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Home > OH Providers > Family Physicians & Family Medicine Specialists

Dr. Sean Patrick Callahan, MD

(No ratings)

Specializes in: Family Medicine

11697 West State Route 163
Oak Harbor, OH 43449

(419) 898-0993

Dr. Sean Patrick Callahan, MD is a family medicine practitioner in Oak Harbor, OH specializing in family medicine. Dr. Sean Patrick Callahan, MD is affiliated with Magruder Hospital.

Office Locations

Magruder Hospital

11697 West State Route 163
Oak Harbor, OH 43449

(419) 898-0993

(419) 898-2444

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Noteworthy Medicare Patient Procedures Performed by Dr. Sean Patrick Callahan, MD in 2024

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

Top 5%

By Affordability:

In 2024, Dr. Sean Patrick Callahan, MD had a list price for flu shot, flu vaccine, immunization (preventive vaccines), and vaccines that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Ohio. 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:

A1C test

lab tests

preventive care

By Affordability:

preventive care

In 2012, among providers in related specialties within Ohio, Dr. Sean Patrick Callahan, MD performed more A1C test, lab tests, and preventive care procedures for Medicare patients than 75% of them and he also had a list price for preventive care 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. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2012 were nursing home care, lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	39
doctor visit	578
lab tests	172
nursing home care	240
preventive care	68
vaccines	29

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2013 were nursing home care, lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	43
doctor visit	719
lab tests	180
nursing home care	235
preventive care	60
vaccines	17

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	109
Female	154

**Ethnicity**
Non-Hispanic White	250
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	79
85 and over	61
Less than 65	37

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2013

Hypertension	65
High Cholesterol	54
Stroke	11
Ischemic Heart Disease	43
Depression	26
Chronic Kidney Disease	25
Asthma	5
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	33
Chronic Obstructive Pulmonary Disease	22
Diabetes	38
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2014 were nursing home care, lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	48
doctor visit	784
lab tests	169
nursing home care	330
preventive care	70
vaccines	22

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	138
Female	169

**Ethnicity**
Non-Hispanic White	293
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	101
85 and over	72
Less than 65	46

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2014

Hypertension	67
High Cholesterol	55
Stroke	10
Ischemic Heart Disease	40
Depression	30
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	7
Atrial Fibrilation	15
Heart Failure	31
Chronic Obstructive Pulmonary Disease	23
Diabetes	30
Dementia	26
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2015 were nursing home care, lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	82
doctor visit	874
lab tests	195
nursing home care	197
preventive care	107
vaccines	25

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	248
Female	268

**Ethnicity**
Non-Hispanic White	488
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	158
85 and over	118
Less than 65	76

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2015

Hypertension	67
High Cholesterol	60
Stroke	9
Ischemic Heart Disease	40
Depression	25
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	5
Atrial Fibrilation	12
Heart Failure	24
Chronic Obstructive Pulmonary Disease	17
Diabetes	35
Dementia	22
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2016 were lab tests, nursing home care, preventive care and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	85
doctor visit	899
lab tests	200
nursing home care	196
preventive care	125
vaccines	29

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	142
Female	154

**Ethnicity**
Non-Hispanic White	284
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	81
85 and over	71
Less than 65	32

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2016

Hypertension	65
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	35
Depression	22
Chronic Kidney Disease	28
Asthma	18
Osteoperosis	4
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	19
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2017 were nursing home care, lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	97
doctor visit	927
lab tests	148
nursing home care	209
preventive care	132
vaccines	22

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	144
Female	166

**Ethnicity**
Non-Hispanic White	295
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	91
85 and over	73
Less than 65	32

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2017

Hypertension	65
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	30
Asthma	4
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	35
Dementia	21
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2018 were nursing home care, preventive care, lab tests and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	80
doctor visit	744
lab tests	105
nursing home care	242
preventive care	119
vaccines	39

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	157
Female	161

**Ethnicity**
Non-Hispanic White	303
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	112
From 75 to 84	99
85 and over	74
Less than 65	33

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2018

Hypertension	71
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	37
Depression	25
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	28
Chronic Obstructive Pulmonary Disease	28
Diabetes	33
Dementia	19
Cancer	9

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2019 were nursing home care, lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	96
doctor visit	819
lab tests	126
nursing home care	161
preventive care	119
vaccines	23

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	123
Female	143

**Ethnicity**
Non-Hispanic White	253
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	97
From 75 to 84	76
85 and over	66
Less than 65	27

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2019

Hypertension	73
High Cholesterol	62
Stroke	7
Ischemic Heart Disease	35
Depression	22
Chronic Kidney Disease	30
Asthma	5
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	23
Chronic Obstructive Pulmonary Disease	30
Diabetes	35
Dementia	20
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2020 were nursing home care, preventive care, lab tests and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	68
doctor visit	721
lab tests	105
nursing home care	166
preventive care	106
vaccines	38

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	115
Female	134

**Ethnicity**
Non-Hispanic White	232
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	70
85 and over	59
Less than 65	20

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2020

Hypertension	66
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	33
Depression	24
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	18
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2021 were nursing home care, lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	86
doctor visit	700
lab tests	114
nursing home care	124
preventive care	109
vaccines	23

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	115
Female	114

**Age**
From 65 to 74	91
From 75 to 84	70
85 and over	52
Less than 65	16

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2021

Hypertension	71
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	32
Depression	17
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	17
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2022 were nursing home care, lab tests, preventive care and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	69
doctor visit	732
lab tests	101
nursing home care	179
preventive care	83
vaccines	14

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	113
Female	123

**Ethnicity**
Non-Hispanic White	219
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	71
85 and over	59
Less than 65	17

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	22
Asthma	8
Osteoperosis	17
Atrial Fibrilation	26
Heart Failure	22
Chronic Obstructive Pulmonary Disease	29
Diabetes	30
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2023 were lab tests, preventive care, nursing home care and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	97
doctor visit	816
lab tests	120
nursing home care	110
preventive care	114
vaccines	17

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	113
Female	106

**Ethnicity**
Non-Hispanic White	204
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	92
From 75 to 84	69
85 and over	40
Less than 65	18

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	11
Atrial Fibrilation	22
Heart Failure	20
Chronic Obstructive Pulmonary Disease	30
Diabetes	32
Dementia	11
Cancer	19

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH during 2024 were nursing home care, preventive care, lab tests and diabetes management.

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

diabetes management	96
doctor visit	683
lab tests	113
nursing home care	232
preventive care	125
vaccines	29

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Male	137
Female	123

**Ethnicity**
Non-Hispanic White	246
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	90
From 75 to 84	99
85 and over	57
Less than 65	14

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	35
Depression	27
Chronic Kidney Disease	25
Asthma	7
Osteoperosis	10
Atrial Fibrilation	32
Heart Failure	32
Chronic Obstructive Pulmonary Disease	29
Diabetes	34
Dementia	14
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Sean Patrick Callahan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Sean Patrick Callahan, MD treated as a family medicine practitioner in Oak Harbor, OH were nursing home care, lab tests, preventive care and diabetes management.

diabetes management	75
doctor visit	768
lab tests	142
nursing home care	201
preventive care	102
vaccines	25

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Sean Patrick Callahan, MD.

**Gender**
Female	139
Male	127

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	235
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	81
85 and over	61
Less than 65	28
65 to 74	95

Average of Total of Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Sean Patrick Callahan, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	64
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	32
Depression	21
Chronic Kidney Disease	24
Asthma	5
Osteoporosis	8
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Atrial Fibrillation	15
Dementia	17
Cancer	10

Education & Training

He has a state license in Ohio.

Licensed In: Ohio

Affiliations & Hospitals

Dr. Sean Patrick Callahan, MD is associated with these hospitals and organizations:

Magruder Hospital

Ratings & Reviews

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$1,946 FARXIGA $787	SYMBICORT $270	BREZTRI $205	AIRSUPRA $167	BYDUREON WEEKLY $89	Other $428
Novo Nordisk Inc	$1,344 RYBELSUS $250	Ozempic $247	Victoza $224	Saxenda $177	Tresiba $140	Other $306
Pfizer Inc.	$1,084 LYRICA $303	ELIQUIS $174	COLOGUARD $147	CHANTIX $90	EUCRISA $73	Other $297
Boehringer Ingelheim Pharmaceuticals, Inc.	$1,063 JARDIANCE $724	SPIRIVA RESPIMAT $152	TRADJENTA $53	GLYXAMBI $47	STIOLTO $46	Other $42
Lilly USA, LLC	$1,018 JARDIANCE $341	BASAGLAR $177	TRULICITY $141	GLYXAMBI $81	ZEPBOUND $57	Other $223
Other	$9,077 XARELTO $465	TOUJEO $407	VRAYLAR $395	INVOKANA $361	ELIQUIS $360	Other $7,090

**Types of Payments**
Food and Beverage	$15,423
Education	$110

Biography

Dr. Sean Callahan's specialty is family medicine. He is affiliated with Magruder Hospital.

Select Year:

Dr. Sean Patrick Callahan, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Sean Patrick Callahan, MD in 2024

By Affordability:

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. Sean Patrick Callahan, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Sean Patrick Callahan, MD From 2012 - 2024

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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