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Home > HI Providers > Internists & Internal Medicine Doctors

Dr. Royal Gary Johnson, MD

(No ratings)

Specializes in: Internal Medicine (Adult Medicine)

944 W Kawailani Street
Hilo, HI 96720

(808) 959-9151

Dr. Royal Gary Johnson, MD is an internist in Hilo, HI specializing in internal medicine (adult medicine).

Office Locations

944 W Kawailani Street
Hilo, HI 96720

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Noteworthy Medicare Patient Procedures Performed by Dr. Royal Gary Johnson, MD in 2023

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

Top 5%

By Volume:

nursing home care

In 2023, Dr. Royal Gary Johnson, MD performed more nursing home care 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. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2012 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

doctor visit	264
nursing home care	1020

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2013 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

doctor visit	23
nursing home care	892

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	76
Female	178

**Ethnicity**
Non-Hispanic White	70
Black	0
Hispanic	0
Asian	139
Other	27
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	79
85 and over	139
Less than 65	0

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2013

Hypertension	69
High Cholesterol	35
Stroke	18
Ischemic Heart Disease	44
Depression	30
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	28
Atrial Fibrilation	17
Heart Failure	37
Chronic Obstructive Pulmonary Disease	15
Diabetes	35
Dementia	75
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2014 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

nursing home care	1326

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	64
Female	124

**Ethnicity**
Non-Hispanic White	61
Black	0
Hispanic	0
Asian	101
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	58
85 and over	94
Less than 65	0

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2014

Hypertension	55
High Cholesterol	29
Stroke	18
Ischemic Heart Disease	39
Depression	19
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	21
Atrial Fibrilation	15
Heart Failure	35
Chronic Obstructive Pulmonary Disease	15
Diabetes	38
Dementia	75
Cancer	6

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2015 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

nursing home care	1727

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	192
Female	318

**Ethnicity**
Non-Hispanic White	152
Black	0
Hispanic	36
Asian	266
Other	56
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	136
85 and over	256
Less than 65	38

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2015

Hypertension	61
High Cholesterol	37
Stroke	17
Ischemic Heart Disease	38
Depression	23
Chronic Kidney Disease	32
Asthma	14
Osteoperosis	18
Atrial Fibrilation	11
Heart Failure	36
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Dementia	71
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2016 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

nursing home care	1848

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	100
Female	169

**Ethnicity**
Non-Hispanic White	86
Black	0
Hispanic	0
Asian	140
Other	25
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	70
85 and over	129
Less than 65	22

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2016

Hypertension	54
High Cholesterol	35
Stroke	16
Ischemic Heart Disease	38
Depression	19
Chronic Kidney Disease	40
Asthma	23
Osteoperosis	19
Atrial Fibrilation	9
Heart Failure	36
Chronic Obstructive Pulmonary Disease	18
Diabetes	39
Dementia	68
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2017 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

nursing home care	1599

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	100
Female	183

**Ethnicity**
Non-Hispanic White	111
Black	0
Hispanic	0
Asian	123
Other	28
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	94
85 and over	125
Less than 65	14

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2017

Hypertension	64
High Cholesterol	36
Stroke	17
Ischemic Heart Disease	42
Depression	27
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	19
Atrial Fibrilation	12
Heart Failure	37
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	64
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2018 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

nursing home care	1335

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	101
Female	184

**Ethnicity**
Non-Hispanic White	120
Black	0
Hispanic	0
Asian	123
Other	23
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	96
85 and over	124
Less than 65	0

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2018

Hypertension	67
High Cholesterol	44
Stroke	16
Ischemic Heart Disease	42
Depression	21
Chronic Kidney Disease	43
Asthma	6
Osteoperosis	18
Atrial Fibrilation	13
Heart Failure	40
Chronic Obstructive Pulmonary Disease	22
Diabetes	39
Dementia	63
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2019 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

nursing home care	1229

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	99
Female	152

**Ethnicity**
Non-Hispanic White	86
Black	0
Hispanic	0
Asian	117
Other	28
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	89
85 and over	105
Less than 65	0

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2019

Hypertension	69
High Cholesterol	44
Stroke	14
Ischemic Heart Disease	44
Depression	20
Chronic Kidney Disease	42
Asthma	6
Osteoperosis	25
Atrial Fibrilation	9
Heart Failure	37
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	68
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2020 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

nursing home care	1178

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	85
Female	125

**Ethnicity**
Non-Hispanic White	69
Black	0
Hispanic	0
Asian	101
Other	24
Native American	0

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

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2020

Hypertension	73
High Cholesterol	44
Stroke	20
Ischemic Heart Disease	41
Depression	25
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	32
Atrial Fibrilation	15
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	70
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2021 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

nursing home care	1078

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	89
Female	115

**Ethnicity**
Non-Hispanic White	76
Black	0
Hispanic	0
Asian	88
Other	23
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	59
85 and over	83
Less than 65	0

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2021

Hypertension	69
High Cholesterol	36
Stroke	13
Ischemic Heart Disease	39
Depression	20
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	25
Atrial Fibrilation	12
Heart Failure	39
Chronic Obstructive Pulmonary Disease	23
Diabetes	37
Dementia	60
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI during 2022 were nursing home care.

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

nursing home care	1043

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	70
Female	112

**Ethnicity**
Non-Hispanic White	63
Black	0
Hispanic	0
Asian	85
Other	18
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	60
85 and over	83
Less than 65	0

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2022

Hypertension	75
High Cholesterol	51
Stroke	26
Ischemic Heart Disease	21
Depression	19
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	31
Atrial Fibrilation	30
Heart Failure	33
Chronic Obstructive Pulmonary Disease	24
Diabetes	34
Dementia	67
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Royal Gary Johnson, MD for Medicare patients.

The highest averages for the top procedures that Dr. Royal Gary Johnson, MD treated as an internist in Hilo, HI were nursing home care.

doctor visit	143
nursing home care	1297

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Royal Gary Johnson, MD.

**Gender**
Male	88
Female	150

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	116
Non-Hispanic White	81
Native American / Alaskan Native	0
Hispanic	3
Other	22

**Age**
75 to 84	73
85 and over	111
Less than 65	6
65 to 74	16

Average of Total of Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Royal Gary Johnson, MD treated were dementia, hypertension, chronic kidney disease and high cholesterol.

Hypertension	59
High Cholesterol	35
Stroke	15
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	35
Asthma	8
Osteoporosis	21
Heart Failure	33
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Atrial Fibrillation	13
Dementia	61
Cancer	9

Education & Training

He has a state license in Hawaii.

Licensed In: Hawaii

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Pharmaceuticals, Inc	$50 XARELTO $50
ACADIA Pharmaceuticals Inc	$19 NUPLAZID $19

**Types of Payments**
Food and Beverage	$69

Biography

Dr. Royal Johnson's specialty is geriatrics (elderly care). He attended medical school at East Carolina University, The Brody School of Medicine.

Select Year:

Dr. Royal Gary Johnson, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Royal Gary Johnson, MD in 2023

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. Royal Gary Johnson, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Royal Gary Johnson, 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. Royal Gary Johnson, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Hilo, HI