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Home > CA Providers > Family Physicians & Family Medicine Specialists

Dr. James H. Ashizawa, MD

Accepting New Patients

(555 Ratings)

Specializes in: Family Medicine

Autonomous University of Guadalajara Faculty of Medicine (1981)

31001 RANCHO VIEJO ROAD SUITE 200
SAN JUAN CAPISTRANO, CA 92675

1-877-696-3622

Dr. James H. Ashizawa, MD is a family medicine practitioner in SAN JUAN CAPISTRANO, CA specializing in family medicine. He graduated from Autonomous University of Guadalajara Faculty of Medicine in 1981 and has 45 years of experience. Dr. James H. Ashizawa, MD is affiliated with MemorialCare, MemorialCare Medical Group and Bristol Park Medical Group.

Office Locations

31001 RANCHO VIEJO ROAD SUITE 200
SAN JUAN CAPISTRANO, CA 92675

(949) 661-9611

(949) 443-6200

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Noteworthy Medicare Patient Procedures Performed by Dr. James H. Ashizawa, MD in 2024

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

Top 5%

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2024, Dr. James H. Ashizawa, MD had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) 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 Affordability:

In 2024, Dr. James H. Ashizawa, MD had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

blood draw

phlebotomy for lab tests

By Affordability:

preventive care

In 2012, among providers in related specialties within California, Dr. James H. Ashizawa, MD performed more blood draw, and phlebotomy for lab tests procedures for Medicare patients than 75% of them and he also had a list price for preventive care 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

2012 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2012 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	66
doctor visit	171
preventive care	29
vaccines	29

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2013 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	58
doctor visit	162
preventive care	16
vaccines	16

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	40
Female	37

**Ethnicity**
Non-Hispanic White	53
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	21
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2013

Hypertension	45
High Cholesterol	26
Stroke	0
Ischemic Heart Disease	17
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2014 were preventive care and vaccines.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

doctor visit	177
preventive care	16
vaccines	16

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	40
Female	35

**Ethnicity**
Non-Hispanic White	49
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	24
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2014

Hypertension	44
High Cholesterol	23
Stroke	0
Ischemic Heart Disease	19
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2015 were preventive care, vaccines, X-rays and musculoskeletal imaging.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

doctor visit	222
musculoskeletal imaging	17
preventive care	73
vaccines	73
X-rays	17

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	78
Female	102

**Ethnicity**
Non-Hispanic White	128
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	98
From 75 to 84	50
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2015

Hypertension	51
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	23
Depression	14
Chronic Kidney Disease	20
Asthma	0
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2016 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	78
doctor visit	179
preventive care	57
vaccines	57

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	46
Female	38

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

**Age**
From 65 to 74	48
From 75 to 84	19
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2016

Hypertension	42
High Cholesterol	26
Stroke	0
Ischemic Heart Disease	21
Depression	0
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	0
Diabetes	19
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2017 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	124
doctor visit	197
lab tests	17
preventive care	26
vaccines	26

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	49
Female	40

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	49
From 75 to 84	29
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2017

Hypertension	54
High Cholesterol	29
Stroke	0
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	16
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2018 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	106
doctor visit	182
lab tests	17
preventive care	37
vaccines	37

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	47
Female	47

**Ethnicity**
Non-Hispanic White	74
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2018

Hypertension	56
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	23
Depression	24
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	0
Diabetes	23
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2019 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	138
diabetes management	24
doctor visit	244
lab tests	24
preventive care	72
vaccines	72

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	57
Female	59

**Ethnicity**
Non-Hispanic White	87
Black	0
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	36
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2019

Hypertension	54
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	20
Depression	18
Chronic Kidney Disease	22
Asthma	0
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2020 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	139
doctor visit	202
preventive care	49
vaccines	49

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	59
Female	51

**Ethnicity**
Non-Hispanic White	79
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2020

Hypertension	38
High Cholesterol	33
Stroke	0
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	23
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	28
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2021 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	153
doctor visit	215
preventive care	55
vaccines	55

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	69
Female	56

**Ethnicity**
Non-Hispanic White	95
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	42
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2021

Hypertension	46
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	22
Depression	20
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	9
Chronic Obstructive Pulmonary Disease	13
Diabetes	23
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2022 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	183
doctor visit	247
preventive care	21
vaccines	21

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	74
Female	65

**Ethnicity**
Non-Hispanic White	106
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	52
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2022

Hypertension	63
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	11
Depression	14
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	17
Atrial Fibrilation	16
Heart Failure	8
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2023 were blood draw, preventive care, vaccines and lab tests.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	189
doctor visit	297
lab tests	13
preventive care	23
vaccines	23

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	78
Female	71

**Ethnicity**
Non-Hispanic White	117
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	50
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2023

Hypertension	68
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	13
Depression	15
Chronic Kidney Disease	15
Asthma	0
Osteoperosis	22
Atrial Fibrilation	18
Heart Failure	9
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA during 2024 were blood draw, preventive care and vaccines.

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

blood draw	183
doctor visit	244
preventive care	26
vaccines	26

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	71
Female	66

**Ethnicity**
Non-Hispanic White	109
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD in 2024

Hypertension	71
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	19
Depression	20
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	33
Atrial Fibrilation	12
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. James H. Ashizawa, MD for Medicare patients.

The highest averages for the top procedures that Dr. James H. Ashizawa, MD treated as a family medicine practitioner in SAN JUAN CAPISTRANO, CA were blood draw, preventive care, vaccines and diabetes management.

blood draw	128
diabetes management	24
doctor visit	210
lab tests	17
musculoskeletal imaging	17
preventive care	38
vaccines	38
X-rays	17

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. James H. Ashizawa, MD.

**Gender**
Male	54
Female	51

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	78
Hispanic	8
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	30
85 and over	0
Less than 65	0
65 to 74	58

Average of Total of Conditions of Medicare patients treated by Dr. James H. Ashizawa, MD From 2012 - 2024

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

Hypertension	48
High Cholesterol	37
Stroke	0
Ischemic Heart Disease	17
Depression	12
Chronic Kidney Disease	16
Asthma	0
Osteoporosis	9
Heart Failure	7
Chronic Obstructive Pulmonary Disease	4
Diabetes	21
Atrial Fibrillation	4
Cancer	5
Dementia	1

Education & Training

Dr. James H. Ashizawa, MD graduated from Autonomous University of Guadalajara Faculty of Medicine in 1981. He completed residency at St. Joseph's Hospital. He is certified by the American Board of Family Medicine and has a state license in California.

Medical School: Autonomous University of Guadalajara Faculty of Medicine (1981)

Residency: St. Joseph's Hospital

Board Certification: American Board of Family Medicine

Licensed In: California

Ratings & Reviews

Dr. James H. Ashizawa, MD has an exceptional overall rating with an average of 4.91 out of 5 stars based on 555 ratings. We collect ratings and reviews of Dr. James H. Ashizawa, MD from all over the web to help you find the right in SAN JUAN CAPISTRANO, CA.

4.91

Overall Rating

(555 Ratings)

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General Payments

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

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$479 JARDIANCE $281	TRADJENTA $87	Spiriva $15	JENTADUETO $14	Pradaxa $12	Other $70
Lilly USA, LLC	$476 JARDIANCE $162	TRADJENTA $143	MOUNJARO $50	HUMALOG $50	TRULICITY $43	Other $29
Novo Nordisk Inc	$431 Victoza $347	RYBELSUS $25	$59
Amgen Inc.	$416 Repatha $416
Takeda Pharmaceuticals America, Inc.	$306 Brintellix $110	Kazano $67	Contrave $65	Dexilant $63
Other	$1,898 Kerendia $243	NEXLETOL $125	XARELTO $120	SHINGRIX $119	SYMBICORT $110	Other $1,181

**Types of Payments**
Food and Beverage	$3,927
Education	$59
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$19
Consulting Fee	$1

Biography

Dr Ashizawa became interested in medicine to help people and to make a difference in their lives. His greatest reward comes from the close bonds that he develops with his patients; bonds, which he hopes, will last a lifetime. Board certified in family medicine, Dr Ashizawa's biggest fulfillment comes from caring for families, watching the children grow and start their own families, and then treating their children. Dr Ashizawa also enjoys being involved with his church, the outdoors, music, art, and most recently, spending time with his family.