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Dr. Lee Kien Yong, MD

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Specializes in: Adult Infectious Disease

University of Malaya Faculty of Medicine (2003)

330 1st Capitol Drive Suite 260
Saint Charles, MO 63301

(636) 925-0900

Dr. Lee Kien Yong, MD is an adult infectious disease specialist in Saint Louis, MO specializing in adult infectious disease. He graduated from University of Malaya Faculty of Medicine in 2003 and has 23 years of experience. Dr. Lee Kien Yong, MD is affiliated with SSM Health and INFECTIOUS DISEASES PC.

Office Locations

10004 Kennerly Road Suite 171b
Saint Louis, MO 63128

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330 1st Capitol Drive Suite 260
Saint Charles, MO 63301

(636) 925-0900

(636) 925-0960

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330 First Capitol Drive Suite 260
Saint Charles, MO 63301

(636) 925-0900

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Noteworthy Medicare Patient Procedures Performed by Dr. Lee Kien Yong, MD in 2024

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

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. Lee Kien Yong, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within Missouri.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	152
hospital care	2334
inpatient care	2334

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	185
hospital care	2820
inpatient care	2820

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	388
Female	424

**Ethnicity**
Non-Hispanic White	666
Black	127
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	261
From 75 to 84	181
85 and over	123
Less than 65	247

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	15
Ischemic Heart Disease	56
Depression	48
Chronic Kidney Disease	67
Asthma	14
Osteoperosis	10
Atrial Fibrilation	23
Heart Failure	54
Chronic Obstructive Pulmonary Disease	40
Diabetes	58
Dementia	34
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	204
hospital care	2707
inpatient care	2707

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	373
Female	415

**Ethnicity**
Non-Hispanic White	633
Black	135
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	273
From 75 to 84	184
85 and over	111
Less than 65	220

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2014

Hypertension	75
High Cholesterol	61
Stroke	14
Ischemic Heart Disease	59
Depression	49
Chronic Kidney Disease	68
Asthma	14
Osteoperosis	11
Atrial Fibrilation	26
Heart Failure	50
Chronic Obstructive Pulmonary Disease	41
Diabetes	55
Dementia	36
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	237
hospital care	2511
inpatient care	2511

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	746
Female	842

**Ethnicity**
Non-Hispanic White	1328
Black	206
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	502
From 75 to 84	328
85 and over	244
Less than 65	514

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	16
Ischemic Heart Disease	56
Depression	48
Chronic Kidney Disease	70
Asthma	30
Osteoperosis	9
Atrial Fibrilation	26
Heart Failure	48
Chronic Obstructive Pulmonary Disease	39
Diabetes	55
Dementia	33
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	159
hospital care	2162
inpatient care	2162

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	354
Female	383

**Ethnicity**
Non-Hispanic White	608
Black	107
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	247
From 75 to 84	171
85 and over	92
Less than 65	227

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2016

Hypertension	75
High Cholesterol	67
Stroke	13
Ischemic Heart Disease	56
Depression	51
Chronic Kidney Disease	75
Asthma	44
Osteoperosis	9
Atrial Fibrilation	26
Heart Failure	55
Chronic Obstructive Pulmonary Disease	41
Diabetes	57
Dementia	39
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	148
hospital care	2492
inpatient care	2492

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	400
Female	407

**Ethnicity**
Non-Hispanic White	665
Black	110
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	247
From 75 to 84	191
85 and over	128
Less than 65	241

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2017

Hypertension	75
High Cholesterol	67
Stroke	12
Ischemic Heart Disease	57
Depression	48
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	9
Atrial Fibrilation	25
Heart Failure	56
Chronic Obstructive Pulmonary Disease	38
Diabetes	59
Dementia	44
Cancer	19

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	107
hospital care	2236
inpatient care	2236

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	382
Female	342

**Ethnicity**
Non-Hispanic White	611
Black	93
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	220
From 75 to 84	208
85 and over	93
Less than 65	203

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2018

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	59
Depression	51
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	9
Atrial Fibrilation	28
Heart Failure	57
Chronic Obstructive Pulmonary Disease	40
Diabetes	60
Dementia	41
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	70
hospital care	1753
inpatient care	1753

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	335
Female	311

**Ethnicity**
Non-Hispanic White	543
Black	88
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	189
85 and over	84
Less than 65	167

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	10
Ischemic Heart Disease	61
Depression	53
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	55
Chronic Obstructive Pulmonary Disease	38
Diabetes	56
Dementia	37
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	89
hospital care	1927
inpatient care	1927

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	312
Female	320

**Ethnicity**
Non-Hispanic White	544
Black	66
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	208
From 75 to 84	195
85 and over	93
Less than 65	136

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2020

Hypertension	75
High Cholesterol	72
Stroke	12
Ischemic Heart Disease	58
Depression	54
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	10
Atrial Fibrilation	26
Heart Failure	53
Chronic Obstructive Pulmonary Disease	37
Diabetes	57
Dementia	44
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	19
hospital care	1568
inpatient care	1568

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	252
Female	231

**Ethnicity**
Non-Hispanic White	422
Black	47
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	163
85 and over	76
Less than 65	95

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2021

Hypertension	75
High Cholesterol	72
Stroke	12
Ischemic Heart Disease	59
Depression	51
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	57
Chronic Obstructive Pulmonary Disease	35
Diabetes	57
Dementia	45
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	23
hospital care	1099
inpatient care	1099

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	184
Female	172

**Ethnicity**
Non-Hispanic White	315
Black	28
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	104
85 and over	75
Less than 65	66

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	54
Depression	47
Chronic Kidney Disease	60
Asthma	13
Osteoperosis	14
Atrial Fibrilation	43
Heart Failure	51
Chronic Obstructive Pulmonary Disease	34
Diabetes	58
Dementia	26
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

doctor visit	17
hospital care	1143
inpatient care	1143

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	177
Female	188

**Ethnicity**
Non-Hispanic White	317
Black	33
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	106
85 and over	66
Less than 65	65

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	50
Depression	50
Chronic Kidney Disease	63
Asthma	14
Osteoperosis	13
Atrial Fibrilation	44
Heart Failure	58
Chronic Obstructive Pulmonary Disease	37
Diabetes	56
Dementia	31
Cancer	15

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

hospital care	1083
inpatient care	1083

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	185
Female	173

**Ethnicity**
Non-Hispanic White	311
Black	36
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	137
85 and over	56
Less than 65	53

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	54
Depression	52
Chronic Kidney Disease	66
Asthma	15
Osteoperosis	13
Atrial Fibrilation	46
Heart Failure	60
Chronic Obstructive Pulmonary Disease	37
Diabetes	62
Dementia	28
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Lee Kien Yong, MD for Medicare patients.

The highest averages for the top procedures that Dr. Lee Kien Yong, MD treated as an adult infectious disease specialist in Saint Louis, MO were hospital care and inpatient care.

doctor visit	117
hospital care	1987
inpatient care	1987

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Lee Kien Yong, MD.

**Gender**
Male	314
Female	323

**Ethnicity**
Black / African American	82
Asian / Pacific Islander	0
Non-Hispanic White	535
Hispanic	0
Native American / Alaskan Native	0
Other	4

**Age**
75 to 84	165
85 and over	95
Less than 65	171
65 to 74	204

Average of Total of Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Lee Kien Yong, MD treated were hypertension, chronic kidney disease, high cholesterol and diabetes.

Hypertension	69
High Cholesterol	64
Stroke	13
Ischemic Heart Disease	52
Depression	46
Chronic Kidney Disease	64
Asthma	15
Osteoporosis	9
Heart Failure	50
Chronic Obstructive Pulmonary Disease	35
Diabetes	53
Atrial Fibrillation	28
Cancer	14
Dementia	33

Education & Training

Dr. Lee Kien Yong, MD graduated from University of Malaya Faculty of Medicine in 2003. He completed residency at Metropolitan Hospital Center, New York. He is certified by the American Board of Internal Medicine American Board of Internal Medicine/Infectious Disease Missouri State Board of Registration and has a state license in Illinois.

Medical School: University of Malaya Faculty of Medicine (2003)

Residency: Metropolitan Hospital Center, New York (2009)

Board Certification: American Board of Internal Medicine American Board of Internal Medicine/Infectious Disease Missouri State Board of Registration

Licensed In: Illinois

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General Payments

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

**Payments by Company**
Genentech USA, Inc.	$117 Pegasys $117
TETRAPHASE PHARMACEUTICALS, INC.	$16 Xerava $16
Merck Sharp & Dohme Corporation	$13 ZERBAXA $13

**Types of Payments**
Food and Beverage	$133
Education	$13

Biography

Dr. Lee Yong specializes in adult infectious disease. He obtained his medical school training at the University of Malaya Faculty of Medicine and performed his residency at Metropolitan Hospital Center, New York. Dr. Yong's hospital/clinic affiliations include SSM Health DePaul Hospital, SSM Health St. Joseph Hospital - St. Charles, and SSM Health St. Joseph Hospital - Lake Saint Louis.

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Dr. Lee Kien Yong, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Lee Kien Yong, MD in 2024

By Volume:

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. Lee Kien Yong, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Lee Kien Yong, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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