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Dr. Stephen M. Ansell, PhD, MD

(Stephen Ansell, M.D.)

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Specializes in: Medical Oncology, Hematology (Blood Disorders), Adult Oncology and Adult Hematology

University of Pretoria School of Medicine (1986)

Professional interests include: B-cell lymphoma, non-Hodgkin's lymphoma, Hodgkin's lymphoma, and more.

200 First Street SW
Rochester, MN 55905

(507) 284-2511

Dr. Stephen M. Ansell, PhD, MD is a medical oncologist in Rochester, MN specializing in medical oncology, hematology (blood disorders), adult oncology and adult hematology. He graduated from University of Pretoria School of Medicine in 1986 and has 40 years of experience. Dr. Stephen M. Ansell, PhD, MD is affiliated with Mayo Clinic.

Office Locations

200 First Street SW
Rochester, MN 55905

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Rochester, MN

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In The News (see more mentions in the news)

“Stephen M. Ansell, MD, PhD, the Dorotha W. and Grant L. Sundquist Professor in Hematologic Malignancies Research at the Mayo Clinic in Rochester, Minnesota.”—"The Leukemia & Lymphoma Society Honors Six Outstanding Blood Cancer Scientists with 2022 Achievement Awards", KRON4, December 2022

“"This is a really exciting time in cancer management," said Dr. Stephen Ansell, the senior deputy director for the Midwest at the Mayo Clinic Comprehensive Cancer Center in Rochester, Minnesota,...”—"Cancer death rates continue to fall, driven by new treatments and improved screening", Yahoo News, September 2022

“Stephen M. Ansell, MD, PhD, Professor of Medicine, Division of Hematology at the Mayo Clinic, with extensive expertise in B-cell malignancies, including both Hodgkin and non-Hodgkin lymphomas.”—"Affimed Establishes Scientific Advisory Board", Associated Press News, June 2022

Noteworthy Medicare Patient Procedures Performed by Dr. Stephen M. Ansell, PhD, MD in 2023

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

Top 5%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2023, Dr. Stephen M. Ansell, PhD, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Minnesota. 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.

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. Stephen M. Ansell, PhD, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within Minnesota.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Stephen M. Ansell, PhD, MD treated as a medical oncologist in Rochester, MN during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	175
hospital care	59
inpatient care	59

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	234

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Male	53
Female	64

**Age**
From 65 to 74	63
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2013

Hypertension	58
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	42
Depression	18
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	17
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Stephen M. Ansell, PhD, MD treated as a medical oncologist in Rochester, MN during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	213
hospital care	48
inpatient care	48

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Male	68
Female	53

**Age**
From 65 to 74	70
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2014

Hypertension	50
High Cholesterol	48
Stroke	0
Ischemic Heart Disease	45
Depression	24
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	18
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	203

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Male	122
Female	98

**Age**
From 65 to 74	122
From 75 to 84	66
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2015

Hypertension	50
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	33
Depression	15
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	116

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Male	46
Female	40

**Age**
From 65 to 74	45
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2016

Hypertension	60
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	35
Depression	20
Chronic Kidney Disease	34
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	15
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Stephen M. Ansell, PhD, MD treated as a medical oncologist in Rochester, MN during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	144
hospital care	41
inpatient care	41

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Male	53
Female	45

**Age**
From 65 to 74	48
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2017

Hypertension	52
High Cholesterol	31
Stroke	0
Ischemic Heart Disease	41
Depression	16
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Stephen M. Ansell, PhD, MD treated as a medical oncologist in Rochester, MN during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	122
hospital care	59
inpatient care	59

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Male	53
Female	45

**Age**
From 65 to 74	49
From 75 to 84	33
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2018

Hypertension	53
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	37
Depression	19
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	12
Diabetes	16
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	150

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Male	50
Female	51

**Age**
From 65 to 74	61
From 75 to 84	24
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2019

Hypertension	54
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	31
Depression	20
Chronic Kidney Disease	37
Asthma	0
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	16
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	91

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Male	53
Female	34

**Age**
From 65 to 74	54
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2020

Hypertension	37
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	25
Depression	17
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	0
Diabetes	15
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Stephen M. Ansell, PhD, MD treated as a medical oncologist in Rochester, MN during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	143
hospital care	53
inpatient care	53

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Male	63
Female	53

**Age**
From 65 to 74	70
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2021

Hypertension	52
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	12
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Stephen M. Ansell, PhD, MD treated as a medical oncologist in Rochester, MN during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

doctor visit	102
hospital care	49
inpatient care	49

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Male	61
Female	52

**Age**
From 65 to 74	66
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2022

Hypertension	59
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	22
Depression	16
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	19
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Stephen M. Ansell, PhD, MD for Medicare patients.

The highest averages for the top procedures that Dr. Stephen M. Ansell, PhD, MD treated as a medical oncologist in Rochester, MN were hospital care and inpatient care.

doctor visit	153
hospital care	51
inpatient care	51

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD.

**Gender**
Female	48
Male	56

**Age**
85 and over	0
75 to 84	25
Less than 65	0
65 to 74	58

Average of Total of Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Stephen M. Ansell, PhD, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	47
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	31
Depression	17
Chronic Kidney Disease	30
Asthma	0
Osteoporosis	3
Heart Failure	15
Chronic Obstructive Pulmonary Disease	7
Diabetes	17
Atrial Fibrillation	9
Dementia	3
Cancer	7

Education & Training

Dr. Stephen M. Ansell, PhD, MD graduated from University of Pretoria School of Medicine in 1986. He completed residency at University of Pretoria Affiliated Hospitals. He is certified by the Internal Medicine American Board of Internal Medicine and has a state license in Minnesota.

Medical School: University of Pretoria School of Medicine (1986)

Residency: University of Pretoria Affiliated Hospitals (1990)

Board Certification: Internal Medicine American Board of Internal Medicine (1996)

Licensed In: Minnesota

Affiliations & Hospitals

Dr. Stephen M. Ansell, PhD, MD is associated with these hospitals and organizations:

Mayo Clinic

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Stephen M. Ansell, PhD, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Janssen Research & Development, LLC	$5,634 DARZALEX $5,634
E.R. Squibb & Sons, L.L.C.	$4,081 OPDIVO $4,034	$47
Millennium Pharmaceuticals, Inc.	$2,384 ADCETRIS $2,195	$189
Actelion Pharmaceuticals US, Inc.	$1,348 $1,348
Amgen Inc.	$517 $517
Other	$852 ADCETRIS $43	SGN35 $38	ZALTRAP ziv-aflibercept injection for intravenous infusion $29	$743

**Types of Payments**
Consulting Fee	$10,721
Travel and Lodging	$2,475
Food and Beverage	$1,099
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$517
Education	$5

Research Payments

Dr. Stephen M. Ansell, PhD, MD has received 365 research payments totaling $9,641,269.

Biography

Dr. Stephen Ansell is an adult hematology, adult oncology, and medical oncology specialist. In his practice, he is particularly interested in burkitt's lymphoma and hodgkin's lymphoma. After completing medical school at the University of Pretoria School of Medicine, he performed his residency at Mayo Clinic and a hospital affiliated with the University of Pretoria. Dr. Ansell has received the following distinctions: Ernest Beutler Award - American Society of Hematology; Fellowship - Royal College of Physicians of Edinburgh; and DOM Outstanding Investigator Award - Department of Medicine Recognition Awards. He is affiliated with Mayo Clinic.

Select Year:

Dr. Stephen M. Ansell, PhD, MD

Office Locations

In The News (see more mentions in the news)

Noteworthy Medicare Patient Procedures Performed by Dr. Stephen M. Ansell, PhD, MD in 2023

By Affordability:

By Volume:

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. Stephen M. Ansell, PhD, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Stephen M. Ansell, PhD, 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. Stephen M. Ansell, PhD, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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