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Home > CA Providers > Transplant Surgeons

Dr. Hirohito Ichii, PHD, MD

(60 Ratings)

Specializes in: General Surgery and Transplant Surgery

Kobe University School of Medicine

Professional interests include: transplant procedures, kidney transplant, kidney problems, and more.

101 The City Drive South Building 29
Orange, CA 92868

(714) 456-7004

Dr. Hirohito Ichii, PHD, MD is a general surgeon in Orange, CA specializing in general surgery and transplant surgery. He graduated from Kobe University School of Medicine. Dr. Hirohito Ichii, PHD, MD is affiliated with UCI Health.

Office Locations

101 The City Drive South Building 29
Orange, CA 92868

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Noteworthy Medicare Patient Procedures Performed by Dr. Hirohito Ichii, PHD, MD in 2024

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

Top 5%

By Volume:

inpatient hospital care

In 2024, Dr. Hirohito Ichii, PHD, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within California.

Top 10%

By Volume:

kidney transplant

In 2024, Dr. Hirohito Ichii, PHD, MD performed more kidney transplant procedures for Medicare patients than 90% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2012 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	15
doctor visit	199
hospital care	350
inpatient care	350
transplant procedures	15
urologic procedures	15

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2013 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	15
doctor visit	166
hospital care	440
inpatient care	440
transplant procedures	15
urologic procedures	15

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	46
Female	31

**Ethnicity**
Non-Hispanic White	17
Black	0
Hispanic	41
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2013

Hypertension	75
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	45
Depression	22
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	42
Chronic Obstructive Pulmonary Disease	0
Diabetes	69
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2014 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	15
doctor visit	178
hospital care	554
inpatient care	554
transplant procedures	15
urologic procedures	15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	62
Female	46

**Ethnicity**
Non-Hispanic White	26
Black	0
Hispanic	57
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	80

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2014

Hypertension	75
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	42
Depression	29
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	41
Chronic Obstructive Pulmonary Disease	0
Diabetes	67
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

doctor visit	242
hospital care	425
inpatient care	425

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	128
Female	64

**Ethnicity**
Non-Hispanic White	48
Black	0
Hispanic	92
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	138

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2015

Hypertension	75
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	49
Depression	22
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	42
Chronic Obstructive Pulmonary Disease	0
Diabetes	70
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2016 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	15
doctor visit	164
hospital care	299
inpatient care	299
transplant procedures	15
urologic procedures	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	42
Female	24

**Ethnicity**
Non-Hispanic White	21
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2016

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	44
Depression	24
Chronic Kidney Disease	75
Asthma	17
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	41
Chronic Obstructive Pulmonary Disease	0
Diabetes	67
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2017 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	21
doctor visit	248
hospital care	470
inpatient care	470
transplant procedures	21
urologic procedures	21

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	55
Female	31

**Ethnicity**
Non-Hispanic White	21
Black	0
Hispanic	39
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	48
Depression	23
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	34
Chronic Obstructive Pulmonary Disease	0
Diabetes	63
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2018 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	18
doctor visit	215
hospital care	320
inpatient care	320
transplant procedures	18
urologic procedures	18

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	45
Female	32

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	46
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	59

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2018

Hypertension	75
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	51
Depression	16
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	39
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2019 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	22
doctor visit	216
hospital care	396
inpatient care	396
transplant procedures	22
urologic procedures	22

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	64
Female	29

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	55
Asian	24
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	69

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	57
Depression	12
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	42
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2020 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	19
doctor visit	177
hospital care	308
inpatient care	308
transplant procedures	19
urologic procedures	19

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	39
Female	29

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	31
Asian	18
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2020

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	56
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	37
Chronic Obstructive Pulmonary Disease	0
Diabetes	74
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2021 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	30
doctor visit	301
hospital care	414
inpatient care	414
transplant procedures	30
urologic procedures	30

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	54
Female	30

**Ethnicity**
Non-Hispanic White	19
Black	0
Hispanic	41
Asian	13
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	57

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	54
Depression	19
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	40
Chronic Obstructive Pulmonary Disease	0
Diabetes	73
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2022 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	26
doctor visit	281
hospital care	476
inpatient care	476
transplant procedures	26
urologic procedures	26

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	60
Female	43

**Ethnicity**
Non-Hispanic White	23
Black	0
Hispanic	44
Asian	23
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	69

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	47
Depression	20
Chronic Kidney Disease	75
Asthma	15
Osteoperosis	0
Atrial Fibrilation	20
Heart Failure	41
Chronic Obstructive Pulmonary Disease	13
Diabetes	68
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2023 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	26
doctor visit	221
hospital care	508
inpatient care	508
transplant procedures	26
urologic procedures	26

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	54
Female	26

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	38
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	56

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	46
Depression	14
Chronic Kidney Disease	75
Asthma	16
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	34
Chronic Obstructive Pulmonary Disease	0
Diabetes	75
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA during 2024 were hospital care, inpatient care, transplant procedures and abdominal surgery.

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

abdominal surgery	35
doctor visit	266
hospital care	558
inpatient care	558
transplant procedures	35
urologic procedures	35

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	63
Female	33

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	51
Asian	26
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	31
Depression	14
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	29
Chronic Obstructive Pulmonary Disease	0
Diabetes	66
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Hirohito Ichii, PHD, MD for Medicare patients.

The highest averages for the top procedures that Dr. Hirohito Ichii, PHD, MD treated as a general surgeon in Orange, CA were hospital care, inpatient care, transplant procedures and abdominal surgery.

abdominal surgery	21
doctor visit	221
hospital care	424
inpatient care	424
transplant procedures	21
urologic procedures	21

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Hirohito Ichii, PHD, MD.

**Gender**
Male	54
Female	32

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	11
Non-Hispanic White	13
Hispanic	43
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	0
85 and over	0
Less than 65	64
65 to 74	0

Average of Total of Conditions of Medicare patients treated by Dr. Hirohito Ichii, PHD, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	43
Depression	16
Chronic Kidney Disease	69
Asthma	4
Osteoporosis	0
Heart Failure	35
Chronic Obstructive Pulmonary Disease	1
Diabetes	64
Atrial Fibrillation	2
Cancer	0
Dementia	0

Education & Training

Dr. Hirohito Ichii, PHD, MD graduated from Kobe University School of Medicine. He completed residency at Osaka Red Cross Hospital - Surgery. He has a state license in California.

Medical School: Kobe University School of Medicine

Residency: Osaka Red Cross Hospital - Surgery

Licensed In: California

Ratings & Reviews

Dr. Hirohito Ichii, PHD, MD has an exceptional overall rating with an average of 4.7 out of 5 stars based on 60 ratings. We collect ratings and reviews of Dr. Hirohito Ichii, PHD, MD from all over the web to help you find the right in Orange, CA.

4.7

Overall Rating

(60 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Astellas Pharma US Inc	$278 ASTAGRAF XL $110	$168
SANOFI-AVENTIS U.S. LLC	$200 RENVELA $200
GENZYME CORPORATION	$132 THYMOGLOBULIN $132
AstraZeneca Pharmaceuticals LP	$125 BRILINTA $125
Otsuka America Pharmaceutical, Inc.	$123 JYNARQUE $123
Other	$451 Orthobiologics $116	NON BRAND $114	Envarsus XR $99	Da Vinci Surgical System $93	SOLIRIS $15	Other $14

**Types of Payments**
Food and Beverage	$1,141
Education	$168

Research Payments

Dr. Hirohito Ichii, PHD, MD has received 1 research payments totaling $6,123.

Biography

Dr. Hirohito Ichii specializes in general surgery and transplant surgery and practices in Orange, CA. Areas of particular interest for Dr. Ichii include kidney problems, pancreas transplant, and kidney transplant. He is rated highly by his patients. Dr. Ichii is a graduate of Kobe University School of Medicine. He speaks Japanese. Dr. Ichii is affiliated with UCI Health.