Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > MN Providers > Anesthesiologists

Dr. Mark T. Keegan, MD

(B. Mark Keegan, M.D.)

(No ratings)

Specializes in: Psychiatry & Neurology, Anesthesiology and Critical Care (Intensive Care Medicine)

Trinity College Dublin School of Medicine (1992)

Professional interests include: liver transplant, intensive care

200 First Street SW
Rochester, MN 55905

(507) 284-1588

Dr. Mark T. Keegan, MD is a null in Rochester, MN specializing in psychiatry & neurology, anesthesiology and critical care (intensive care medicine). He graduated from Trinity College Dublin School of Medicine in 1992 and has 34 years of experience. Dr. Mark T. Keegan, MD is affiliated with Mayo Clinic.

Office Locations

200 First Street SW
Rochester, MN 55905

open_in_new

Rochester, MN

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Mark T. Keegan, MD in 2023

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

Top 10%

By Volume:

inpatient hospital care

In 2023, Dr. Mark T. Keegan, MD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 90% of providers in related specialties within Minnesota.

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Mark T. Keegan, 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 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	115
inpatient care	115

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	134
inpatient care	134

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	93
Female	96

**Ethnicity**
Non-Hispanic White	176
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	83
From 75 to 84	48
85 and over	20
Less than 65	38

Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD in 2013

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	47
Depression	28
Chronic Kidney Disease	44
Asthma	11
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	29
Dementia	7
Cancer	24

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	148
inpatient care	148

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	82
Female	85

**Age**
From 65 to 74	76
From 75 to 84	51
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD in 2014

Hypertension	75
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	52
Depression	23
Chronic Kidney Disease	54
Asthma	11
Osteoperosis	13
Atrial Fibrilation	22
Heart Failure	31
Chronic Obstructive Pulmonary Disease	21
Diabetes	29
Dementia	0
Cancer	22

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	93
inpatient care	93

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	114
Female	160

**Age**
From 65 to 74	124
From 75 to 84	76
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD in 2015

Hypertension	75
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	51
Depression	27
Chronic Kidney Disease	49
Asthma	18
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	36
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Dementia	0
Cancer	20

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2016 were hospital care, inpatient care and tracheal (windpipe) procedures.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	187
inpatient care	187
tracheal (windpipe) procedures	17

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	116
Female	73

**Ethnicity**
Non-Hispanic White	176
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	57
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD in 2016

Hypertension	75
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	50
Depression	38
Chronic Kidney Disease	66
Asthma	24
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	36
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	14
Cancer	21

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	174
inpatient care	174

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	96
Female	65

**Age**
From 65 to 74	70
From 75 to 84	37
85 and over	13
Less than 65	41

Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD in 2017

Hypertension	75
High Cholesterol	60
Stroke	12
Ischemic Heart Disease	53
Depression	37
Chronic Kidney Disease	65
Asthma	9
Osteoperosis	11
Atrial Fibrilation	27
Heart Failure	40
Chronic Obstructive Pulmonary Disease	25
Diabetes	32
Dementia	22
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	146
inpatient care	146

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	92
Female	69

**Age**
From 65 to 74	68
From 75 to 84	44
85 and over	14
Less than 65	35

Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD in 2018

Hypertension	75
High Cholesterol	61
Stroke	12
Ischemic Heart Disease	58
Depression	43
Chronic Kidney Disease	70
Asthma	9
Osteoperosis	11
Atrial Fibrilation	32
Heart Failure	48
Chronic Obstructive Pulmonary Disease	35
Diabetes	36
Dementia	22
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	192
inpatient care	192

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	94
Female	84

**Age**
From 65 to 74	83
From 75 to 84	49
85 and over	18
Less than 65	28

Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	15
Ischemic Heart Disease	52
Depression	37
Chronic Kidney Disease	71
Asthma	9
Osteoperosis	13
Atrial Fibrilation	30
Heart Failure	37
Chronic Obstructive Pulmonary Disease	37
Diabetes	33
Dementia	22
Cancer	25

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	157
inpatient care	157

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	85
Female	71

**Age**
From 65 to 74	72
From 75 to 84	44
85 and over	11
Less than 65	29

Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD in 2020

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	54
Depression	37
Chronic Kidney Disease	68
Asthma	7
Osteoperosis	20
Atrial Fibrilation	29
Heart Failure	44
Chronic Obstructive Pulmonary Disease	33
Diabetes	38
Dementia	22
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	157
inpatient care	157

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	76
Female	62

**Ethnicity**
Non-Hispanic White	127
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	38
85 and over	12
Less than 65	35

Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD in 2021

Hypertension	75
High Cholesterol	66
Stroke	12
Ischemic Heart Disease	57
Depression	41
Chronic Kidney Disease	68
Asthma	12
Osteoperosis	13
Atrial Fibrilation	31
Heart Failure	49
Chronic Obstructive Pulmonary Disease	32
Diabetes	46
Dementia	28
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

hospital care	166
inpatient care	166

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	86
Female	56

**Ethnicity**
Non-Hispanic White	130
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	56
From 75 to 84	47
85 and over	11
Less than 65	28

Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	45
Depression	32
Chronic Kidney Disease	54
Asthma	0
Osteoperosis	18
Atrial Fibrilation	39
Heart Failure	48
Chronic Obstructive Pulmonary Disease	35
Diabetes	36
Dementia	15
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark T. Keegan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark T. Keegan, MD treated as a null in Rochester, MN were hospital care, inpatient care and tracheal (windpipe) procedures.

hospital care	151
inpatient care	151
tracheal (windpipe) procedures	17

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark T. Keegan, MD.

**Gender**
Male	84
Female	74

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	55
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	44
85 and over	9
Less than 65	21
65 to 74	70

Average of Total of Conditions of Medicare patients treated by Dr. Mark T. Keegan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark T. Keegan, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	68
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	47
Depression	31
Chronic Kidney Disease	55
Asthma	10
Osteoporosis	12
Heart Failure	35
Chronic Obstructive Pulmonary Disease	25
Diabetes	31
Atrial Fibrillation	25
Dementia	13
Cancer	18

Education & Training

Dr. Mark T. Keegan, MD graduated from Trinity College Dublin School of Medicine in 1992. He completed residency at Mater Misericordiae University Hospital. He is certified by the Critical Care Medicine American Board of Anesthesiology and has a state license in Minnesota.

Medical School: Trinity College Dublin School of Medicine (1992)

Residency: Mater Misericordiae University Hospital (1995)

Board Certification: Critical Care Medicine American Board of Anesthesiology (2001)

Licensed In: Minnesota

Affiliations & Hospitals

Dr. Mark T. Keegan, MD is associated with these hospitals and organizations:

Mayo Clinic

Ratings & Reviews

Dr. Mark T. Keegan, MD does not have any reviews yet, be the first to leave a review of Dr. Mark T. Keegan, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
EMD Serono, Inc.	$3,780 Evobrutinib $3,780

**Types of Payments**
Consulting Fee	$3,780

Research Payments

Dr. Mark T. Keegan, MD has received 5 research payments totaling $16,792.

Biography

Dr. Mark Keegan is a specialist in anesthesiology and critical care (intensive care medicine) in Rochester, MN. Dr. Keegan's areas of expertise include the following: intensive care and liver transplant. He graduated from the University of Saskatchewan College of Medicine and Trinity College Dublin School of Medicine. He trained at Mayo Clinic, Mater Misericordiae University Hospital, and a hospital affiliated with the University of Saskatchewan for residency. Dr. Keegan's distinctions include: "Above and Beyond" Award - Above and Beyond Recognition Program; 2nd Annual Paul Lorhan Lecturship - Kansas University, Department of Anesthesiology; and Recognition as &quot. He is affiliated with Mayo Clinic.