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Home > OR Providers > Neurologists

Dr. John Dempster JR., MD

Accepting New Patients

(109 Ratings)

Specializes in: Neurology (Brain & Spinal Cord Disease) and Neurophysiology

Professional interests include: epilepsy

501 N Graham Street Suite 445, Medical Office Building 2
Portland, OR 97227

(503) 413-6166

Dr. John Dempster JR., MD is a neurologist in Portland, OR specializing in neurology (brain & spinal cord disease) and neurophysiology. Dr. John Dempster JR., MD is affiliated with Legacy Salmon Creek Medical Center, Legacy Emanuel Medical Center and Legacy Health.

Office Locations

501 N Graham Street Suite 445, Medical Office Building 2
Portland, OR 97227

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Noteworthy Medicare Patient Procedures Performed by Dr. John Dempster JR., MD in 2023

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

Top 10%

By Volume:

electroencephalography

In 2023, Dr. John Dempster JR., MD performed more electroencephalography (EEG) procedures for Medicare patients than 90% of providers in related specialties within Oregon.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2012 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	263
electroencephalography (EEG)	117
hospital care	52
inpatient care	52

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2013 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	254
electroencephalography (EEG)	184
hospital care	66
inpatient care	66

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	117
Female	121

**Ethnicity**
Non-Hispanic White	215
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	64
85 and over	31
Less than 65	61

Conditions of Medicare patients treated by Dr. John Dempster JR., MD in 2013

Hypertension	66
High Cholesterol	50
Stroke	31
Ischemic Heart Disease	31
Depression	39
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	32
Chronic Obstructive Pulmonary Disease	18
Diabetes	37
Dementia	29
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2014 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	214
electroencephalography (EEG)	199
hospital care	66
inpatient care	66

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	112
Female	111

**Ethnicity**
Non-Hispanic White	200
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	62
85 and over	28
Less than 65	72

Conditions of Medicare patients treated by Dr. John Dempster JR., MD in 2014

Hypertension	65
High Cholesterol	48
Stroke	31
Ischemic Heart Disease	31
Depression	43
Chronic Kidney Disease	35
Asthma	11
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	30
Chronic Obstructive Pulmonary Disease	17
Diabetes	35
Dementia	33
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2015 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	228
electroencephalography (EEG)	182
hospital care	23
inpatient care	23

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	214
Female	230

**Ethnicity**
Non-Hispanic White	396
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	94
85 and over	32
Less than 65	148

Conditions of Medicare patients treated by Dr. John Dempster JR., MD in 2015

Hypertension	66
High Cholesterol	45
Stroke	24
Ischemic Heart Disease	33
Depression	45
Chronic Kidney Disease	36
Asthma	17
Osteoperosis	7
Atrial Fibrilation	22
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	27
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2016 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	264
electroencephalography (EEG)	165
hospital care	22
inpatient care	22

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	125
Female	137

**Ethnicity**
Non-Hispanic White	231
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	58
85 and over	33
Less than 65	80

Conditions of Medicare patients treated by Dr. John Dempster JR., MD in 2016

Hypertension	63
High Cholesterol	45
Stroke	32
Ischemic Heart Disease	33
Depression	42
Chronic Kidney Disease	36
Asthma	18
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	37
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2017 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	145
electroencephalography (EEG)	127
hospital care	45
inpatient care	45

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	83
Female	99

**Ethnicity**
Non-Hispanic White	157
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	34
85 and over	16
Less than 65	68

Conditions of Medicare patients treated by Dr. John Dempster JR., MD in 2017

Hypertension	57
High Cholesterol	38
Stroke	19
Ischemic Heart Disease	30
Depression	35
Chronic Kidney Disease	36
Asthma	16
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	21
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Dementia	27
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2018 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	141
electroencephalography (EEG)	122
hospital care	39
inpatient care	39

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	86
Female	95

**Ethnicity**
Non-Hispanic White	151
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	60
From 75 to 84	36
85 and over	17
Less than 65	68

Conditions of Medicare patients treated by Dr. John Dempster JR., MD in 2018

Hypertension	61
High Cholesterol	40
Stroke	18
Ischemic Heart Disease	27
Depression	38
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	24
Chronic Obstructive Pulmonary Disease	12
Diabetes	34
Dementia	27
Cancer	6

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2019 were electroencephalography (EEG).

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	168
electroencephalography (EEG)	116

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	92
Female	95

**Ethnicity**
Non-Hispanic White	156
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	23
85 and over	15
Less than 65	87

Conditions of Medicare patients treated by Dr. John Dempster JR., MD in 2019

Hypertension	55
High Cholesterol	39
Stroke	20
Ischemic Heart Disease	30
Depression	45
Chronic Kidney Disease	34
Asthma	12
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	22
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	28
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2020 were electroencephalography (EEG).

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	100
electroencephalography (EEG)	38

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	83
Female	71

**Ethnicity**
Non-Hispanic White	129
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	27
85 and over	12
Less than 65	61

Conditions of Medicare patients treated by Dr. John Dempster JR., MD in 2020

Hypertension	55
High Cholesterol	40
Stroke	24
Ischemic Heart Disease	27
Depression	42
Chronic Kidney Disease	37
Asthma	0
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	28
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2021 were electroencephalography (EEG).

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	136
electroencephalography (EEG)	55

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	109
Female	79

**Ethnicity**
Non-Hispanic White	158
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	35
85 and over	14
Less than 65	68

Conditions of Medicare patients treated by Dr. John Dempster JR., MD in 2021

Hypertension	53
High Cholesterol	38
Stroke	18
Ischemic Heart Disease	30
Depression	34
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Dementia	27
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR during 2022 were electroencephalography (EEG).

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

doctor visit	144
electroencephalography (EEG)	47

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	89
Female	97

**Ethnicity**
Non-Hispanic White	156
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	49
85 and over	16
Less than 65	68

Conditions of Medicare patients treated by Dr. John Dempster JR., MD in 2022

Hypertension	56
High Cholesterol	49
Stroke	25
Ischemic Heart Disease	19
Depression	33
Chronic Kidney Disease	22
Asthma	15
Osteoperosis	16
Atrial Fibrilation	17
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	20
Cancer	9

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John Dempster JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. John Dempster JR., MD treated as a neurologist in Portland, OR were electroencephalography (EEG), hospital care and inpatient care.

doctor visit	187
electroencephalography (EEG)	122
hospital care	44
inpatient care	44

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John Dempster JR., MD.

**Gender**
Male	100
Female	103

**Ethnicity**
Black / African American	6
Asian / Pacific Islander	0
Non-Hispanic White	177
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	43
85 and over	19
Less than 65	71
65 to 74	69

Average of Total of Conditions of Medicare patients treated by Dr. John Dempster JR., MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John Dempster JR., MD treated were hypertension, high cholesterol, depression and chronic kidney disease.

Hypertension	54
High Cholesterol	39
Stroke	22
Ischemic Heart Disease	26
Depression	36
Chronic Kidney Disease	30
Asthma	10
Osteoporosis	7
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Atrial Fibrillation	12
Dementia	25
Cancer	6

Education & Training

He has a state license in Oregon.

Licensed In: Oregon

Affiliations & Hospitals

Dr. John Dempster JR., MD is associated with these hospitals and organizations:

Legacy Salmon Creek Medical Center

Legacy Emanuel Medical Center

Legacy Health

Ratings & Reviews

Dr. John Dempster JR., MD has an exceptional overall rating with an average of 4.75 out of 5 stars based on 109 ratings. We collect ratings and reviews of Dr. John Dempster JR., MD from all over the web to help you find the right in Portland, OR.

4.75

Overall Rating

(109 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2025-04-18

Patient verified via Press Ganey

Dr. Dempster too time to listen to my health updates and provide feedback and advice based on my current concerns. He also spent a considerable amount of time explaining my upcoming surgery and answering our questions.

Overall Rating: 5.0 2025-05-28

Patient verified via Press Ganey

Excellent

Overall Rating: 5.0 2025-04-27

Patient verified via Press Ganey

Very good

General Payments

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

**Payments by Company**
Sunovion Pharmaceuticals Inc.	$57,055 APTIOM $57,055
Lundbeck LLC	$3,821 ONFI $3,787	NORTHERA $19	SABRIL $15
Boston Scientific Corporation	$231 WATCHMAN $231
Teva Pharmaceuticals USA, Inc.	$199 COPAXONE $105	AZILECT $84	NUVIGIL $11
Biogen Idec Inc.	$191 AVONEX $89	TECFIDERA $53	TYSABRI $49
Other	$1,385 Vimpat $159	BOTOX $155	Rebif $95	ACTIVA $69	Deep Brain Neurostimulation $61	Other $845

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$51,042
Travel and Lodging	$4,769
Food and Beverage	$3,962
Honoraria	$2,925
Education	$94
Other	$92

Biography

Dr. John Dempster practices neurophysiology and neurology (brain & spinal cord disease). Dr. Dempster attended medical school at the University of Arkansas for Medical Sciences College of Medicine. His areas of expertise include epilepsy. He has a 4.5 out of 5 star average patient rating. He offers interpreting services for his patients. His professional affiliations include Legacy Emanuel Medical Center and Legacy Salmon Creek Medical Center. Dr. Dempster welcomes new patients at his office inPortland, OR as reported by Doctor.com.