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Dr. Ryan Tay Chao, MD

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Specializes in: Interventional Radiology/Diagnostic Radiology (IR/DR) and Diagnostic Radiology

University of Illinois College of Medicine at Peoria

5555 W Las Positas Boulevard
Pleasanton, CA 94588

(925) 734-3376

Dr. Ryan Tay Chao, MD is a radiologist in Palo Alto, CA specializing in interventional radiology/diagnostic radiology (ir/dr) and diagnostic radiology. He graduated from University of Illinois College of Medicine at Peoria. Dr. Ryan Tay Chao, MD is affiliated with Stanford Health Care.

Office Locations

300 Pasteur Drive
Palo Alto, CA 94305

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5555 W Las Positas Boulevard
Pleasanton, CA 94588

(925) 734-3376

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751 S Bascom Avenue
San Jose, CA 95128

(408) 885-5110

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Noteworthy Medicare Patient Procedures Performed by Dr. Ryan Tay Chao, MD in 2023

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

Top 25%

By Volume:

knee X-ray

lower extremity venous duplex

By Affordability:

spine imaging

thoracic imaging

In 2013, among providers in related specialties within California, Dr. Ryan Tay Chao, MD performed more knee X-ray, and lower extremity venous duplex procedures for Medicare patients than 75% of them and he also had a list price for spine imaging, and thoracic (chest) imaging 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

2019 Medicare Procedure Volume

The top procedures that Dr. Ryan Tay Chao, MD treated as a radiologist in Palo Alto, CA during 2019 were CT scan, abdominal imaging, pelvic imaging and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Ryan Tay Chao, MD for Medicare patients.

abdominal imaging	176
brain imaging (neuroimaging)	128
CT scan	313
MRI (magnetic resonance imaging)	14
musculoskeletal imaging	43
neck imaging	11
pelvic imaging	136
spinal procedures	27
thoracic (chest) imaging	61
ultrasound (sonogram)	125
vascular procedures	63
X-rays	68

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan Tay Chao, MD.

**Gender**
Male	390
Female	557

**Ethnicity**
Non-Hispanic White	693
Black	0
Hispanic	72
Asian	110
Other	38
Native American	0

**Age**
From 65 to 74	331
From 75 to 84	343
85 and over	184
Less than 65	89

Conditions of Medicare patients treated by Dr. Ryan Tay Chao, MD in 2019

The most common conditions of Medicare patients that Dr. Ryan Tay Chao, MD treated during 2019 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	42
Depression	32
Chronic Kidney Disease	52
Asthma	15
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	36
Dementia	21
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Ryan Tay Chao, MD treated as a radiologist in Palo Alto, CA during 2020 were CT scan, abdominal imaging, ultrasound (sonogram) and pelvic imaging.

Volume of procedures performed by Dr. Ryan Tay Chao, MD for Medicare patients.

abdominal imaging	273
aspiration	26
brain imaging (neuroimaging)	135
catheterization	13
CT scan	373
MRI (magnetic resonance imaging)	11
musculoskeletal imaging	45
neck imaging	15
pelvic imaging	176
spinal procedures	49
thoracic (chest) imaging	74
ultrasound (sonogram)	241
vascular procedures	106
X-rays	95

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan Tay Chao, MD.

**Gender**
Male	571
Female	754

**Ethnicity**
Non-Hispanic White	951
Black	0
Hispanic	117
Asian	165
Other	48
Native American	0

**Age**
From 65 to 74	458
From 75 to 84	483
85 and over	277
Less than 65	107

Conditions of Medicare patients treated by Dr. Ryan Tay Chao, MD in 2020

The most common conditions of Medicare patients that Dr. Ryan Tay Chao, MD treated during 2020 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	70
Stroke	10
Ischemic Heart Disease	44
Depression	30
Chronic Kidney Disease	55
Asthma	14
Osteoperosis	14
Atrial Fibrilation	21
Heart Failure	35
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	23
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Ryan Tay Chao, MD treated as a radiologist in Palo Alto, CA during 2021 were CT scan, abdominal imaging, ultrasound (sonogram) and pelvic imaging.

Volume of procedures performed by Dr. Ryan Tay Chao, MD for Medicare patients.

abdominal imaging	326
aspiration	28
brain imaging (neuroimaging)	104
CT scan	391
musculoskeletal imaging	52
neck imaging	28
pelvic imaging	223
spinal procedures	37
thoracic (chest) imaging	93
ultrasound (sonogram)	324
vascular procedures	164
X-rays	118

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan Tay Chao, MD.

**Gender**
Male	654
Female	829

**Ethnicity**
Non-Hispanic White	1018
Black	0
Hispanic	123
Asian	208
Other	68
Native American	0

**Age**
From 65 to 74	532
From 75 to 84	552
85 and over	288
Less than 65	111

Conditions of Medicare patients treated by Dr. Ryan Tay Chao, MD in 2021

The most common conditions of Medicare patients that Dr. Ryan Tay Chao, MD treated during 2021 were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	42
Depression	25
Chronic Kidney Disease	55
Asthma	15
Osteoperosis	16
Atrial Fibrilation	24
Heart Failure	34
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	19
Cancer	18

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Ryan Tay Chao, MD treated as a radiologist in Palo Alto, CA during 2022 were ultrasound (sonogram), abdominal imaging, CT scan and vascular procedures.

Volume of procedures performed by Dr. Ryan Tay Chao, MD for Medicare patients.

abdominal imaging	318
aspiration	30
brain imaging (neuroimaging)	23
catheterization	17
CT scan	291
musculoskeletal imaging	108
neck imaging	50
pelvic imaging	204
spinal procedures	25
thoracic (chest) imaging	107
ultrasound (sonogram)	425
vascular procedures	229
X-rays	195

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan Tay Chao, MD.

**Gender**
Male	708
Female	942

**Ethnicity**
Non-Hispanic White	1123
Black	70
Hispanic	147
Asian	238
Other	0
Native American	0

**Age**
From 65 to 74	621
From 75 to 84	576
85 and over	309
Less than 65	144

Conditions of Medicare patients treated by Dr. Ryan Tay Chao, MD in 2022

The most common conditions of Medicare patients that Dr. Ryan Tay Chao, MD treated during 2022 were high cholesterol, hypertension, chronic kidney disease and diabetes.

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	31
Depression	25
Chronic Kidney Disease	40
Asthma	18
Osteoperosis	23
Atrial Fibrilation	28
Heart Failure	27
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Dementia	15
Cancer	22

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Ryan Tay Chao, MD treated as a radiologist in Palo Alto, CA during 2023 were abdominal imaging, ultrasound (sonogram), CT scan and pelvic imaging.

Volume of procedures performed by Dr. Ryan Tay Chao, MD for Medicare patients.

abdominal imaging	299
aspiration	33
catheterization	16
CT scan	265
gastrointestinal procedures	12
musculoskeletal imaging	110
neck imaging	16
pelvic imaging	219
spinal procedures	42
thoracic (chest) imaging	98
ultrasound (sonogram)	287
vascular procedures	157
X-rays	216

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Ryan Tay Chao, MD.

**Gender**
Male	700
Female	891

**Ethnicity**
Non-Hispanic White	1061
Black	0
Hispanic	145
Asian	231
Other	78
Native American	0

**Age**
From 65 to 74	553
From 75 to 84	598
85 and over	325
Less than 65	115

Conditions of Medicare patients treated by Dr. Ryan Tay Chao, MD in 2023

The most common conditions of Medicare patients that Dr. Ryan Tay Chao, MD treated during 2023 were high cholesterol, hypertension, chronic kidney disease and ischemic heart disease.

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	36
Depression	27
Chronic Kidney Disease	43
Asthma	20
Osteoperosis	20
Atrial Fibrilation	30
Heart Failure	28
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Dementia	15
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2019 - 2023

Volume of procedures performed by Dr. Ryan Tay Chao, MD for Medicare patients.

The highest averages for the top procedures that Dr. Ryan Tay Chao, MD treated as a radiologist in Palo Alto, CA were CT scan, ultrasound (sonogram), abdominal imaging and pelvic imaging.

abdominal imaging	278
aspiration	29
brain imaging (neuroimaging)	97
catheterization	15
CT scan	326
gastrointestinal procedures	12
MRI (magnetic resonance imaging)	12
musculoskeletal imaging	71
neck imaging	24
pelvic imaging	191
spinal procedures	36
thoracic (chest) imaging	86
ultrasound (sonogram)	280
vascular procedures	143
X-rays	138

Average Medicare Patient Data From 2019 - 2023

Information about Medicare patients treated by Dr. Ryan Tay Chao, MD.

**Gender**
Male	604
Female	794

**Ethnicity**
Black / African American	14
Asian / Pacific Islander	190
Non-Hispanic White	969
Hispanic	120
Native American / Alaskan Native	0
Other	46

**Age**
75 to 84	510
85 and over	276
Less than 65	113
65 to 74	499

Average of Total of Conditions of Medicare patients treated by Dr. Ryan Tay Chao, MD From 2019 - 2023

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

Hypertension	75
High Cholesterol	72
Stroke	10
Ischemic Heart Disease	39
Depression	27
Chronic Kidney Disease	49
Asthma	16
Osteoporosis	17
Heart Failure	30
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Atrial Fibrillation	24
Dementia	18
Cancer	18

Education & Training

Dr. Ryan Tay Chao, MD graduated from University of Illinois College of Medicine at Peoria. He completed residency at Santa Clara Valley Medical Center. He is certified by the American Board of Radiology, Interventional Radiology and Diagnostic Radiology and has a state license in California.

Medical School: University of Illinois College of Medicine at Peoria

Residency: Santa Clara Valley Medical Center

Board Certification: American Board of Radiology, Interventional Radiology and Diagnostic Radiology

Licensed In: California

Affiliations & Hospitals

Dr. Ryan Tay Chao, MD is associated with these hospitals and organizations:

Stanford Health Care

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$631 Angiojet $631
Penumbra, Inc.	$116 Indigo $116
Medtronic, Inc.	$48 OSTEOCOOL RF ABLATION SYSTEM $30	OSTEOCOOL RF ABLATION $18
AtriCure, Inc.	$42 ATRICLIP LAA EXCLUSION SYSTEM $42

**Types of Payments**
Food and Beverage	$459
Travel and Lodging	$378

Biography

Dr. Ryan Chao sees patients in Pleasanton, CA, San Jose, CA, and Palo Alto, CA. His medical specialties are interventional radiology/diagnostic radiology (IR/DR) and diagnostic radiology. Dr. Chao is affiliated with Stanford Health Care. He graduated from the University of Illinois College of Medicine at Peoria. His residency was performed at Santa Clara Valley Medical Center.