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Dr. Christopher Michael Callahan, MD

(Dr. Christopher M. Callahan, M.D.)

(No ratings)

Specializes in: Emergency Medicine

University of Minnesota Medical School (2002)

1025 Marsh Street
Mankato, MN 56001

(507) 625-4031

Dr. Christopher Michael Callahan, MD is an emergency medicine doctor in Mankato, MN specializing in emergency medicine. He graduated from University of Minnesota Medical School in 2002 and has 24 years of experience. Dr. Christopher Michael Callahan, MD is affiliated with ST. JOSEPH'S AREA HEALTH SERVICES.

Office Locations

1025 Marsh Street
Mankato, MN 56001

(507) 625-4031

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14700 28th Avenue N Suite 25
Plymouth, MN 55447

(952) 763-5553

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2012 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	297

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2013 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	308

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	138
Female	179

**Ethnicity**
Non-Hispanic White	289
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	82
85 and over	67
Less than 65	107

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2013

Hypertension	70
High Cholesterol	49
Stroke	7
Ischemic Heart Disease	39
Depression	43
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	33
Chronic Obstructive Pulmonary Disease	20
Diabetes	28
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2014 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	289

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	151
Female	166

**Ethnicity**
Non-Hispanic White	278
Black	14
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	75
From 75 to 84	72
85 and over	55
Less than 65	115

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2014

Hypertension	70
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	36
Depression	45
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	25
Chronic Obstructive Pulmonary Disease	23
Diabetes	29
Dementia	17
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2015 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	253

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	282
Female	284

**Ethnicity**
Non-Hispanic White	494
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	142
85 and over	104
Less than 65	210

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2015

Hypertension	69
High Cholesterol	49
Stroke	11
Ischemic Heart Disease	36
Depression	40
Chronic Kidney Disease	42
Asthma	20
Osteoperosis	6
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Dementia	16
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2016 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	212

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	106
Female	127

**Ethnicity**
Non-Hispanic White	198
Black	14
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	42
85 and over	52
Less than 65	85

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2016

Hypertension	67
High Cholesterol	43
Stroke	9
Ischemic Heart Disease	38
Depression	42
Chronic Kidney Disease	40
Asthma	23
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	28
Chronic Obstructive Pulmonary Disease	18
Diabetes	23
Dementia	19
Cancer	7

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2017 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	224

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	94
Female	166

**Ethnicity**
Non-Hispanic White	225
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	65
85 and over	52
Less than 65	88

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2017

Hypertension	70
High Cholesterol	47
Stroke	8
Ischemic Heart Disease	42
Depression	43
Chronic Kidney Disease	45
Asthma	13
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	30
Chronic Obstructive Pulmonary Disease	25
Diabetes	30
Dementia	20
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2018 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	272

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	143
Female	150

**Ethnicity**
Non-Hispanic White	269
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	73
85 and over	61
Less than 65	91

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2018

Hypertension	69
High Cholesterol	55
Stroke	9
Ischemic Heart Disease	44
Depression	46
Chronic Kidney Disease	44
Asthma	12
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	29
Chronic Obstructive Pulmonary Disease	28
Diabetes	29
Dementia	20
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2019 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	466

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	225
Female	249

**Ethnicity**
Non-Hispanic White	442
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	133
From 75 to 84	125
85 and over	109
Less than 65	107

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2019

Hypertension	75
High Cholesterol	64
Stroke	9
Ischemic Heart Disease	40
Depression	45
Chronic Kidney Disease	51
Asthma	11
Osteoperosis	13
Atrial Fibrilation	21
Heart Failure	39
Chronic Obstructive Pulmonary Disease	24
Diabetes	32
Dementia	23
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2020 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	181

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	106
Female	91

**Ethnicity**
Non-Hispanic White	182
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	44
85 and over	37
Less than 65	53

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2020

Hypertension	71
High Cholesterol	62
Stroke	10
Ischemic Heart Disease	38
Depression	45
Chronic Kidney Disease	57
Asthma	11
Osteoperosis	16
Atrial Fibrilation	21
Heart Failure	36
Chronic Obstructive Pulmonary Disease	24
Diabetes	36
Dementia	26
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2021 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	63

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	35
Female	35

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

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2021

Hypertension	60
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	43
Depression	33
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	21
Heart Failure	34
Chronic Obstructive Pulmonary Disease	17
Diabetes	39
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2022 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	16

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	18
Female	26

**Age**
From 65 to 74	0
From 75 to 84	15
85 and over	0
Less than 65	14

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2022

Hypertension	75
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	34
Depression	45
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	0
Atrial Fibrilation	34
Heart Failure	34
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN during 2023 were emergency care.

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

emergency care	49

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	21
Female	31

**Age**
From 65 to 74	14
From 75 to 84	12
85 and over	13
Less than 65	13

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2023

Hypertension	71
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	0
Depression	33
Chronic Kidney Disease	27
Asthma	0
Osteoperosis	29
Atrial Fibrilation	23
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Christopher Michael Callahan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Christopher Michael Callahan, MD treated as an emergency medicine doctor in Mankato, MN were emergency care.

emergency care	219

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Christopher Michael Callahan, MD.

**Gender**
Male	109
Female	125

**Ethnicity**
Black / African American	3
Asian / Pacific Islander	0
Non-Hispanic White	198
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	56
85 and over	47
Less than 65	73
65 to 74	54

Average of Total of Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Christopher Michael Callahan, MD treated were hypertension, high cholesterol, depression and chronic kidney disease.

Hypertension	63
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	32
Depression	38
Chronic Kidney Disease	37
Asthma	9
Osteoporosis	8
Heart Failure	26
Chronic Obstructive Pulmonary Disease	16
Diabetes	27
Atrial Fibrillation	18
Dementia	13
Cancer	8

Education & Training

Dr. Christopher Michael Callahan, MD graduated from University of Minnesota Medical School in 2002. He has a state license in Minnesota.

Medical School: University of Minnesota Medical School (2002)

Licensed In: Minnesota

Ratings & Reviews

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$16 ENROUTE Transcarotid Neuroprotection System $16

**Types of Payments**
Food and Beverage	$16

Biography

Dr. Christopher Callahan is an emergency medicine specialist in Mankato, MN and Plymouth, MN. Dr. Callahan obtained a license to practice in Minnesota.

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Dr. Christopher Michael Callahan, MD

Office Locations

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. Christopher Michael Callahan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Christopher Michael Callahan, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

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