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Dr. Leon Bruce Marshall, DO

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Specializes in: Neurology (Brain & Spinal Cord Disease)

Michigan State University College of Osteopathic Medicine (1990)

1040 Nw 22nd Avenue Suite 420
Portland, OR 97210

(503) 488-2424

Dr. Leon Bruce Marshall, DO is a neurologist in Portland, OR specializing in neurology (brain & spinal cord disease). He graduated from Michigan State University College of Osteopathic Medicine in 1990 and has 36 years of experience. Dr. Leon Bruce Marshall, DO is affiliated with LEGACY CLINICS LLC and LEGACY SALMON CREEK HOSPITAL.

Office Locations

1040 Nw 22nd Avenue Suite 420
Portland, OR 97210

(503) 488-2424

(503) 229-7105

open_in_new

24800 Se Stark Street
Gresham, OR 97030

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In The News

“Portland, Ore., Feb.17, 2011 - The Oregon Clinic s Neurology Clinic West division welcomes Lee Marshall, DO.”—"The Oregon Clinic Welcomes New Physician to Neurology Clinic West", Oregonlive , February 2011

“The Oregon Clinic s Neurology Clinic West division welcomes Lee Marshall, DO.”—"The Oregon Clinic Welcomes New Physician to Neurology Clinic West", Oregonlive , February 2011

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2012 were hospital care, inpatient care, electroencephalography (EEG) and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

brain imaging (neuroimaging)	14
doctor visit	352
electroencephalography (EEG)	41
hospital care	52
inpatient care	52
MRI (magnetic resonance imaging)	14

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2013 were electroencephalography (EEG), hospital care and inpatient care.

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

doctor visit	331
electroencephalography (EEG)	55
hospital care	47
inpatient care	47

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	126
Female	157

**Ethnicity**
Non-Hispanic White	240
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	65
85 and over	40
Less than 65	90

Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO in 2013

Hypertension	63
High Cholesterol	49
Stroke	26
Ischemic Heart Disease	28
Depression	41
Chronic Kidney Disease	26
Asthma	8
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	23
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2014 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

doctor visit	307
electroencephalography (EEG)	45
hospital care	69
inpatient care	69

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	118
Female	161

**Ethnicity**
Non-Hispanic White	230
Black	27
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	82
From 75 to 84	62
85 and over	28
Less than 65	107

Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO in 2014

Hypertension	59
High Cholesterol	46
Stroke	23
Ischemic Heart Disease	27
Depression	38
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	27
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2015 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

doctor visit	276
electroencephalography (EEG)	28
hospital care	70
inpatient care	70

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	214
Female	272

**Ethnicity**
Non-Hispanic White	410
Black	28
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	124
85 and over	58
Less than 65	136

Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO in 2015

Hypertension	58
High Cholesterol	44
Stroke	22
Ischemic Heart Disease	29
Depression	41
Chronic Kidney Disease	23
Asthma	12
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	27
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2016 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

doctor visit	249
electroencephalography (EEG)	15
hospital care	50
inpatient care	50

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	94
Female	135

**Ethnicity**
Non-Hispanic White	192
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	58
85 and over	19
Less than 65	61

Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO in 2016

Hypertension	67
High Cholesterol	48
Stroke	21
Ischemic Heart Disease	29
Depression	38
Chronic Kidney Disease	30
Asthma	17
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	29
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

doctor visit	46
hospital care	160
inpatient care	160

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	75
Female	84

**Ethnicity**
Non-Hispanic White	136
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	34
85 and over	19
Less than 65	41

Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO in 2017

Hypertension	74
High Cholesterol	48
Stroke	42
Ischemic Heart Disease	29
Depression	40
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	42
Dementia	28
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

doctor visit	34
hospital care	132
inpatient care	132

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	70
Female	73

**Ethnicity**
Non-Hispanic White	124
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	36
85 and over	20
Less than 65	25

Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO in 2018

Hypertension	75
High Cholesterol	64
Stroke	57
Ischemic Heart Disease	41
Depression	43
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	33
Chronic Obstructive Pulmonary Disease	21
Diabetes	38
Dementia	33
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

doctor visit	38
hospital care	271
inpatient care	271

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	114
Female	138

**Ethnicity**
Non-Hispanic White	217
Black	0
Hispanic	0
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	78
From 75 to 84	81
85 and over	50
Less than 65	43

Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO in 2019

Hypertension	75
High Cholesterol	73
Stroke	52
Ischemic Heart Disease	45
Depression	47
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	36
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	29
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

doctor visit	40
hospital care	134
inpatient care	134

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	88
Female	96

**Ethnicity**
Non-Hispanic White	159
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	60
85 and over	38
Less than 65	23

Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO in 2020

Hypertension	75
High Cholesterol	74
Stroke	56
Ischemic Heart Disease	45
Depression	42
Chronic Kidney Disease	55
Asthma	10
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	32
Chronic Obstructive Pulmonary Disease	21
Diabetes	46
Dementia	32
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2021 were hospital care, inpatient care and emergency care.

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

doctor visit	43
emergency care	11
hospital care	157
inpatient care	157

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	84
Female	107

**Ethnicity**
Non-Hispanic White	167
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	62
85 and over	31
Less than 65	36

Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO in 2021

Hypertension	75
High Cholesterol	70
Stroke	62
Ischemic Heart Disease	44
Depression	42
Chronic Kidney Disease	53
Asthma	9
Osteoperosis	10
Atrial Fibrilation	19
Heart Failure	31
Chronic Obstructive Pulmonary Disease	16
Diabetes	36
Dementia	31
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

hospital care	44
inpatient care	44

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	64
Female	69

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

**Age**
From 65 to 74	46
From 75 to 84	46
85 and over	23
Less than 65	18

Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	75
Ischemic Heart Disease	31
Depression	35
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	15
Atrial Fibrilation	35
Heart Failure	26
Chronic Obstructive Pulmonary Disease	27
Diabetes	31
Dementia	25
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Leon Bruce Marshall, DO for Medicare patients.

The highest averages for the top procedures that Dr. Leon Bruce Marshall, DO treated as a neurologist in Portland, OR were hospital care, inpatient care, electroencephalography (EEG) and brain imaging (neuroimaging).

brain imaging (neuroimaging)	14
doctor visit	171
electroencephalography (EEG)	36
emergency care	11
hospital care	107
inpatient care	107
MRI (magnetic resonance imaging)	14

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Leon Bruce Marshall, DO.

**Gender**
Male	95
Female	117

**Ethnicity**
Black / African American	7
Asian / Pacific Islander	1
Non-Hispanic White	181
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	57
85 and over	29
Less than 65	52
65 to 74	73

Average of Total of Conditions of Medicare patients treated by Dr. Leon Bruce Marshall, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Leon Bruce Marshall, DO treated were hypertension, high cholesterol, stroke and depression.

Hypertension	63
High Cholesterol	53
Stroke	39
Ischemic Heart Disease	31
Depression	37
Chronic Kidney Disease	35
Asthma	8
Osteoporosis	8
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Atrial Fibrillation	15
Dementia	25
Cancer	10

Education & Training

Dr. Leon Bruce Marshall, DO graduated from Michigan State University College of Osteopathic Medicine in 1990. He is certified by the Board Certification: American Osteopathic Association - Neurology and has a state license in Oregon.

Medical School: Michigan State University College of Osteopathic Medicine (1990)

Board Certification: Board Certification: American Osteopathic Association - Neurology

Licensed In: Oregon

Affiliations & Hospitals

Dr. Leon Bruce Marshall, DO is associated with these hospitals and organizations:

LEGACY CLINICS LLC

LEGACY SALMON CREEK HOSPITAL

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Leon Bruce Marshall, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Merck Sharp & Dohme Corporation	$29 NON-PRODUCT $29
Actavis Pharma Inc	$13 NAMENDA XR $13

**Types of Payments**
Education	$29
Food and Beverage	$13

Biography

Dr. Lee Marshall practices neurology (brain & spinal cord disease) in Portland, OR and Gresham, OR. Dr. Marshall is a graduate of Michigan State University College of Osteopathic Medicine.