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Home > HI Providers > Internists & Internal Medicine Doctors

Dr. Sydney Y. Tatsuno, MD

(4 Ratings)

Specializes in: Internal Medicine (Adult Medicine)

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

868 Ululani Street Suite 102
Hilo, HI 96720

Dr. Sydney Y. Tatsuno, MD is an internist in Hilo, HI specializing in internal medicine (adult medicine). He graduated from University of Hawaii at Manoa, John A. Burns School of Medicine. Dr. Sydney Y. Tatsuno, MD is affiliated with Hawaii Pacific Health.

Office Locations

868 Ululani Street Suite 102
Hilo, HI 96720

(808) 969-1671

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Noteworthy Medicare Patient Procedures Performed by Dr. Sydney Y. Tatsuno, MD in 2024

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

Top 5%

By Volume:

flu shot

preventive care

Welcome to Medicare visit

In 2024, Dr. Sydney Y. Tatsuno, MD performed more flu shot, preventive care, and Welcome to Medicare visit (initial preventive physical exam) procedures for Medicare patients than 95% of providers in related specialties within Hawaii.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2012 were nursing home care, preventive care, vaccines and ultrasound (sonogram).

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

cardiac procedures	39
doctor visit	1973
lab tests	12
nursing home care	319
preventive care	202
ultrasound (sonogram)	39
vaccines	190

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2013 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

cardiac procedures	37
diabetes management	208
doctor visit	2102
lab tests	225
nursing home care	207
preventive care	493
ultrasound (sonogram)	37
vaccines	268

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	200
Female	237

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	314
Other	65
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	148
85 and over	105
Less than 65	20

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	32
Depression	5
Chronic Kidney Disease	12
Asthma	3
Osteoperosis	34
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	6
Diabetes	28
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2014 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

cardiac procedures	45
diabetes management	214
doctor visit	2175
lab tests	214
nursing home care	208
preventive care	471
ultrasound (sonogram)	45
vaccines	257

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	204
Female	234

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	0
Asian	317
Other	61
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	141
85 and over	107
Less than 65	17

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	34
Depression	5
Chronic Kidney Disease	24
Asthma	4
Osteoperosis	27
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	5
Diabetes	30
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2015 were preventive care, nursing home care, vaccines and lab tests.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

cardiac procedures	40
diabetes management	104
doctor visit	1968
lab tests	104
nursing home care	178
preventive care	270
ultrasound (sonogram)	40
vaccines	166

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	422
Female	494

**Ethnicity**
Non-Hispanic White	102
Black	0
Hispanic	0
Asian	666
Other	120
Native American	0

**Age**
From 65 to 74	370
From 75 to 84	272
85 and over	242
Less than 65	32

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	33
Depression	6
Chronic Kidney Disease	33
Asthma	6
Osteoperosis	28
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	6
Diabetes	34
Dementia	12
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2016 were preventive care, vaccines, nursing home care and ultrasound (sonogram).

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

cardiac procedures	63
diabetes management	34
doctor visit	2048
lab tests	34
nursing home care	118
preventive care	246
ultrasound (sonogram)	63
vaccines	212

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	218
Female	264

**Ethnicity**
Non-Hispanic White	52
Black	0
Hispanic	0
Asian	352
Other	60
Native American	0

**Age**
From 65 to 74	207
From 75 to 84	126
85 and over	132
Less than 65	17

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	32
Depression	5
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	28
Atrial Fibrilation	9
Heart Failure	11
Chronic Obstructive Pulmonary Disease	5
Diabetes	35
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2017 were preventive care, vaccines, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

cardiac procedures	39
diabetes management	33
doctor visit	1945
gastrointestinal procedures	132
lab tests	44
minimally invasive procedures	132
nursing home care	31
preventive care	365
ultrasound (sonogram)	39
vaccines	189

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	219
Female	262

**Ethnicity**
Non-Hispanic White	56
Black	0
Hispanic	0
Asian	336
Other	70
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	118
85 and over	124
Less than 65	12

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2017

Hypertension	74
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	28
Depression	6
Chronic Kidney Disease	35
Asthma	5
Osteoperosis	25
Atrial Fibrilation	7
Heart Failure	9
Chronic Obstructive Pulmonary Disease	5
Diabetes	34
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2018 were preventive care, vaccines, ultrasound (sonogram) and cardiac procedures.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

cardiac procedures	44
diabetes management	23
doctor visit	1917
lab tests	23
preventive care	255
ultrasound (sonogram)	44
vaccines	232

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	212
Female	273

**Ethnicity**
Non-Hispanic White	58
Black	0
Hispanic	0
Asian	340
Other	70
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	125
85 and over	118
Less than 65	16

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2018

Hypertension	73
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	26
Depression	5
Chronic Kidney Disease	38
Asthma	4
Osteoperosis	27
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	5
Diabetes	33
Dementia	15
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2019 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

diabetes management	14
doctor visit	2087
gastrointestinal procedures	12
lab tests	14
minimally invasive procedures	12
preventive care	230
vaccines	204

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	221
Female	304

**Ethnicity**
Non-Hispanic White	60
Black	0
Hispanic	0
Asian	367
Other	75
Native American	0

**Age**
From 65 to 74	238
From 75 to 84	156
85 and over	115
Less than 65	16

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2019

Hypertension	74
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	27
Depression	6
Chronic Kidney Disease	38
Asthma	6
Osteoperosis	28
Atrial Fibrilation	8
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	35
Dementia	14
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2020 were preventive care and vaccines.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

doctor visit	1800
preventive care	175
vaccines	175

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	234
Female	292

**Ethnicity**
Non-Hispanic White	60
Black	0
Hispanic	0
Asian	370
Other	77
Native American	0

**Age**
From 65 to 74	241
From 75 to 84	158
85 and over	114
Less than 65	13

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	26
Depression	6
Chronic Kidney Disease	35
Asthma	4
Osteoperosis	24
Atrial Fibrilation	7
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	36
Dementia	12
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2021 were preventive care and vaccines.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

doctor visit	2027
preventive care	185
vaccines	171

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	262
Female	295

**Ethnicity**
Non-Hispanic White	61
Black	0
Hispanic	0
Asian	395
Other	83
Native American	0

**Age**
From 65 to 74	249
From 75 to 84	179
85 and over	116
Less than 65	13

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2021

Hypertension	70
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	25
Depression	6
Chronic Kidney Disease	32
Asthma	4
Osteoperosis	27
Atrial Fibrilation	7
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	34
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2022 were preventive care and vaccines.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

doctor visit	2119
preventive care	158
vaccines	139

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	257
Female	311

**Ethnicity**
Non-Hispanic White	59
Black	0
Hispanic	0
Asian	411
Other	80
Native American	0

**Age**
From 65 to 74	257
From 75 to 84	189
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	21
Depression	4
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	31
Atrial Fibrilation	11
Heart Failure	7
Chronic Obstructive Pulmonary Disease	6
Diabetes	33
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2023 were preventive care, vaccines, lab tests and diabetes management.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

diabetes management	14
doctor visit	2228
lab tests	25
preventive care	190
vaccines	165

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	279
Female	311

**Ethnicity**
Non-Hispanic White	60
Black	0
Hispanic	0
Asian	435
Other	80
Native American	0

**Age**
From 65 to 74	265
From 75 to 84	203
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	22
Depression	3
Chronic Kidney Disease	28
Asthma	5
Osteoperosis	31
Atrial Fibrilation	11
Heart Failure	5
Chronic Obstructive Pulmonary Disease	7
Diabetes	32
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI during 2024 were preventive care and vaccines.

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

doctor visit	2972
preventive care	222
vaccines	209

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Male	295
Female	352

**Ethnicity**
Non-Hispanic White	66
Black	0
Hispanic	0
Asian	479
Other	86
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	224
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	26
Depression	5
Chronic Kidney Disease	29
Asthma	6
Osteoperosis	36
Atrial Fibrilation	12
Heart Failure	6
Chronic Obstructive Pulmonary Disease	7
Diabetes	32
Dementia	8
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Sydney Y. Tatsuno, MD for Medicare patients.

The highest averages for the top procedures that Dr. Sydney Y. Tatsuno, MD treated as an internist in Hilo, HI were preventive care, vaccines, nursing home care and diabetes management.

cardiac procedures	43
diabetes management	80
doctor visit	2104
gastrointestinal procedures	72
lab tests	77
minimally invasive procedures	72
nursing home care	176
preventive care	266
ultrasound (sonogram)	43
vaccines	198

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Sydney Y. Tatsuno, MD.

**Gender**
Female	279
Male	232

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	367
Non-Hispanic White	48
Native American / Alaskan Native	0
Hispanic	0
Other	71

**Age**
75 to 84	156
85 and over	90
Less than 65	12
65 to 74	223

Average of Total of Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD From 2012 - 2024

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

Hypertension	68
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	25
Depression	4
Chronic Kidney Disease	27
Asthma	4
Osteoporosis	26
Heart Failure	8
Chronic Obstructive Pulmonary Disease	5
Diabetes	30
Atrial Fibrillation	8
Dementia	11
Cancer	10

Education & Training

Dr. Sydney Y. Tatsuno, MD graduated from University of Hawaii at Manoa, John A. Burns School of Medicine. He completed residency at St. Mary Medical Center, Long Beach. He is certified by the Certification: Internal Medicine and has a state license in Hawaii.

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

Residency: St. Mary Medical Center, Long Beach

Board Certification: Certification: Internal Medicine

Licensed In: Hawaii

Affiliations & Hospitals

Dr. Sydney Y. Tatsuno, MD is associated with these hospitals and organizations:

Hawaii Pacific Health

Ratings & Reviews

Dr. Sydney Y. Tatsuno, MD has a high overall rating with an average of 4.0 out of 5 stars based on 4 ratings. We collect ratings and reviews of Dr. Sydney Y. Tatsuno, MD from all over the web to help you find the right in Hilo, HI.

Overall Rating

(4 Ratings)

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General Payments

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

**Payments by Company**
Kowa Pharmaceuticals America, Inc.	$932 BYSTOLIC $475	LIVALO $254	Seglentis $141	Vascepa $62
Amarin Pharma Inc.	$774 Vascepa $774
Amgen Inc.	$632 Repatha $510	Prolia $123
AstraZeneca Pharmaceuticals LP	$401 FARXIGA $376	BREZTRI $14	BRILINTA $12
Boehringer Ingelheim Pharmaceuticals, Inc.	$267 JARDIANCE $267
Other	$604 UBRELVY $72	ELIQUIS $59	INVOKANA $44	NEXLETOL $36	Kerendia $33	Other $360

**Types of Payments**
Food and Beverage	$3,587
Education	$24

Biography

Dr. Sydney Tatsuno is rated 3.5 stars (out of 5) by his patients. After attending the University of Hawaii at Manoa, John A. Burns School of Medicine, Dr. Tatsuno completed his residency training at St. Mary Medical Center, Long Beach. He is professionally affiliated with Hawaii Pacific Health.

Select Year:

Dr. Sydney Y. Tatsuno, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Sydney Y. Tatsuno, MD in 2024

By Volume:

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. Sydney Y. Tatsuno, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sydney Y. Tatsuno, 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. Sydney Y. Tatsuno, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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