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Home > WI Providers > Radiation Oncologists

Dr. Marcus A. Crosby, MD

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Specializes in: Radiation Oncology

Medical College of Wisconsin (2009)

1836 South Avenue
La Crosse, WI 54601

(608) 782-7300

Dr. Marcus A. Crosby, MD is a radiation oncologist in La Crosse, WI specializing in radiation oncology. He graduated from Medical College of Wisconsin in 2009 and has 17 years of experience. Dr. Marcus A. Crosby, MD is affiliated with GUNDERSEN CLINIC LTD and GUNDERSEN LUTHERAN MEDICAL CENTER INC.

Office Locations

1836 South Avenue
La Crosse, WI 54601

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Noteworthy Medicare Patient Procedures Performed by Dr. Marcus A. Crosby, MD in 2023

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

Top 25%

By Volume:

radiation therapy

By Affordability:

external beam radiation therapy

In 2012, among providers in related specialties within Wisconsin, Dr. Marcus A. Crosby, MD performed more radiation therapy procedures for Medicare patients than 75% of them and he also had a list price for external beam radiation therapy (EBRT) that was lower than the list prices billed to Medicare by 75% of them. 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. Marcus A. Crosby, MD treated as a radiation oncologist in La Crosse, WI during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Marcus A. Crosby, MD for Medicare patients.

doctor visit	16
hospital care	87
inpatient care	87

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Marcus A. Crosby, MD treated as a radiation oncologist in La Crosse, WI during 2013 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Marcus A. Crosby, MD for Medicare patients.

doctor visit	13
hospital care	409
inpatient care	348
outpatient care	61

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcus A. Crosby, MD.

**Gender**
Male	147
Female	144

**Age**
From 65 to 74	80
From 75 to 84	82
85 and over	53
Less than 65	76

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2013

Hypertension	75
High Cholesterol	50
Stroke	10
Ischemic Heart Disease	46
Depression	38
Chronic Kidney Disease	53
Asthma	10
Osteoperosis	10
Atrial Fibrilation	23
Heart Failure	40
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Marcus A. Crosby, MD treated as a radiation oncologist in La Crosse, WI during 2014 were hospital care, inpatient care and outpatient care.

Volume of procedures performed by Dr. Marcus A. Crosby, MD for Medicare patients.

hospital care	221
inpatient care	189
outpatient care	32

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcus A. Crosby, MD.

**Gender**
Male	67
Female	84

**Age**
From 65 to 74	58
From 75 to 84	37
85 and over	23
Less than 65	33

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2014

Hypertension	75
High Cholesterol	45
Stroke	8
Ischemic Heart Disease	48
Depression	36
Chronic Kidney Disease	54
Asthma	13
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	38
Chronic Obstructive Pulmonary Disease	22
Diabetes	47
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Marcus A. Crosby, MD for Medicare patients.

doctor visit	12

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2017

Hypertension	71
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Marcus A. Crosby, MD for Medicare patients.

doctor visit	85

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcus A. Crosby, MD.

**Gender**
Male	17
Female	19

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

**Age**
From 65 to 74	0
From 75 to 84	15
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2018

Hypertension	69
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	31
Depression	0
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	58

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Marcus A. Crosby, MD for Medicare patients.

doctor visit	262

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcus A. Crosby, MD.

**Gender**
Male	72
Female	57

**Age**
From 65 to 74	69
From 75 to 84	33
85 and over	15
Less than 65	12

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2019

Hypertension	65
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	36
Depression	20
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	22
Diabetes	29
Dementia	9
Cancer	64

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Marcus A. Crosby, MD treated as a radiation oncologist in La Crosse, WI during 2020 were radiation therapy.

Volume of procedures performed by Dr. Marcus A. Crosby, MD for Medicare patients.

doctor visit	239
radiation therapy	70

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcus A. Crosby, MD.

**Gender**
Male	75
Female	86

**Age**
From 65 to 74	84
From 75 to 84	50
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2020

Hypertension	57
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	29
Depression	24
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	19
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	0
Cancer	73

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Marcus A. Crosby, MD for Medicare patients.

doctor visit	238

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcus A. Crosby, MD.

**Gender**
Male	90
Female	86

**Age**
From 65 to 74	91
From 75 to 84	48
85 and over	22
Less than 65	15

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2021

Hypertension	65
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	20
Diabetes	26
Dementia	0
Cancer	74

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Marcus A. Crosby, MD for Medicare patients.

doctor visit	247

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Marcus A. Crosby, MD.

**Gender**
Male	68
Female	102

**Age**
From 65 to 74	77
From 75 to 84	56
85 and over	15
Less than 65	22

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2022

Hypertension	72
High Cholesterol	62
Stroke	10
Ischemic Heart Disease	18
Depression	28
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	28
Diabetes	32
Dementia	0
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Marcus A. Crosby, MD for Medicare patients.

The highest averages for the top procedures that Dr. Marcus A. Crosby, MD treated as a radiation oncologist in La Crosse, WI were hospital care, inpatient care, radiation therapy and outpatient care.

doctor visit	139
hospital care	239
inpatient care	208
outpatient care	46
radiation therapy	70

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Marcus A. Crosby, MD.

**Gender**
Male	59
Female	64

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	4
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	35
85 and over	14
Less than 65	17
65 to 74	51

Average of Total of Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Marcus A. Crosby, MD treated were hypertension, cancer, high cholesterol and chronic kidney disease.

Hypertension	61
High Cholesterol	39
Stroke	3
Ischemic Heart Disease	26
Depression	18
Chronic Kidney Disease	34
Asthma	3
Osteoporosis	6
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	22
Atrial Fibrillation	9
Dementia	4
Cancer	41

Education & Training

Dr. Marcus A. Crosby, MD graduated from Medical College of Wisconsin in 2009. He has a state license in Wisconsin.

Medical School: Medical College of Wisconsin (2009)

Licensed In: Wisconsin

Affiliations & Hospitals

Dr. Marcus A. Crosby, MD is associated with these hospitals and organizations:

GUNDERSEN CLINIC LTD

GUNDERSEN LUTHERAN MEDICAL CENTER INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
SANOFI-AVENTIS U.S. LLC	$100 JEVTANA $100
Novocure Inc.	$26 Oncology $26

**Types of Payments**
Education	$100
Food and Beverage	$26

Biography

Dr. Marcus Crosby is a radiation oncology specialist in La Crosse, WI. He is a graduate of Medical College of Wisconsin.

Select Year:

Dr. Marcus A. Crosby, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Marcus A. Crosby, MD in 2023

By Volume:

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. Marcus A. Crosby, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2014

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marcus A. Crosby, 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. Marcus A. Crosby, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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