancer	24

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Joonun Choi, MD for Medicare patients.

The highest averages for the top procedures that Dr. Joonun Choi, MD treated as a cardiologist in STAMFORD, CT were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

cardiac procedures	566
cardioversion	15
doctor visit	717
emergency care	12
hospital care	460
inpatient care	460
lab tests	43
minimally invasive procedures	18
nuclear scan	111
stress testing	252
ultrasound (sonogram)	346
vascular procedures	30

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Joonun Choi, MD.

**Gender**
Male	687
Female	733

**Ethnicity**
Black / African American	158
Asian / Pacific Islander	19
Non-Hispanic White	1066
Native American / Alaskan Native	0
Hispanic	110
Other	45

**Age**
75 to 84	482
85 and over	376
Less than 65	118
65 to 74	443

Average of Total of Conditions of Medicare patients treated by Dr. Joonun Choi, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	46
Depression	22
Chronic Kidney Disease	28
Asthma	9
Osteoporosis	9
Heart Failure	30
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Atrial Fibrillation	26
Dementia	16
Cancer	15

Education & Training

Dr. Joonun Choi, MD graduated from New York Medical College in 1990. He completed residency at St. Vincent's Hospital. He is certified by the American Board of Internal Medicine: Cardiovascular Disease and has a state license in Connecticut.

Medical School: New York Medical College (1990)

Residency: St. Vincent's Hospital

Board Certification: American Board of Internal Medicine: Cardiovascular Disease

Licensed In: Connecticut

Affiliations & Hospitals

Dr. Joonun Choi, MD is associated with these hospitals and organizations:

Stamford Health Medical Group

Ratings & Reviews

Dr. Joonun Choi, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Joonun Choi, MD from all over the web to help you find the right in STAMFORD, CT.

Overall Rating

(1 Rating)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2024-01-07

Patient verified via Press Ganey

Always enjoy speaking to Dr. Choi

General Payments

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

**Payments by Company**
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)	$222 LifeVest $222
Abbott Laboratories	$220 Mitra Clip system $118	Epic Stented Tissue Valve $102
St. Jude Medical, Inc.	$162 Electrophysiology $162
AstraZeneca Pharmaceuticals LP	$125 $125
SANOFI-AVENTIS U.S. LLC	$121 PRALUENT $121
Other	$405 Endovascular $113	NEXLETOL $111	VYNDAQEL $102	Cardiac Monitoring Suite $26	BYSTOLIC $16	Other $37

**Types of Payments**
Food and Beverage	$1,253

Biography

Dr. Joonun Choi's specialties are general practice and cardiology (heart disease). He practices in Greenwich, CT, Stamford, CT, and Danbury, CT. He attended medical school at New York Medical College. Dr. Choi's residency was performed at St. Vincent's Hospital. His practice in Greenwich, CT is open to new patients as reported by Doctor.com.