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Dr. Duncan B. Johnstone, MD, PHD

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Specializes in: Adult Nephrology

2521 Glenn Hendren Drive Suite 202
Liberty, MO 64068

(816) 415-3470

Dr. Duncan B. Johnstone, MD, PHD is a nephrologist in Liberty, MO specializing in adult nephrology.

Office Locations

2521 Glenn Hendren Drive Suite 202
Liberty, MO 64068

(816) 415-3470

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3901 Rainbow Boulevard
Kansas City, KS 66160

(913) 588-6074

(913) 588-3867

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Noteworthy Medicare Patient Procedures Performed by Dr. Duncan B. Johnstone, MD, PHD in 2024

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

Top 25%

By Affordability:

dialysis

hemodialysis

In 2012, Dr. Duncan B. Johnstone, MD, PHD had a list price for dialysis, and hemodialysis that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Missouri. 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. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2012 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	102
doctor visit	23
hospital care	208
inpatient care	208

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2013 were dialysis, hospital care and inpatient care.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	217
doctor visit	40
hospital care	193
inpatient care	193

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	96
Female	96

**Ethnicity**
Non-Hispanic White	0
Black	125
Hispanic	41
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2013

Hypertension	75
High Cholesterol	66
Stroke	13
Ischemic Heart Disease	66
Depression	33
Chronic Kidney Disease	75
Asthma	19
Osteoperosis	0
Atrial Fibrilation	23
Heart Failure	68
Chronic Obstructive Pulmonary Disease	29
Diabetes	71
Dementia	17
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2014 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	148
doctor visit	82
hospital care	226
inpatient care	226

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	124
Female	103

**Ethnicity**
Non-Hispanic White	37
Black	155
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	44
85 and over	11
Less than 65	100

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2014

Hypertension	75
High Cholesterol	67
Stroke	13
Ischemic Heart Disease	73
Depression	34
Chronic Kidney Disease	75
Asthma	18
Osteoperosis	5
Atrial Fibrilation	21
Heart Failure	70
Chronic Obstructive Pulmonary Disease	40
Diabetes	67
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2015 were dialysis, hospital care and inpatient care.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	191
doctor visit	94
hospital care	175
inpatient care	175

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	246
Female	162

**Ethnicity**
Non-Hispanic White	78
Black	254
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	142
From 75 to 84	0
85 and over	0
Less than 65	180

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2015

Hypertension	75
High Cholesterol	58
Stroke	14
Ischemic Heart Disease	68
Depression	36
Chronic Kidney Disease	75
Asthma	22
Osteoperosis	5
Atrial Fibrilation	28
Heart Failure	64
Chronic Obstructive Pulmonary Disease	29
Diabetes	66
Dementia	25
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2016 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	225
doctor visit	84
hemofiltration	56
hospital care	196
inpatient care	196

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	132
Female	84

**Ethnicity**
Non-Hispanic White	43
Black	138
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	0
85 and over	0
Less than 65	110

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2016

Hypertension	75
High Cholesterol	67
Stroke	14
Ischemic Heart Disease	69
Depression	30
Chronic Kidney Disease	75
Asthma	27
Osteoperosis	0
Atrial Fibrilation	18
Heart Failure	63
Chronic Obstructive Pulmonary Disease	23
Diabetes	63
Dementia	22
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2017 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	180
doctor visit	83
hemofiltration	34
hospital care	239
inpatient care	239

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	126
Female	118

**Ethnicity**
Non-Hispanic White	50
Black	164
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	0
85 and over	0
Less than 65	101

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2017

Hypertension	75
High Cholesterol	70
Stroke	12
Ischemic Heart Disease	69
Depression	38
Chronic Kidney Disease	75
Asthma	15
Osteoperosis	6
Atrial Fibrilation	24
Heart Failure	68
Chronic Obstructive Pulmonary Disease	35
Diabetes	63
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2018 were dialysis, hospital care, inpatient care and hemofiltration.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

blood draw	13
dialysis	229
doctor visit	74
hemofiltration	29
hospital care	180
inpatient care	180

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	134
Female	95

**Ethnicity**
Non-Hispanic White	37
Black	155
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	87
From 75 to 84	0
85 and over	0
Less than 65	106

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2018

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	68
Depression	40
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	7
Atrial Fibrilation	24
Heart Failure	68
Chronic Obstructive Pulmonary Disease	28
Diabetes	68
Dementia	25
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2019 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	114
doctor visit	60
hospital care	188
inpatient care	188

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	124
Female	97

**Ethnicity**
Non-Hispanic White	78
Black	115
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	77
From 75 to 84	0
85 and over	0
Less than 65	101

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2019

Hypertension	75
High Cholesterol	70
Stroke	18
Ischemic Heart Disease	66
Depression	47
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	64
Chronic Obstructive Pulmonary Disease	31
Diabetes	66
Dementia	22
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2020 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	147
doctor visit	13
hemofiltration	45
hospital care	340
inpatient care	340

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	96
Female	62

**Ethnicity**
Non-Hispanic White	113
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	52
From 75 to 84	0
85 and over	0
Less than 65	75

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2020

Hypertension	75
High Cholesterol	66
Stroke	21
Ischemic Heart Disease	75
Depression	46
Chronic Kidney Disease	75
Asthma	15
Osteoperosis	0
Atrial Fibrilation	35
Heart Failure	58
Chronic Obstructive Pulmonary Disease	39
Diabetes	63
Dementia	30
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2021 were hospital care, inpatient care, dialysis and hemofiltration.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	58
doctor visit	41
hemofiltration	20
hospital care	268
inpatient care	268

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	75
Female	69

**Ethnicity**
Non-Hispanic White	94
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	0
85 and over	0
Less than 65	63

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2021

Hypertension	75
High Cholesterol	63
Stroke	17
Ischemic Heart Disease	69
Depression	52
Chronic Kidney Disease	75
Asthma	13
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	58
Chronic Obstructive Pulmonary Disease	35
Diabetes	51
Dementia	26
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2022 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	67
doctor visit	36
hospital care	387
inpatient care	387

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	90
Female	69

**Ethnicity**
Non-Hispanic White	88
Black	55
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	48
From 75 to 84	34
85 and over	13
Less than 65	64

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	48
Depression	29
Chronic Kidney Disease	75
Asthma	16
Osteoperosis	0
Atrial Fibrilation	32
Heart Failure	51
Chronic Obstructive Pulmonary Disease	31
Diabetes	58
Dementia	16
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2023 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	40
doctor visit	87
hospital care	204
inpatient care	204

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	108
Female	84

**Ethnicity**
Non-Hispanic White	119
Black	56
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	49
85 and over	14
Less than 65	64

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2023

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	51
Depression	28
Chronic Kidney Disease	75
Asthma	10
Osteoperosis	14
Atrial Fibrilation	26
Heart Failure	53
Chronic Obstructive Pulmonary Disease	28
Diabetes	58
Dementia	13
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO during 2024 were hospital care, inpatient care and dialysis.

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

dialysis	16
doctor visit	146
hospital care	217
inpatient care	217

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	119
Female	86

**Ethnicity**
Non-Hispanic White	147
Black	42
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	84
From 75 to 84	55
85 and over	14
Less than 65	52

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2024

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	57
Depression	35
Chronic Kidney Disease	75
Asthma	12
Osteoperosis	16
Atrial Fibrilation	35
Heart Failure	51
Chronic Obstructive Pulmonary Disease	27
Diabetes	63
Dementia	11
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Duncan B. Johnstone, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Duncan B. Johnstone, MD, PHD treated as a nephrologist in Liberty, MO were hospital care, inpatient care, dialysis and hemofiltration.

blood draw	13
dialysis	133
doctor visit	66
hemofiltration	36
hospital care	232
inpatient care	232

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD.

**Gender**
Male	113
Female	86

**Ethnicity**
Black / African American	96
Asian / Pacific Islander	0
Non-Hispanic White	68
Hispanic	5
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	4
75 to 84	14
Less than 65	84
65 to 74	69

Average of Total of Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Duncan B. Johnstone, MD, PHD treated were chronic kidney disease, hypertension, high cholesterol and ischemic heart disease.

Hypertension	69
High Cholesterol	63
Stroke	13
Ischemic Heart Disease	59
Depression	34
Chronic Kidney Disease	69
Asthma	14
Osteoporosis	5
Heart Failure	56
Chronic Obstructive Pulmonary Disease	28
Diabetes	58
Atrial Fibrillation	23
Cancer	12
Dementia	19

Education & Training

He has a state license in Pennsylvania.

Licensed In: Pennsylvania

Ratings & Reviews

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General Payments

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

**Payments by Company**
Retrophin, Inc.	$4,137 $4,137

**Types of Payments**
Consulting Fee	$3,000
Travel and Lodging	$837
Food and Beverage	$300

Research Payments

Dr. Duncan B. Johnstone, MD, PHD has received 14 research payments totaling $37,376.

Biography

Dr. Duncan Johnstone has obtained a license to practice in Pennsylvania.

Select Year:

Dr. Duncan B. Johnstone, MD, PHD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Duncan B. Johnstone, MD, PHD in 2024

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. Duncan B. Johnstone, MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Duncan B. Johnstone, MD, PHD 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. Duncan B. Johnstone, MD, PHD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Liberty, MO