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Home > CA Providers > Vascular Neurologists
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Dr. Byron R. Spencer JR., MD

Accepting New Patients

(No ratings)

Specializes in: Vascular Neurology
Meharry Medical College
Professional interests include: neurological disorders
5600 S Quebec Street Suite 312 A
Englewood, CO 80111

Dr. Byron R. Spencer JR., MD is a vascular neurologist in Fresno, CA specializing in vascular neurology. He graduated from Meharry Medical College. Dr. Byron R. Spencer JR., MD is affiliated with Saint Agnes Medical Center, HealthOne, Boulder Community Health, CommonSpirit Health - Mountain Region, St. Luke's Health System, West Anaheim Medical Center and HCA HealthONE Swedish HCA HealthONE Sky Ridge HCA HealthONE Rose.

View Doctor's Full Profile (303) 436-2727

Office Locations

1303 E Herndon Avenue
Fresno, CA 93720
(559) 450-3000
open_in_new
499 E Hampden Avenue Suite 360
Englewood, CO 80113
1-866-625-1444
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5600 S Quebec Street Suite 312 A
Englewood, CO 80111
(303) 436-2727
open_in_new
5600 S Quebec Street Suite 312a
Greenwood Village, CO 80111
(303) 436-2727
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9850 W St Lukes Drive
Nampa, ID 83687
(208) 505-2050
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Noteworthy Medicare Patient Procedures Performed by Dr. Byron R. Spencer JR., MD in 2024

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

Top 10%

By Volume:

inpatient hospital care

In 2024, Dr. Byron R. Spencer JR., MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 90% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2012 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

electroencephalography (EEG) 78
hospital care 787
inpatient care 787

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2013 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

doctor visit 40
electroencephalography (EEG) 83
hospital care 663
inpatient care 663

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 190
Female 247
Ethnicity
Non-Hispanic White 365
Black 26
Hispanic 32
Asian 0
Other 0
Native American 0
Age
From 65 to 74 150
From 75 to 84 128
85 and over 86
Less than 65 73

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2013

Hypertension 75
High Cholesterol 62
Stroke 54
Ischemic Heart Disease 42
Depression 39
Chronic Kidney Disease 47
Asthma 9
Osteoperosis 13
Atrial Fibrilation 23
Heart Failure 32
Chronic Obstructive Pulmonary Disease 22
Diabetes 31
Dementia 31
Cancer 12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2014 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

doctor visit 29
electroencephalography (EEG) 68
hospital care 803
inpatient care 803

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 208
Female 276
Ethnicity
Non-Hispanic White 390
Black 31
Hispanic 35
Asian 14
Other 0
Native American 0
Age
From 65 to 74 160
From 75 to 84 145
85 and over 94
Less than 65 85

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2014

Hypertension 75
High Cholesterol 62
Stroke 59
Ischemic Heart Disease 44
Depression 44
Chronic Kidney Disease 48
Asthma 9
Osteoperosis 13
Atrial Fibrilation 25
Heart Failure 36
Chronic Obstructive Pulmonary Disease 27
Diabetes 32
Dementia 30
Cancer 11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2015 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

electroencephalography (EEG) 60
hospital care 666
inpatient care 666

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 344
Female 458
Ethnicity
Non-Hispanic White 664
Black 44
Hispanic 60
Asian 0
Other 0
Native American 0
Age
From 65 to 74 256
From 75 to 84 250
85 and over 158
Less than 65 138

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2015

Hypertension 75
High Cholesterol 61
Stroke 65
Ischemic Heart Disease 45
Depression 43
Chronic Kidney Disease 46
Asthma 14
Osteoperosis 10
Atrial Fibrilation 25
Heart Failure 31
Chronic Obstructive Pulmonary Disease 18
Diabetes 32
Dementia 30
Cancer 14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2016 were hospital care, inpatient care and electroencephalography (EEG).

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

doctor visit 13
electroencephalography (EEG) 61
hospital care 572
inpatient care 572

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 208
Female 213
Ethnicity
Non-Hispanic White 357
Black 34
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 124
From 75 to 84 131
85 and over 95
Less than 65 71

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2016

Hypertension 75
High Cholesterol 68
Stroke 67
Ischemic Heart Disease 45
Depression 43
Chronic Kidney Disease 46
Asthma 23
Osteoperosis 8
Atrial Fibrilation 28
Heart Failure 32
Chronic Obstructive Pulmonary Disease 21
Diabetes 34
Dementia 39
Cancer 15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

hospital care 567
inpatient care 567

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 163
Female 216
Ethnicity
Non-Hispanic White 296
Black 30
Hispanic 30
Asian 12
Other 11
Native American 0
Age
From 65 to 74 125
From 75 to 84 118
85 and over 80
Less than 65 56

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2017

Hypertension 75
High Cholesterol 69
Stroke 68
Ischemic Heart Disease 45
Depression 44
Chronic Kidney Disease 54
Asthma 9
Osteoperosis 10
Atrial Fibrilation 23
Heart Failure 33
Chronic Obstructive Pulmonary Disease 21
Diabetes 35
Dementia 32
Cancer 11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

hospital care 567
inpatient care 567

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 153
Female 161
Ethnicity
Non-Hispanic White 249
Black 19
Hispanic 27
Asian 0
Other 0
Native American 0
Age
From 65 to 74 114
From 75 to 84 92
85 and over 67
Less than 65 41

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2018

Hypertension 75
High Cholesterol 68
Stroke 65
Ischemic Heart Disease 44
Depression 41
Chronic Kidney Disease 52
Asthma 14
Osteoperosis 8
Atrial Fibrilation 23
Heart Failure 33
Chronic Obstructive Pulmonary Disease 26
Diabetes 32
Dementia 30
Cancer 14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

hospital care 466
inpatient care 466

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 133
Female 133
Ethnicity
Non-Hispanic White 226
Black 12
Hispanic 17
Asian 0
Other 0
Native American 0
Age
From 65 to 74 100
From 75 to 84 84
85 and over 47
Less than 65 35

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2019

Hypertension 75
High Cholesterol 73
Stroke 65
Ischemic Heart Disease 53
Depression 48
Chronic Kidney Disease 58
Asthma 10
Osteoperosis 9
Atrial Fibrilation 24
Heart Failure 34
Chronic Obstructive Pulmonary Disease 26
Diabetes 35
Dementia 32
Cancer 16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

hospital care 326
inpatient care 326

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 94
Female 108
Ethnicity
Non-Hispanic White 164
Black 0
Hispanic 22
Asian 0
Other 0
Native American 0
Age
From 65 to 74 75
From 75 to 84 59
85 and over 35
Less than 65 33

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2020

Hypertension 75
High Cholesterol 74
Stroke 61
Ischemic Heart Disease 44
Depression 38
Chronic Kidney Disease 59
Asthma 9
Osteoperosis 14
Atrial Fibrilation 29
Heart Failure 35
Chronic Obstructive Pulmonary Disease 24
Diabetes 40
Dementia 35
Cancer 14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

hospital care 312
inpatient care 312

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 84
Female 86
Ethnicity
Non-Hispanic White 144
Black 0
Hispanic 12
Asian 0
Other 0
Native American 0
Age
From 65 to 74 51
From 75 to 84 58
85 and over 33
Less than 65 28

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2021

Hypertension 75
High Cholesterol 75
Stroke 62
Ischemic Heart Disease 57
Depression 46
Chronic Kidney Disease 64
Asthma 8
Osteoperosis 12
Atrial Fibrilation 26
Heart Failure 40
Chronic Obstructive Pulmonary Disease 27
Diabetes 29
Dementia 34
Cancer 17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

hospital care 406
inpatient care 406

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 94
Female 129
Ethnicity
Non-Hispanic White 178
Black 15
Hispanic 14
Asian 0
Other 0
Native American 0
Age
From 65 to 74 77
From 75 to 84 87
85 and over 43
Less than 65 16

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2022

Hypertension 75
High Cholesterol 75
Stroke 75
Ischemic Heart Disease 41
Depression 43
Chronic Kidney Disease 39
Asthma 10
Osteoperosis 19
Atrial Fibrilation 34
Heart Failure 34
Chronic Obstructive Pulmonary Disease 32
Diabetes 39
Dementia 30
Cancer 20

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

hospital care 312
inpatient care 312

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 98
Female 90
Ethnicity
Non-Hispanic White 156
Black 0
Hispanic 15
Asian 0
Other 0
Native American 0
Age
From 65 to 74 63
From 75 to 84 78
85 and over 29
Less than 65 18

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2023

Hypertension 75
High Cholesterol 72
Stroke 70
Ischemic Heart Disease 45
Depression 40
Chronic Kidney Disease 43
Asthma 12
Osteoperosis 12
Atrial Fibrilation 38
Heart Failure 35
Chronic Obstructive Pulmonary Disease 27
Diabetes 37
Dementia 27
Cancer 17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA during 2024 were hospital care and inpatient care.

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

hospital care 395
inpatient care 395

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 100
Female 127
Ethnicity
Non-Hispanic White 187
Black 0
Hispanic 19
Asian 0
Other 0
Native American 0
Age
From 65 to 74 64
From 75 to 84 93
85 and over 47
Less than 65 23

Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD in 2024

Hypertension 75
High Cholesterol 75
Stroke 67
Ischemic Heart Disease 41
Depression 41
Chronic Kidney Disease 37
Asthma 14
Osteoperosis 22
Atrial Fibrilation 33
Heart Failure 37
Chronic Obstructive Pulmonary Disease 26
Diabetes 33
Dementia 32
Cancer 18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Byron R. Spencer JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. Byron R. Spencer JR., MD treated as a vascular neurologist in Fresno, CA were hospital care, inpatient care and electroencephalography (EEG).

doctor visit 27
electroencephalography (EEG) 70
hospital care 526
inpatient care 526

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Byron R. Spencer JR., MD.

Gender
Male 143
Female 172
Ethnicity
Black / African American 16
Asian / Pacific Islander 2
Non-Hispanic White 259
Hispanic 21
Native American / Alaskan Native 0
Other 0
Age
75 to 84 101
85 and over 62
Less than 65 47
65 to 74 104

Average of Total of Conditions of Medicare patients treated by Dr. Byron R. Spencer JR., MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Byron R. Spencer JR., MD treated were hypertension, high cholesterol, stroke and chronic kidney disease.

Hypertension 69
High Cholesterol 64
Stroke 59
Ischemic Heart Disease 42
Depression 39
Chronic Kidney Disease 45
Asthma 10
Osteoporosis 11
Heart Failure 31
Chronic Obstructive Pulmonary Disease 22
Diabetes 31
Atrial Fibrillation 25
Cancer 13
Dementia 29

Education & Training

Dr. Byron R. Spencer JR., MD graduated from Meharry Medical College. He completed residency at Mayo Clinic. He is certified by the Board Certification: Vascular Neurology and has a state license in Nebraska.

Medical School: Meharry Medical College

Residency: Mayo Clinic

Board Certification: Board Certification: Vascular Neurology

Licensed In: Nebraska

Ratings & Reviews

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General Payments

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

Payments by Company
GENZYME CORPORATION $48 AUBAGIO
$48
Novartis Pharmaceuticals Corporation $22 Gilenya
$22
Types of Payments
Food and Beverage $70

Biography

Dr. Byron Spencer is a specialist in vascular neurology. He is affiliated with CommonSpirit Health - Mountain Region, HealthOne, and Boulder Community Health. After completing medical school at Meharry Medical College, he performed his residency at Mayo Clinic.

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