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Home > CA Providers > Anesthesiologists

Dr. John Jiwoong Ryu, MD

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Specializes in: Anesthesiology

1601 Ygnacio Valley Road
Walnut Creek, CA 94598

(925) 939-3000

Dr. John Jiwoong Ryu, MD is an anesthesiologist in Walnut Creek, CA specializing in anesthesiology.

Office Locations

1601 Ygnacio Valley Road
Walnut Creek, CA 94598

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905 San Ramon Valley Boulevard #11
Danville, CA 94526

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

hospital care	12
inpatient care	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2013 were hospital care, inpatient care, nerve block and injections.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

hospital care	22
injections	12
inpatient care	22
nerve block	12

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	69
Female	127

**Ethnicity**
Non-Hispanic White	169
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	95
From 75 to 84	51
85 and over	27
Less than 65	23

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2013

Hypertension	70
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	23
Asthma	10
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	21
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

hospital care	15
inpatient care	15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	80
Female	76

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

**Age**
From 65 to 74	86
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2014

Hypertension	69
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	31
Depression	29
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2015 were hospital care, inpatient care, nerve block and injections.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

hospital care	21
injections	18
inpatient care	21
nerve block	18

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	166
Female	208

**Ethnicity**
Non-Hispanic White	332
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	108
85 and over	44
Less than 65	38

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2015

Hypertension	59
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	26
Asthma	12
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	20
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2016 were nerve block, injections, hospital care and inpatient care.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

hospital care	12
injections	29
inpatient care	12
nerve block	29

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	84
Female	106

**Ethnicity**
Non-Hispanic White	153
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	51
85 and over	12
Less than 65	26

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2016

Hypertension	57
High Cholesterol	55
Stroke	6
Ischemic Heart Disease	24
Depression	22
Chronic Kidney Disease	22
Asthma	18
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	27
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2017 were nerve block and injections.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

injections	18
nerve block	18

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	82
Female	75

**Ethnicity**
Non-Hispanic White	111
Black	0
Hispanic	14
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	45
85 and over	12
Less than 65	26

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2017

Hypertension	62
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	28
Asthma	13
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	64
Female	67

**Ethnicity**
Non-Hispanic White	103
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	41
85 and over	12
Less than 65	14

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2018

Hypertension	63
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	26
Depression	21
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	24
Dementia	0
Cancer	19

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2019 were nerve block and injections.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

injections	12
nerve block	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	73
Female	92

**Ethnicity**
Non-Hispanic White	122
Black	0
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	45
85 and over	11
Less than 65	24

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2019

Hypertension	57
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	17
Depression	16
Chronic Kidney Disease	27
Asthma	11
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2020 were nerve block and injections.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

injections	15
nerve block	15

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	58
Female	86

**Ethnicity**
Non-Hispanic White	106
Black	12
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2020

Hypertension	60
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	24
Depression	25
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2021 were nerve block and injections.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

injections	30
nerve block	30

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	84
Female	111

**Ethnicity**
Non-Hispanic White	145
Black	18
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	53
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2021

Hypertension	59
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	23
Depression	26
Chronic Kidney Disease	29
Asthma	14
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	23
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2022 were nerve block and injections.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

injections	29
nerve block	29

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	92
Female	94

**Ethnicity**
Non-Hispanic White	130
Black	0
Hispanic	16
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	60
85 and over	16
Less than 65	23

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2022

Hypertension	67
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	12
Depression	16
Chronic Kidney Disease	18
Asthma	11
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	20
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	89
Female	101

**Ethnicity**
Non-Hispanic White	139
Black	0
Hispanic	16
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	92
From 75 to 84	76
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2023

Hypertension	66
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	15
Depression	19
Chronic Kidney Disease	18
Asthma	17
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	22
Dementia	0
Cancer	21

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA during 2024 were nerve block and injections.

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

injections	12
nerve block	12

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Male	82
Female	83

**Ethnicity**
Non-Hispanic White	122
Black	13
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	54
85 and over	12
Less than 65	12

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2024

Hypertension	70
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	16
Depression	15
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	18
Atrial Fibrilation	15
Heart Failure	8
Chronic Obstructive Pulmonary Disease	11
Diabetes	30
Dementia	0
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. John Jiwoong Ryu, MD for Medicare patients.

The highest averages for the top procedures that Dr. John Jiwoong Ryu, MD treated as an anesthesiologist in Walnut Creek, CA were nerve block, injections, hospital care and inpatient care.

hospital care	16
injections	19
inpatient care	16
nerve block	19

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. John Jiwoong Ryu, MD.

**Gender**
Female	94
Male	78

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	3
Non-Hispanic White	135
Hispanic	10
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	11
75 to 84	51
Less than 65	14
65 to 74	86

Average of Total of Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD From 2012 - 2024

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

Hypertension	58
High Cholesterol	55
Stroke	1
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	23
Asthma	11
Osteoporosis	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Atrial Fibrillation	10
Cancer	14
Dementia	1

Education & Training

He has a state license in California.

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
Alcon Laboratories Inc	$107 ContactLenses $32	$75
Paragon 28, Inc.	$48 Foot and ankle implants $48
AbbVie, Inc.	$30 Mivacron $30
Mallinckrodt LLC	$19 OFIRMEV $19
Trevena, Inc.	$13 OLINVYK $13

**Types of Payments**
Food and Beverage	$142
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$75

Biography

Dr. John Ryu sees patients in Walnut Creek, CA. His medical specialty is anesthesiology. Dr. Ryu has obtained a license to practice in California.

Select Year:

Dr. John Jiwoong Ryu, MD

Office Locations

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. John Jiwoong Ryu, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John Jiwoong Ryu, 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. John Jiwoong Ryu, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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