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Dr. Amy Haruko Matayoshi, MD

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Specializes in: Adult Nephrology

University of Hawaii at Manoa, John A. Burns School of Medicine (1995)

3300 Vista Way Suite B
Oceanside, CA 92056

(760) 967-9900

Dr. Amy Haruko Matayoshi, MD is a nephrologist in Oceanside, CA specializing in adult nephrology. She graduated from University of Hawaii at Manoa, John A. Burns School of Medicine in 1995 and has 31 years of experience.

Office Locations

3300 Vista Way Suite B
Oceanside, CA 92056

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Noteworthy Medicare Patient Procedures Performed by Dr. Amy Haruko Matayoshi, MD in 2023

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

Top 25%

By Affordability:

hemodialysis

In 2012, Dr. Amy Haruko Matayoshi, MD had a list price for hemodialysis that was lower than the list prices billed to Medicare by 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2012 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	175
doctor visit	518
hospital care	967
inpatient care	967

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2013 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	151
doctor visit	480
hospital care	720
inpatient care	720

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Male	223
Female	177

**Ethnicity**
Non-Hispanic White	200
Black	29
Hispanic	123
Asian	33
Other	15
Native American	0

**Age**
From 65 to 74	108
From 75 to 84	109
85 and over	56
Less than 65	127

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2013

Hypertension	75
High Cholesterol	57
Stroke	8
Ischemic Heart Disease	56
Depression	22
Chronic Kidney Disease	75
Asthma	5
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	43
Chronic Obstructive Pulmonary Disease	16
Diabetes	61
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2014 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	99
doctor visit	391
hospital care	546
inpatient care	546

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Male	206
Female	165

**Ethnicity**
Non-Hispanic White	212
Black	21
Hispanic	96
Asian	31
Other	11
Native American	0

**Age**
From 65 to 74	93
From 75 to 84	109
85 and over	62
Less than 65	107

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2014

Hypertension	75
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	56
Depression	22
Chronic Kidney Disease	75
Asthma	5
Osteoperosis	7
Atrial Fibrilation	15
Heart Failure	48
Chronic Obstructive Pulmonary Disease	18
Diabetes	59
Dementia	17
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2015 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	100
doctor visit	359
hospital care	570
inpatient care	570

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Male	376
Female	312

**Ethnicity**
Non-Hispanic White	370
Black	44
Hispanic	194
Asian	58
Other	22
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	198
85 and over	98
Less than 65	216

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2015

Hypertension	75
High Cholesterol	63
Stroke	11
Ischemic Heart Disease	57
Depression	24
Chronic Kidney Disease	75
Asthma	8
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	43
Chronic Obstructive Pulmonary Disease	13
Diabetes	61
Dementia	13
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2016 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	82
doctor visit	403
hospital care	524
inpatient care	524

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Male	214
Female	157

**Ethnicity**
Non-Hispanic White	188
Black	31
Hispanic	101
Asian	39
Other	12
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	105
85 and over	51
Less than 65	113

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2016

Hypertension	75
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	55
Depression	22
Chronic Kidney Disease	75
Asthma	16
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	45
Chronic Obstructive Pulmonary Disease	15
Diabetes	60
Dementia	16
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2017 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	67
doctor visit	330
hospital care	509
inpatient care	509

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Male	184
Female	132

**Ethnicity**
Non-Hispanic White	153
Black	26
Hispanic	90
Asian	30
Other	17
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	102
85 and over	43
Less than 65	85

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2017

Hypertension	75
High Cholesterol	70
Stroke	9
Ischemic Heart Disease	54
Depression	24
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	5
Atrial Fibrilation	14
Heart Failure	46
Chronic Obstructive Pulmonary Disease	16
Diabetes	62
Dementia	19
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2018 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	63
doctor visit	337
hospital care	445
inpatient care	445

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Male	181
Female	144

**Ethnicity**
Non-Hispanic White	168
Black	25
Hispanic	86
Asian	31
Other	15
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	97
85 and over	53
Less than 65	91

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	10
Ischemic Heart Disease	59
Depression	26
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	6
Atrial Fibrilation	19
Heart Failure	47
Chronic Obstructive Pulmonary Disease	17
Diabetes	61
Dementia	19
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2019 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	73
doctor visit	335
hospital care	512
inpatient care	512

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Male	169
Female	159

**Ethnicity**
Non-Hispanic White	156
Black	22
Hispanic	108
Asian	31
Other	11
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	87
85 and over	48
Less than 65	94

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	57
Depression	29
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	5
Atrial Fibrilation	17
Heart Failure	51
Chronic Obstructive Pulmonary Disease	16
Diabetes	68
Dementia	16
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2020 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	52
doctor visit	256
hospital care	473
inpatient care	473

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Male	172
Female	135

**Ethnicity**
Non-Hispanic White	139
Black	22
Hispanic	104
Asian	31
Other	11
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	75
85 and over	43
Less than 65	87

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	55
Depression	24
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	46
Chronic Obstructive Pulmonary Disease	12
Diabetes	70
Dementia	18
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2021 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	50
doctor visit	266
hospital care	415
inpatient care	415

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Male	125
Female	132

**Ethnicity**
Non-Hispanic White	118
Black	20
Hispanic	76
Asian	29
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	64
85 and over	42
Less than 65	62

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2021

Hypertension	75
High Cholesterol	73
Stroke	8
Ischemic Heart Disease	51
Depression	23
Chronic Kidney Disease	75
Asthma	7
Osteoperosis	5
Atrial Fibrilation	19
Heart Failure	44
Chronic Obstructive Pulmonary Disease	11
Diabetes	63
Dementia	19
Cancer	7

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA during 2022 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

dialysis	62
doctor visit	278
hemofiltration	23
hospital care	408
inpatient care	408

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Male	148
Female	136

**Ethnicity**
Non-Hispanic White	132
Black	19
Hispanic	92
Asian	28
Other	13
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	74
85 and over	39
Less than 65	80

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	18
Ischemic Heart Disease	38
Depression	28
Chronic Kidney Disease	75
Asthma	11
Osteoperosis	12
Atrial Fibrilation	32
Heart Failure	40
Chronic Obstructive Pulmonary Disease	15
Diabetes	63
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Amy Haruko Matayoshi, MD for Medicare patients.

The highest averages for the top procedures that Dr. Amy Haruko Matayoshi, MD treated as a nephrologist in Oceanside, CA were hospital care, inpatient care, dialysis and hemofiltration.

dialysis	88
doctor visit	359
hemofiltration	23
hospital care	553
inpatient care	553

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Amy Haruko Matayoshi, MD.

**Gender**
Female	149
Male	181

**Ethnicity**
Black / African American	23
Asian / Pacific Islander	31
Non-Hispanic White	166
Native American / Alaskan Native	0
Hispanic	97
Other	11

**Age**
85 and over	48
75 to 84	92
Less than 65	96
65 to 74	93

Average of Total of Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	48
Depression	22
Chronic Kidney Disease	68
Asthma	7
Osteoporosis	5
Heart Failure	41
Chronic Obstructive Pulmonary Disease	13
Diabetes	57
Atrial Fibrillation	16
Dementia	14
Cancer	7

Education & Training

Dr. Amy Haruko Matayoshi, MD graduated from University of Hawaii at Manoa, John A. Burns School of Medicine in 1995. She completed residency at University of California, Davis Affiliated Hospitals. She is certified by the American Board of Internal Medicine and has a state license in California.

Medical School: University of Hawaii at Manoa, John A. Burns School of Medicine (1995)

Residency: University of California, Davis Affiliated Hospitals

Board Certification: American Board of Internal Medicine

Licensed In: California

Ratings & Reviews

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General Payments

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

**Payments by Company**
Amgen Inc.	$870 Sensipar $635	Parsabiv $205	Tavneos $30
Otsuka America Pharmaceutical, Inc.	$536 SAMSCA $330	JYNARQUE $206
OPKO Pharmaceuticals, LLC	$519 Rayaldee $519
Relypsa, Inc.	$445 VELTASSA $445
SANOFI-AVENTIS U.S. LLC	$316 RENVELA $316
Other	$2,210 Auryxia $396	ACTHAR $294	SOLIRIS $244	Kerendia $130	LOKELMA $129	Other $1,017

**Types of Payments**
Food and Beverage	$4,776
Education	$119

Biography

Dr. Amy Matayoshi practices adult nephrology. According to Doctor.com, new patients are welcome to contact Dr. Matayoshi's office in Oceanside, CA. Before completing her residency at a hospital affiliated with the University of California, Davis, Dr. Matayoshi attended medical school at the University of Hawaii at Manoa, John A. Burns School of Medicine.

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Dr. Amy Haruko Matayoshi, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Amy Haruko Matayoshi, MD in 2023

By Affordability:

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. Amy Haruko Matayoshi, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Amy Haruko Matayoshi, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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