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Dr. Masaru Chiba, MD

(Dr. Masaru Chiba, MD)

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Specializes in: Adult Pulmonology and Critical Care (Intensive Care Medicine)

Kyoto University Faculty of Medicine

2805 5th Street Suite 100
Rapid City, SD 57701

(605) 719-5700

Dr. Masaru Chiba, MD is a pulmonologist in Rapid City, SD specializing in adult pulmonology and critical care (intensive care medicine). He graduated from Kyoto University Faculty of Medicine. Dr. Masaru Chiba, MD is affiliated with Monument Health.

Office Locations

2805 5th Street Suite 100
Rapid City, SD 57701

(605) 719-5700

(605) 719-5701

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353 Fairmont Boulevard
Rapid City, SD 57701

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Noteworthy Medicare Patient Procedures Performed by Dr. Masaru Chiba, MD in 2023

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

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. Masaru Chiba, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within South Dakota.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2012 were hospital care, inpatient care, pulmonary testing and sleep study.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

airway management	37
aspiration	72
bronchoscopy	84
doctor visit	243
hospital care	460
inpatient care	460
pulmonary testing	259
sleep study	96
thoracic (chest) imaging	26
X-rays	26

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2013 were hospital care, inpatient care, pulmonary testing and sleep study.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

airway management	40
aspiration	48
bronchoscopy	48
catheterization	17
doctor visit	268
hospital care	337
inpatient care	337
pulmonary testing	203
sleep study	85
thoracic (chest) imaging	24
X-rays	24

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	275
Female	225

**Ethnicity**
Non-Hispanic White	417
Black	0
Hispanic	0
Asian	0
Other	0
Native American	71

**Age**
From 65 to 74	221
From 75 to 84	140
85 and over	36
Less than 65	103

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2013

Hypertension	74
High Cholesterol	56
Stroke	6
Ischemic Heart Disease	50
Depression	26
Chronic Kidney Disease	40
Asthma	12
Osteoperosis	10
Atrial Fibrilation	25
Heart Failure	51
Chronic Obstructive Pulmonary Disease	45
Diabetes	42
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2014 were hospital care, inpatient care, pulmonary testing and sleep study.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

airway management	43
aspiration	50
bronchoscopy	66
doctor visit	229
hospital care	354
inpatient care	354
minimally invasive procedures	16
pulmonary testing	273
sleep study	90
thoracic (chest) imaging	15
tracheal (windpipe) procedures	14
X-rays	15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	284
Female	267

**Ethnicity**
Non-Hispanic White	457
Black	0
Hispanic	0
Asian	0
Other	0
Native American	72

**Age**
From 65 to 74	240
From 75 to 84	154
85 and over	45
Less than 65	112

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2014

Hypertension	73
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	49
Depression	28
Chronic Kidney Disease	38
Asthma	10
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	45
Chronic Obstructive Pulmonary Disease	43
Diabetes	36
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2015 were hospital care, inpatient care, pulmonary testing and bronchoscopy.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

airway management	25
aspiration	75
bronchoscopy	110
doctor visit	258
hospital care	304
inpatient care	304
minimally invasive procedures	16
pulmonary testing	302
sleep study	53
tracheal (windpipe) procedures	19

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	666
Female	532

**Ethnicity**
Non-Hispanic White	1040
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	496
From 75 to 84	346
85 and over	112
Less than 65	244

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2015

Hypertension	75
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	42
Depression	26
Chronic Kidney Disease	40
Asthma	22
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	40
Chronic Obstructive Pulmonary Disease	42
Diabetes	37
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2016 were hospital care, inpatient care, pulmonary testing and bronchoscopy.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

airway management	33
aspiration	65
bronchoscopy	90
doctor visit	251
hospital care	290
inpatient care	290
minimally invasive procedures	13
pulmonary testing	233
sleep study	53

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	267
Female	238

**Ethnicity**
Non-Hispanic White	426
Black	0
Hispanic	0
Asian	0
Other	0
Native American	68

**Age**
From 65 to 74	214
From 75 to 84	140
85 and over	52
Less than 65	99

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2016

Hypertension	74
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	44
Depression	28
Chronic Kidney Disease	41
Asthma	41
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	42
Chronic Obstructive Pulmonary Disease	41
Diabetes	38
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2017 were hospital care, inpatient care, pulmonary testing and bronchoscopy.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

aspiration	42
bronchoscopy	42
doctor visit	206
hospital care	194
inpatient care	194
pulmonary testing	47
tracheal (windpipe) procedures	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	184
Female	168

**Ethnicity**
Non-Hispanic White	299
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	111
85 and over	29
Less than 65	73

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2017

Hypertension	75
High Cholesterol	55
Stroke	11
Ischemic Heart Disease	46
Depression	32
Chronic Kidney Disease	49
Asthma	12
Osteoperosis	13
Atrial Fibrilation	23
Heart Failure	46
Chronic Obstructive Pulmonary Disease	39
Diabetes	45
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2018 were hospital care, inpatient care and pulmonary testing.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

hospital care	325
inpatient care	325
pulmonary testing	109

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	157
Female	148

**Ethnicity**
Non-Hispanic White	239
Black	0
Hispanic	0
Asian	0
Other	0
Native American	55

**Age**
From 65 to 74	117
From 75 to 84	91
85 and over	41
Less than 65	56

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2018

Hypertension	75
High Cholesterol	62
Stroke	12
Ischemic Heart Disease	57
Depression	34
Chronic Kidney Disease	63
Asthma	10
Osteoperosis	15
Atrial Fibrilation	27
Heart Failure	53
Chronic Obstructive Pulmonary Disease	47
Diabetes	44
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2019 were hospital care, inpatient care and pulmonary testing.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

hospital care	358
inpatient care	358
pulmonary testing	88

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	157
Female	129

**Ethnicity**
Non-Hispanic White	224
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	127
From 75 to 84	80
85 and over	30
Less than 65	49

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2019

Hypertension	75
High Cholesterol	58
Stroke	9
Ischemic Heart Disease	56
Depression	35
Chronic Kidney Disease	60
Asthma	12
Osteoperosis	10
Atrial Fibrilation	28
Heart Failure	53
Chronic Obstructive Pulmonary Disease	50
Diabetes	41
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2020 were hospital care, inpatient care and pulmonary testing.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

hospital care	367
inpatient care	367
pulmonary testing	155

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	202
Female	201

**Ethnicity**
Non-Hispanic White	326
Black	0
Hispanic	0
Asian	0
Other	0
Native American	65

**Age**
From 65 to 74	184
From 75 to 84	113
85 and over	38
Less than 65	68

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2020

Hypertension	75
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	52
Depression	31
Chronic Kidney Disease	54
Asthma	14
Osteoperosis	12
Atrial Fibrilation	23
Heart Failure	47
Chronic Obstructive Pulmonary Disease	48
Diabetes	41
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2021 were hospital care, inpatient care and pulmonary testing.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

hospital care	295
inpatient care	295
pulmonary testing	256

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	173
Female	172

**Ethnicity**
Non-Hispanic White	286
Black	0
Hispanic	0
Asian	0
Other	0
Native American	44

**Age**
From 65 to 74	155
From 75 to 84	112
85 and over	29
Less than 65	49

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2021

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	46
Depression	33
Chronic Kidney Disease	49
Asthma	15
Osteoperosis	15
Atrial Fibrilation	23
Heart Failure	42
Chronic Obstructive Pulmonary Disease	45
Diabetes	36
Dementia	10
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

hospital care	271
inpatient care	271

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	65
Female	78

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

**Age**
From 65 to 74	62
From 75 to 84	42
85 and over	16
Less than 65	23

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	27
Ischemic Heart Disease	45
Depression	29
Chronic Kidney Disease	39
Asthma	13
Osteoperosis	20
Atrial Fibrilation	46
Heart Failure	54
Chronic Obstructive Pulmonary Disease	51
Diabetes	38
Dementia	17
Cancer	20

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

hospital care	342
inpatient care	342

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Male	83
Female	98

**Ethnicity**
Non-Hispanic White	138
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	53
85 and over	11
Less than 65	32

Conditions of Medicare patients treated by Dr. Masaru Chiba, MD in 2023

Hypertension	75
High Cholesterol	71
Stroke	23
Ischemic Heart Disease	44
Depression	30
Chronic Kidney Disease	40
Asthma	18
Osteoperosis	20
Atrial Fibrilation	36
Heart Failure	49
Chronic Obstructive Pulmonary Disease	52
Diabetes	45
Dementia	10
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Masaru Chiba, MD for Medicare patients.

The highest averages for the top procedures that Dr. Masaru Chiba, MD treated as a pulmonologist in Rapid City, SD were hospital care, inpatient care, pulmonary testing and sleep study.

airway management	35
aspiration	58
bronchoscopy	73
catheterization	17
doctor visit	242
hospital care	324
inpatient care	324
minimally invasive procedures	15
pulmonary testing	192
sleep study	75
thoracic (chest) imaging	21
tracheal (windpipe) procedures	15
X-rays	21

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Masaru Chiba, MD.

**Gender**
Female	188
Male	209

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	331
Native American / Alaskan Native	31
Hispanic	0
Other	0

**Age**
75 to 84	115
85 and over	36
Less than 65	75
65 to 74	170

Average of Total of Conditions of Medicare patients treated by Dr. Masaru Chiba, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Masaru Chiba, MD treated were hypertension, high cholesterol, ischemic heart disease and heart failure.

Hypertension	68
High Cholesterol	54
Stroke	10
Ischemic Heart Disease	44
Depression	27
Chronic Kidney Disease	42
Asthma	14
Osteoporosis	12
Heart Failure	43
Chronic Obstructive Pulmonary Disease	41
Diabetes	36
Atrial Fibrillation	24
Dementia	10
Cancer	13

Education & Training

Dr. Masaru Chiba, MD graduated from Kyoto University Faculty of Medicine. He completed residency at St. Joseph Mercy Ann Arbor. He is certified by the Board Certification: Critical Care Medicine and has a state license in South Dakota.

Medical School: Kyoto University Faculty of Medicine

Residency: St. Joseph Mercy Ann Arbor

Board Certification: Board Certification: Critical Care Medicine

Licensed In: South Dakota

Affiliations & Hospitals

Dr. Masaru Chiba, MD is associated with these hospitals and organizations:

Monument Health

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General Payments

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

**Payments by Company**
Olympus Corporation of the Americas	$843 Olympus Respiratory Accessories $843
GlaxoSmithKline, LLC.	$799 ADVAIR $470	BREO $240	ANORO $89
Grifols USA, LLC	$175 Prolastin-C $175
Takeda Pharmaceuticals U.S.A., Inc.	$75 $75
Mylan Specialty L.P.	$61 Perforomist $61
Other	$296 PROAIR RESPICLICK $48	STIOLTO $47	DALVANCE $39	ELIQUIS $34	Brovana $33	Other $94

**Types of Payments**
Travel and Lodging	$817
Consulting Fee	$780
Food and Beverage	$635
Education	$17

Biography

Dr. Masaru Chiba works as a critical care (intensive care medicine) and adult pulmonology. He is affiliated with Monument Health. After attending Kyoto University Faculty of Medicine for medical school, he completed his residency training at St. Joseph Mercy Ann Arbor.