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Dr. David W. Chang, MD

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Specializes in: Vascular Surgery and Critical Care (Intensive Care Medicine)

Professional interests include: vascular malformations, stent placement (stenting), abdominal aortic aneurysm repair, and more.

14911 National Avenue Suite 6
Los Gatos, CA 95032

(408) 358-8272

Dr. David W. Chang, MD is a vascular surgeon in Los Gatos, CA specializing in vascular surgery and critical care (intensive care medicine). Dr. David W. Chang, MD is affiliated with Good Samaritan Hospital.

Office Locations

14911 National Avenue Suite 6
Los Gatos, CA 95032

(408) 358-8272

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2512 Samaritan Court Suite E
San Jose, CA 95124

(408) 358-8272

(408) 356-7779

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In The News

“O'Connor Hospital's own Dr. David Chang is the brainchild behind a minimally invasive procedure that treats blockages in the carotid artery that are at risk of causing a stroke.”—"Los Gatos surgeon comes up with a new approach to treat stroke patients", East Bay Times, November 2016

“With more than 10 patents to his name over the course of 16 years of professional practice experience, Dr. David Chang's biggest achievement to date is the development of a minimally invasive...”—"Los Gatos surgeon comes up with a new approach to treat stroke patients", Mercury News, November 2016

Noteworthy Medicare Patient Procedures Performed by Dr. David W. Chang, MD in 2024

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

Top 5%

By Volume:

hemodialysis access duplex ultrasound

By Affordability:

dialysis access procedures

hemodialysis access duplex ultrasound

hemodialysis access imaging

hemodialysis access procedures

vascular access ultrasound

In 2024, among providers in related specialties within California, Dr. David W. Chang, MD performed more hemodialysis access duplex ultrasound procedures for Medicare patients than 95% of them and he also had a list price for dialysis access procedures, hemodialysis access duplex ultrasound, hemodialysis access imaging, hemodialysis access procedures, and vascular access ultrasound 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 25%

By Volume:

ultrasound

vascular procedures

In 2012, Dr. David W. Chang, MD performed more ultrasound (sonogram), and vascular procedures 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. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2012 were hospital care, inpatient care, angioplasty and catheterization.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

angioplasty	13
catheterization	12
doctor visit	255
hospital care	31
inpatient care	31

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2013 were hospital care, inpatient care and angioplasty.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

angioplasty	38
doctor visit	247
hospital care	40
inpatient care	40

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	91
Female	100

**Ethnicity**
Non-Hispanic White	116
Black	0
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	70
From 75 to 84	71
85 and over	35
Less than 65	15

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2013

Hypertension	75
High Cholesterol	69
Stroke	14
Ischemic Heart Disease	49
Depression	17
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	37
Chronic Obstructive Pulmonary Disease	17
Diabetes	50
Dementia	15
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2014 were vascular procedures, ultrasound (sonogram), dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	79
catheterization	13
dialysis access procedures	97
doctor visit	256
hospital care	38
inpatient care	38
pelvic imaging	79
ultrasound (sonogram)	465
vascular procedures	487
X-rays	22

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	293
Female	209

**Ethnicity**
Non-Hispanic White	344
Black	0
Hispanic	72
Asian	61
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	206
85 and over	94
Less than 65	36

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2014

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	54
Depression	13
Chronic Kidney Disease	45
Asthma	8
Osteoperosis	6
Atrial Fibrilation	23
Heart Failure	33
Chronic Obstructive Pulmonary Disease	16
Diabetes	53
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2015 were vascular procedures, ultrasound (sonogram), dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	111
angioplasty	14
device removal	11
dialysis access procedures	220
doctor visit	242
hospital care	26
inpatient care	26
minimally invasive procedures	25
pelvic imaging	111
stent placement (stenting)	25
ultrasound (sonogram)	770
vascular procedures	846
X-rays	39

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	752
Female	534

**Ethnicity**
Non-Hispanic White	926
Black	34
Hispanic	150
Asian	154
Other	0
Native American	0

**Age**
From 65 to 74	410
From 75 to 84	544
85 and over	238
Less than 65	94

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2015

Hypertension	75
High Cholesterol	74
Stroke	11
Ischemic Heart Disease	55
Depression	14
Chronic Kidney Disease	47
Asthma	14
Osteoperosis	7
Atrial Fibrilation	19
Heart Failure	31
Chronic Obstructive Pulmonary Disease	15
Diabetes	46
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2016 were vascular procedures, ultrasound (sonogram), dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	122
angioplasty	28
dialysis access procedures	296
doctor visit	391
hospital care	17
inpatient care	17
minimally invasive procedures	38
pelvic imaging	122
stent placement (stenting)	38
ultrasound (sonogram)	726
vascular procedures	843
X-rays	79

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	354
Female	236

**Ethnicity**
Non-Hispanic White	405
Black	0
Hispanic	70
Asian	91
Other	12
Native American	0

**Age**
From 65 to 74	195
From 75 to 84	245
85 and over	101
Less than 65	49

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2016

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	52
Depression	13
Chronic Kidney Disease	55
Asthma	15
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	32
Chronic Obstructive Pulmonary Disease	13
Diabetes	47
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2017 were ultrasound (sonogram), vascular procedures, dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	134
dialysis access procedures	185
doctor visit	349
minimally invasive procedures	16
pelvic imaging	134
ultrasound (sonogram)	699
vascular procedures	699

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	313
Female	178

**Ethnicity**
Non-Hispanic White	323
Black	13
Hispanic	64
Asian	76
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	212
85 and over	102
Less than 65	38

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2017

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	55
Depression	16
Chronic Kidney Disease	51
Asthma	7
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	32
Chronic Obstructive Pulmonary Disease	17
Diabetes	47
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2018 were ultrasound (sonogram), vascular procedures, dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	81
dialysis access procedures	131
doctor visit	250
pelvic imaging	81
ultrasound (sonogram)	488
vascular procedures	488

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	236
Female	145

**Ethnicity**
Non-Hispanic White	241
Black	0
Hispanic	44
Asian	75
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	181
85 and over	73
Less than 65	27

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	60
Depression	15
Chronic Kidney Disease	55
Asthma	8
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	36
Chronic Obstructive Pulmonary Disease	18
Diabetes	51
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2019 were ultrasound (sonogram), vascular procedures, dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	64
dialysis access procedures	123
doctor visit	214
pelvic imaging	64
ultrasound (sonogram)	413
vascular procedures	413

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	205
Female	112

**Ethnicity**
Non-Hispanic White	217
Black	0
Hispanic	29
Asian	58
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	140
85 and over	76
Less than 65	24

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	57
Depression	14
Chronic Kidney Disease	57
Asthma	8
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	36
Chronic Obstructive Pulmonary Disease	17
Diabetes	52
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2020 were ultrasound (sonogram), vascular procedures, dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	45
dialysis access procedures	107
doctor visit	224
pelvic imaging	45
ultrasound (sonogram)	347
vascular procedures	347

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	157
Female	84

**Ethnicity**
Non-Hispanic White	147
Black	0
Hispanic	25
Asian	55
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	97
85 and over	49
Less than 65	23

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	56
Depression	17
Chronic Kidney Disease	58
Asthma	7
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	38
Chronic Obstructive Pulmonary Disease	14
Diabetes	54
Dementia	15
Cancer	9

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2021 were ultrasound (sonogram), vascular procedures, dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	61
dialysis access procedures	124
doctor visit	294
pelvic imaging	61
ultrasound (sonogram)	386
vascular procedures	386

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	152
Female	107

**Ethnicity**
Non-Hispanic White	152
Black	0
Hispanic	35
Asian	57
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	108
85 and over	60
Less than 65	16

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	57
Depression	17
Chronic Kidney Disease	51
Asthma	7
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	32
Chronic Obstructive Pulmonary Disease	19
Diabetes	49
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2022 were ultrasound (sonogram), vascular procedures, dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	56
dialysis access procedures	80
doctor visit	184
pelvic imaging	56
ultrasound (sonogram)	261
vascular procedures	261

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	120
Female	64

**Ethnicity**
Non-Hispanic White	114
Black	0
Hispanic	19
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	85
85 and over	44
Less than 65	15

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	47
Depression	11
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	18
Atrial Fibrilation	27
Heart Failure	28
Chronic Obstructive Pulmonary Disease	19
Diabetes	53
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2023 were ultrasound (sonogram), vascular procedures, dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	40
dialysis access procedures	64
doctor visit	205
pelvic imaging	40
ultrasound (sonogram)	237
vascular procedures	237

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	89
Female	54

**Ethnicity**
Non-Hispanic White	83
Black	0
Hispanic	0
Asian	37
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	63
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	52
Depression	14
Chronic Kidney Disease	43
Asthma	13
Osteoperosis	12
Atrial Fibrilation	37
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	53
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA during 2024 were ultrasound (sonogram), vascular procedures, dialysis access procedures and pelvic imaging.

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

abdominal imaging	39
dialysis access procedures	47
doctor visit	156
pelvic imaging	39
ultrasound (sonogram)	144
vascular procedures	144

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	61
Female	44

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	0
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	46
85 and over	29
Less than 65	0

Conditions of Medicare patients treated by Dr. David W. Chang, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	57
Depression	12
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	11
Atrial Fibrilation	27
Heart Failure	30
Chronic Obstructive Pulmonary Disease	18
Diabetes	46
Dementia	10
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. David W. Chang, MD for Medicare patients.

The highest averages for the top procedures that Dr. David W. Chang, MD treated as a vascular surgeon in Los Gatos, CA were vascular procedures, ultrasound (sonogram), dialysis access procedures and pelvic imaging.

abdominal imaging	75
angioplasty	23
catheterization	12
device removal	11
dialysis access procedures	134
doctor visit	251
hospital care	30
inpatient care	30
minimally invasive procedures	26
pelvic imaging	75
stent placement (stenting)	31
ultrasound (sonogram)	448
vascular procedures	468
X-rays	46

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. David W. Chang, MD.

**Gender**
Male	217
Female	143

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	55
Non-Hispanic White	241
Native American / Alaskan Native	0
Hispanic	42
Other	0

**Age**
75 to 84	153
85 and over	69
Less than 65	25
65 to 74	106

Average of Total of Conditions of Medicare patients treated by Dr. David W. Chang, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	50
Depression	13
Chronic Kidney Disease	45
Asthma	8
Osteoporosis	7
Heart Failure	30
Chronic Obstructive Pulmonary Disease	15
Diabetes	46
Atrial Fibrillation	19
Cancer	11
Dementia	11

Education & Training

He completed residency at Montefiore Medical Center. He has a state license in California.

Residency: Montefiore Medical Center

Licensed In: California

Affiliations & Hospitals

Dr. David W. Chang, MD is associated with these hospitals and organizations:

Good Samaritan Hospital

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$469 BRILINTA $350	LOKELMA $119
Abbott Laboratories	$345 Vascular $231	Armada 35 percutaneous catheter $40	Hi-Torque Command guide wire $30	MitraClip $24	Supera peripheral stent system $21
Medtronic Vascular, Inc.	$317 IN.PACT Admiral $288	Endurant $29
Bard Peripheral Vascular, Inc.	$260 BPV-Lutonix $260
Endologix, Inc.	$255 OVATION $255
Other	$1,773 Peripheral Orbital Atherectomy System $177	AJOVY $140	Repatha $125	SAMSCA $125	TOUJEO $125	Other $1,080

**Types of Payments**
Food and Beverage	$3,407
Travel and Lodging	$12

Biography

Dr. David Chang's specialties are vascular surgery and critical care (intensive care medicine). His clinical interests include stent placement (stenting), ablation, and atherosclerosis. He graduated from the University of California, San Francisco (UCSF), School of Medicine. For his professional training, Dr. Chang completed a residency program at Montefiore Medical Center. In addition to English, Dr. Chang speaks Mandarin. He is professionally affiliated with Good Samaritan Hospital.