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

Home > CA Providers > Emergency Physicians

Dr. Leo M. Shum, MD

(Dr. Leo Meng-Tah Shum, M.D)

(No ratings)

Specializes in: Adult Pulmonology, Emergency Medicine and Adult Critical Care

University of Pittsburgh School of Medicine (2006)

959 E Walnut Street Suite 120
Pasadena, CA 91106

(626) 795-1831

Dr. Leo M. Shum, MD is a pulmonologist in Pasadena, CA specializing in adult pulmonology, emergency medicine and adult critical care. He graduated from University of Pittsburgh School of Medicine in 2006 and has 20 years of experience. Dr. Leo M. Shum, MD is affiliated with VISTA CRITICAL CARE ASSOCIATES INC.

Office Locations

959 E Walnut Street Suite 120
Pasadena, CA 91106

(626) 795-1831

(626) 795-2716

open_in_new

In The News

“Dr. Leo Shum, dressed in a ventilated suit and hood, positioned himself at the head of the...”—"She was dying of COVID-19. Her last hope would save her or kill her", Los Angeles Times, March 2021

Noteworthy Medicare Patient Procedures Performed by Dr. Leo M. Shum, MD in 2023

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

Top 5%

By Affordability:

central line placement

centrally inserted non-tunneled central line placement

In 2023, Dr. Leo M. Shum, MD had a list price for central line placement, and centrally inserted non-tunneled central line placement 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 Volume:

inpatient hospital care

By Affordability:

endotracheal intubation

hospital care

inpatient care

inpatient hospital care

tracheal procedures

In 2023, among providers in related specialties within California, Dr. Leo M. Shum, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 90% of them and he also had a list price for endotracheal intubation, hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), and tracheal (windpipe) procedures 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:

centrally inserted non-tunneled central line placement

endotracheal intubation

In 2012, Dr. Leo M. Shum, MD performed more centrally inserted non-tunneled central line placement, and endotracheal intubation procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2012 were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	21
hospital care	299
inpatient care	299
tracheal (windpipe) procedures	18

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2013 were hospital care, inpatient care, tracheal (windpipe) procedures and catheterization.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	18
hospital care	409
inpatient care	409
tracheal (windpipe) procedures	28

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	156
Female	148

**Ethnicity**
Non-Hispanic White	166
Black	0
Hispanic	66
Asian	45
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	96
85 and over	104
Less than 65	35

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2013

Hypertension	75
High Cholesterol	54
Stroke	20
Ischemic Heart Disease	72
Depression	35
Chronic Kidney Disease	75
Asthma	14
Osteoperosis	17
Atrial Fibrilation	40
Heart Failure	64
Chronic Obstructive Pulmonary Disease	47
Diabetes	58
Dementia	43
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2014 were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	15
hospital care	256
inpatient care	256
tracheal (windpipe) procedures	13

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	124
Female	140

**Ethnicity**
Non-Hispanic White	136
Black	0
Hispanic	58
Asian	55
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	99
85 and over	64
Less than 65	34

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2014

Hypertension	75
High Cholesterol	70
Stroke	27
Ischemic Heart Disease	70
Depression	38
Chronic Kidney Disease	74
Asthma	15
Osteoperosis	18
Atrial Fibrilation	34
Heart Failure	69
Chronic Obstructive Pulmonary Disease	52
Diabetes	64
Dementia	39
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2015 were hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	12
hospital care	226
inpatient care	226

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	248
Female	232

**Ethnicity**
Non-Hispanic White	322
Black	0
Hispanic	70
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	164
85 and over	122
Less than 65	50

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	75
Depression	45
Chronic Kidney Disease	75
Asthma	30
Osteoperosis	15
Atrial Fibrilation	31
Heart Failure	71
Chronic Obstructive Pulmonary Disease	44
Diabetes	65
Dementia	37
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2016 were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	21
hospital care	217
inpatient care	217
tracheal (windpipe) procedures	14

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	111
Female	128

**Ethnicity**
Non-Hispanic White	146
Black	0
Hispanic	44
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	87
85 and over	62
Less than 65	32

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	23
Ischemic Heart Disease	75
Depression	51
Chronic Kidney Disease	75
Asthma	51
Osteoperosis	17
Atrial Fibrilation	33
Heart Failure	69
Chronic Obstructive Pulmonary Disease	49
Diabetes	68
Dementia	49
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2017 were hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	17
hospital care	223
inpatient care	223

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	138
Female	104

**Ethnicity**
Non-Hispanic White	161
Black	0
Hispanic	31
Asian	25
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	72
85 and over	65
Less than 65	23

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	29
Ischemic Heart Disease	75
Depression	45
Chronic Kidney Disease	75
Asthma	20
Osteoperosis	17
Atrial Fibrilation	36
Heart Failure	75
Chronic Obstructive Pulmonary Disease	45
Diabetes	62
Dementia	41
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2018 were hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	17
hospital care	187
inpatient care	187

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	104
Female	106

**Ethnicity**
Non-Hispanic White	135
Black	0
Hispanic	32
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	82
85 and over	60
Less than 65	0

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	34
Ischemic Heart Disease	75
Depression	48
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	18
Atrial Fibrilation	33
Heart Failure	70
Chronic Obstructive Pulmonary Disease	37
Diabetes	71
Dementia	42
Cancer	20

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2019 were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	19
hospital care	174
inpatient care	174
tracheal (windpipe) procedures	16

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	107
Female	116

**Ethnicity**
Non-Hispanic White	140
Black	0
Hispanic	37
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	76
85 and over	68
Less than 65	17

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	26
Ischemic Heart Disease	75
Depression	48
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	16
Atrial Fibrilation	37
Heart Failure	75
Chronic Obstructive Pulmonary Disease	42
Diabetes	64
Dementia	52
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2020 were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	29
hospital care	140
inpatient care	140
tracheal (windpipe) procedures	24

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	124
Female	120

**Ethnicity**
Non-Hispanic White	133
Black	13
Hispanic	44
Asian	28
Other	26
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	75
85 and over	72
Less than 65	27

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	25
Ischemic Heart Disease	75
Depression	43
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	12
Atrial Fibrilation	31
Heart Failure	75
Chronic Obstructive Pulmonary Disease	35
Diabetes	70
Dementia	49
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2021 were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	19
hospital care	80
inpatient care	80
tracheal (windpipe) procedures	17

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	110
Female	109

**Ethnicity**
Non-Hispanic White	137
Black	0
Hispanic	32
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	74
85 and over	58
Less than 65	18

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	26
Ischemic Heart Disease	75
Depression	42
Chronic Kidney Disease	75
Asthma	9
Osteoperosis	17
Atrial Fibrilation	33
Heart Failure	75
Chronic Obstructive Pulmonary Disease	39
Diabetes	74
Dementia	57
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA during 2022 were hospital care, inpatient care, tracheal (windpipe) procedures and catheterization.

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

catheterization	21
hospital care	118
inpatient care	118
tracheal (windpipe) procedures	23

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	108
Female	88

**Ethnicity**
Non-Hispanic White	122
Black	0
Hispanic	27
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	78
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	52
Ischemic Heart Disease	74
Depression	53
Chronic Kidney Disease	59
Asthma	18
Osteoperosis	24
Atrial Fibrilation	48
Heart Failure	74
Chronic Obstructive Pulmonary Disease	46
Diabetes	65
Dementia	45
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Leo M. Shum, MD for Medicare patients.

The highest averages for the top procedures that Dr. Leo M. Shum, MD treated as a pulmonologist in Pasadena, CA were hospital care, inpatient care, catheterization and tracheal (windpipe) procedures.

catheterization	19
hospital care	211
inpatient care	211
tracheal (windpipe) procedures	19

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Leo M. Shum, MD.

**Gender**
Male	120
Female	117

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	22
Non-Hispanic White	145
Native American / Alaskan Native	0
Hispanic	40
Other	8

**Age**
75 to 84	82
85 and over	61
Less than 65	21
65 to 74	62

Average of Total of Conditions of Medicare patients treated by Dr. Leo M. Shum, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	65
Stroke	25
Ischemic Heart Disease	67
Depression	40
Chronic Kidney Disease	66
Asthma	17
Osteoporosis	15
Heart Failure	65
Chronic Obstructive Pulmonary Disease	39
Diabetes	60
Atrial Fibrillation	32
Dementia	41
Cancer	14

Education & Training

Dr. Leo M. Shum, MD graduated from University of Pittsburgh School of Medicine in 2006. He has a state license in Pennsylvania.

Medical School: University of Pittsburgh School of Medicine (2006)

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. Leo M. Shum, MD is associated with these hospitals and organizations:

VISTA CRITICAL CARE ASSOCIATES INC

Ratings & Reviews

Dr. Leo M. Shum, MD does not have any reviews yet, be the first to leave a review of Dr. Leo M. Shum, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Bard Access Systems, Inc.	$300 Oncology $300
Abbott Laboratories	$166 CardioMEMS HF System $166
GAMBRO AAB	$144 Acute $144
AstraZeneca Pharmaceuticals LP	$130 BRILINTA $130
CSL Behring	$125 Kcentra $125
Other	$558 CARDENE $116	ANDEXXA $112	ZERBAXA $53	ENTERPRISE $38	EMBOTRAP II Revascularization Device $35	Other $202

**Types of Payments**
Food and Beverage	$1,122
Honoraria	$300

Biography

Dr. Leo Shum is a specialist in adult critical care, emergency medicine, and adult pulmonology. He studied medicine at the University of Pittsburgh School of Medicine. His clinical interests encompass urgent care and emergency care.

Select Year:

Dr. Leo M. Shum, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Leo M. Shum, MD in 2023

By Affordability:

By Volume:

By Affordability:

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. Leo M. Shum, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Leo M. Shum, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Leo M. Shum, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Emergency Physicians in Nearby Locations

Other Providers in Pasadena, CA