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Home > OH Providers > Diagnostic Radiologists

Dr. Mark Alfonso, MD

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Specializes in: Diagnostic Radiology

Northeast Ohio Medical University (1986 - 1990)

Professional interests include: cardiac imaging, body imaging

3525 Olentangy River Road Suite 5360
Columbus, OH 43214

(614) 340-7747

Dr. Mark Alfonso, MD is a diagnostic radiologist in Columbus, OH specializing in diagnostic radiology. He graduated from Northeast Ohio Medical University in 1990 and has 36 years of experience. Dr. Mark Alfonso, MD is affiliated with Ohio Health, Magruder Hospital, Genesis Healthcare System and Southern Ohio Medical Center.

Office Locations

100 E. Campus View Boulevard Suite 100
Columbus, OH 43235

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1805 27th Street
Portsmouth, OH 45662

(740) 356-8117

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3525 Olentangy River Road Suite 5360
Columbus, OH 43214

(614) 340-7747

(614) 340-7742

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark Alfonso, MD in 2024

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

Top 5%

By Volume:

abdominal imaging

In 2024, Dr. Mark Alfonso, MD performed more abdominal imaging procedures for Medicare patients than 95% of providers in related specialties within Ohio.

Top 10%

By Volume:

chest CT scan

pelvic CT scan

In 2024, Dr. Mark Alfonso, MD performed more chest CT scan, and pelvic CT scan procedures for Medicare patients than 90% of providers in related specialties within Ohio.

Top 25%

By Volume:

CT scan

knee X-ray

neck ultrasound

tibia and fibula X-ray

ultrasound

X-rays

By Affordability:

brain imaging

In 2012, among providers in related specialties within Ohio, Dr. Mark Alfonso, MD performed more CT scan, knee X-ray, neck ultrasound, tibia and fibula (lower leg) X-ray, ultrasound (sonogram), and X-rays procedures for Medicare patients than 75% of them and he also had a list price for brain imaging (neuroimaging) 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. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2012 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

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

abdominal imaging	859
brain imaging (neuroimaging)	292
breast procedures	123
CT scan	1218
diagnostic imaging	12
hip imaging	118
musculoskeletal imaging	257
pelvic imaging	745
preventive care	99
spinal procedures	111
thoracic (chest) imaging	1355
ultrasound (sonogram)	126
vascular procedures	16
women's imaging	123
X-rays	1852

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2013 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

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

abdominal imaging	769
brain imaging (neuroimaging)	312
breast procedures	128
CT scan	1117
diagnostic imaging	13
hip imaging	188
musculoskeletal imaging	401
neck imaging	14
pelvic imaging	681
preventive care	99
spinal procedures	243
thoracic (chest) imaging	1858
ultrasound (sonogram)	177
vascular procedures	16
women's imaging	128
X-rays	2789

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1591
Female	2321

**Ethnicity**
Non-Hispanic White	3593
Black	203
Hispanic	37
Asian	0
Other	44
Native American	0

**Age**
From 65 to 74	1184
From 75 to 84	1157
85 and over	700
Less than 65	871

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

Hypertension	75
High Cholesterol	63
Stroke	12
Ischemic Heart Disease	55
Depression	37
Chronic Kidney Disease	39
Asthma	13
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	34
Diabetes	39
Dementia	18
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2014 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

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

abdominal imaging	908
brain imaging (neuroimaging)	329
breast procedures	119
CT scan	1296
diagnostic imaging	11
hip imaging	119
MRI (magnetic resonance imaging)	35
musculoskeletal imaging	414
neck imaging	25
pelvic imaging	843
preventive care	108
spinal procedures	250
thoracic (chest) imaging	1655
ultrasound (sonogram)	153
vascular procedures	12
women's imaging	130
X-rays	2577

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1629
Female	2272

**Ethnicity**
Non-Hispanic White	3610
Black	184
Hispanic	0
Asian	33
Other	42
Native American	0

**Age**
From 65 to 74	1322
From 75 to 84	1090
85 and over	687
Less than 65	802

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

Hypertension	75
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	52
Depression	37
Chronic Kidney Disease	41
Asthma	11
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	36
Chronic Obstructive Pulmonary Disease	32
Diabetes	38
Dementia	18
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2015 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

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

abdominal imaging	1017
brain imaging (neuroimaging)	326
breast procedures	217
CT scan	1439
diagnostic imaging	21
gastrointestinal procedures	13
hip imaging	115
MRI (magnetic resonance imaging)	15
musculoskeletal imaging	416
neck imaging	22
pelvic imaging	915
preventive care	152
spinal procedures	290
thoracic (chest) imaging	1780
ultrasound (sonogram)	191
vascular procedures	12
women's imaging	217
X-rays	2735

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	3354
Female	4848

**Ethnicity**
Non-Hispanic White	7658
Black	298
Hispanic	70
Asian	58
Other	118
Native American	0

**Age**
From 65 to 74	2842
From 75 to 84	2258
85 and over	1394
Less than 65	1708

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

Hypertension	75
High Cholesterol	61
Stroke	11
Ischemic Heart Disease	53
Depression	37
Chronic Kidney Disease	43
Asthma	23
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	34
Diabetes	40
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2016 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

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

abdominal imaging	1001
aspiration	46
brain imaging (neuroimaging)	279
breast procedures	266
CT scan	1368
diagnostic imaging	34
diagnostic procedures	34
gastrointestinal procedures	12
image guided procedures	19
minimally invasive procedures	34
minor procedures	34
MRI (magnetic resonance imaging)	29
musculoskeletal imaging	401
neck imaging	50
pelvic imaging	861
preventive care	194
spinal procedures	304
thoracic (chest) imaging	1919
ultrasound (sonogram)	241
women's imaging	278
X-rays	2788

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1750
Female	2646

**Ethnicity**
Non-Hispanic White	4076
Black	172
Hispanic	0
Asian	46
Other	68
Native American	0

**Age**
From 65 to 74	1634
From 75 to 84	1251
85 and over	698
Less than 65	813

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

Hypertension	75
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	51
Depression	36
Chronic Kidney Disease	45
Asthma	32
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	33
Chronic Obstructive Pulmonary Disease	31
Diabetes	39
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2017 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

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

abdominal imaging	776
aspiration	33
brain imaging (neuroimaging)	250
breast procedures	250
CT scan	1155
diagnostic imaging	26
diagnostic procedures	12
image guided procedures	12
minimally invasive procedures	12
minor procedures	12
musculoskeletal imaging	279
neck imaging	23
pelvic imaging	695
preventive care	180
spinal procedures	221
thoracic (chest) imaging	1540
ultrasound (sonogram)	179
vascular procedures	11
women's imaging	250
X-rays	2194

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1532
Female	2089

**Ethnicity**
Non-Hispanic White	3391
Black	125
Hispanic	0
Asian	31
Other	53
Native American	0

**Age**
From 65 to 74	1368
From 75 to 84	1009
85 and over	629
Less than 65	615

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

Hypertension	75
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	51
Depression	36
Chronic Kidney Disease	47
Asthma	10
Osteoperosis	11
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	31
Diabetes	39
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2018 were CT scan, X-rays, abdominal imaging and pelvic imaging.

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

abdominal imaging	846
brain imaging (neuroimaging)	238
breast procedures	396
CT scan	1173
diagnostic imaging	44
MRI (magnetic resonance imaging)	31
musculoskeletal imaging	316
neck imaging	53
pelvic imaging	733
preventive care	272
spinal procedures	215
thoracic (chest) imaging	234
ultrasound (sonogram)	311
vascular procedures	19
women's imaging	410
X-rays	996

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1601
Female	2521

**Ethnicity**
Non-Hispanic White	3865
Black	127
Hispanic	0
Asian	29
Other	76
Native American	0

**Age**
From 65 to 74	1602
From 75 to 84	1179
85 and over	648
Less than 65	693

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

Hypertension	75
High Cholesterol	65
Stroke	9
Ischemic Heart Disease	49
Depression	36
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	12
Atrial Fibrilation	20
Heart Failure	35
Chronic Obstructive Pulmonary Disease	32
Diabetes	39
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2019 were CT scan, X-rays, abdominal imaging and pelvic imaging.

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

abdominal imaging	712
brain imaging (neuroimaging)	163
breast procedures	261
CT scan	997
diagnostic imaging	27
gastrointestinal procedures	12
MRI (magnetic resonance imaging)	30
musculoskeletal imaging	255
neck imaging	48
pelvic imaging	543
preventive care	201
spinal procedures	256
thoracic (chest) imaging	316
ultrasound (sonogram)	297
vascular procedures	12
women's imaging	275
X-rays	825

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1583
Female	2168

**Ethnicity**
Non-Hispanic White	3502
Black	116
Hispanic	36
Asian	0
Other	72
Native American	0

**Age**
From 65 to 74	1544
From 75 to 84	1131
85 and over	533
Less than 65	543

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

Hypertension	75
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	47
Depression	34
Chronic Kidney Disease	47
Asthma	9
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	30
Chronic Obstructive Pulmonary Disease	29
Diabetes	39
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2020 were CT scan, X-rays, abdominal imaging and pelvic imaging.

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

abdominal imaging	617
brain imaging (neuroimaging)	147
breast procedures	374
CT scan	966
diagnostic imaging	39
musculoskeletal imaging	205
neck imaging	57
pelvic imaging	531
preventive care	285
spinal procedures	197
thoracic (chest) imaging	286
ultrasound (sonogram)	253
vascular procedures	11
women's imaging	385
X-rays	766

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1339
Female	1949

**Ethnicity**
Non-Hispanic White	3056
Black	100
Hispanic	0
Asian	31
Other	75
Native American	0

**Age**
From 65 to 74	1404
From 75 to 84	930
85 and over	496
Less than 65	458

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

Hypertension	75
High Cholesterol	65
Stroke	9
Ischemic Heart Disease	48
Depression	35
Chronic Kidney Disease	49
Asthma	9
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	31
Chronic Obstructive Pulmonary Disease	27
Diabetes	37
Dementia	19
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2021 were CT scan, X-rays, abdominal imaging and pelvic imaging.

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

abdominal imaging	687
aspiration	23
brain imaging (neuroimaging)	204
breast procedures	313
CT scan	1192
diagnostic imaging	21
MRI (magnetic resonance imaging)	22
musculoskeletal imaging	212
neck imaging	73
pelvic imaging	579
preventive care	226
spinal procedures	259
thoracic (chest) imaging	353
ultrasound (sonogram)	266
vascular procedures	12
women's imaging	324
X-rays	732

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1512
Female	2104

**Ethnicity**
Non-Hispanic White	3384
Black	84
Hispanic	32
Asian	30
Other	86
Native American	0

**Age**
From 65 to 74	1537
From 75 to 84	1124
85 and over	511
Less than 65	444

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

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	49
Depression	35
Chronic Kidney Disease	49
Asthma	9
Osteoperosis	13
Atrial Fibrilation	20
Heart Failure	31
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	17
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2022 were CT scan, abdominal imaging, X-rays and pelvic imaging.

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

abdominal imaging	833
aspiration	42
brain imaging (neuroimaging)	160
breast procedures	97
CT scan	1333
MRI (magnetic resonance imaging)	53
musculoskeletal imaging	199
neck imaging	131
pelvic imaging	654
pleural drainage	13
preventive care	97
spinal procedures	338
thoracic (chest) imaging	511
ultrasound (sonogram)	323
vascular procedures	12
women's imaging	97
X-rays	693

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1846
Female	2383

**Ethnicity**
Non-Hispanic White	3919
Black	115
Hispanic	0
Asian	35
Other	126
Native American	0

**Age**
From 65 to 74	1734
From 75 to 84	1389
85 and over	628
Less than 65	478

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

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	43
Depression	35
Chronic Kidney Disease	35
Asthma	11
Osteoperosis	18
Atrial Fibrilation	30
Heart Failure	31
Chronic Obstructive Pulmonary Disease	31
Diabetes	38
Dementia	14
Cancer	22

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2023 were CT scan, abdominal imaging, X-rays and pelvic imaging.

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

abdominal imaging	859
aspiration	19
brain imaging (neuroimaging)	131
breast procedures	340
CT scan	1224
diagnostic imaging	20
gastrointestinal procedures	13
MRI (magnetic resonance imaging)	61
musculoskeletal imaging	202
neck imaging	67
pelvic imaging	631
preventive care	268
spinal procedures	222
thoracic (chest) imaging	460
ultrasound (sonogram)	357
vascular procedures	23
women's imaging	340
X-rays	787

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1565
Female	2158

**Ethnicity**
Non-Hispanic White	3448
Black	103
Hispanic	0
Asian	29
Other	123
Native American	0

**Age**
From 65 to 74	1546
From 75 to 84	1274
85 and over	556
Less than 65	347

Conditions of Medicare patients treated by Dr. Mark Alfonso, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	40
Depression	32
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	18
Atrial Fibrilation	28
Heart Failure	29
Chronic Obstructive Pulmonary Disease	29
Diabetes	37
Dementia	12
Cancer	22

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH during 2024 were CT scan, abdominal imaging, X-rays and pelvic imaging.

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

abdominal imaging	918
aspiration	16
brain imaging (neuroimaging)	147
breast procedures	413
CT scan	1264
diagnostic imaging	25
MRI (magnetic resonance imaging)	69
musculoskeletal imaging	218
neck imaging	70
pelvic imaging	625
preventive care	332
spinal procedures	261
thoracic (chest) imaging	467
ultrasound (sonogram)	428
vascular procedures	66
women's imaging	413
X-rays	917

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1788
Female	2359

**Ethnicity**
Non-Hispanic White	3750
Black	143
Hispanic	0
Asian	60
Other	134
Native American	0

**Age**
From 65 to 74	1752
From 75 to 84	1481
85 and over	587
Less than 65	327

Conditions of Medicare patients treated by Dr. Mark Alfonso, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	41
Depression	30
Chronic Kidney Disease	34
Asthma	12
Osteoperosis	17
Atrial Fibrilation	30
Heart Failure	29
Chronic Obstructive Pulmonary Disease	28
Diabetes	38
Dementia	11
Cancer	22

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

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

The highest averages for the top procedures that Dr. Mark Alfonso, MD treated as a diagnostic radiologist in Columbus, OH were X-rays, CT scan, thoracic (chest) imaging and abdominal imaging.

abdominal imaging	830
aspiration	29
brain imaging (neuroimaging)	229
breast procedures	253
CT scan	1210
diagnostic imaging	24
diagnostic procedures	23
gastrointestinal procedures	12
hip imaging	135
image guided procedures	15
minimally invasive procedures	23
minor procedures	23
MRI (magnetic resonance imaging)	38
musculoskeletal imaging	290
neck imaging	52
pelvic imaging	695
pleural drainage	13
preventive care	193
spinal procedures	243
thoracic (chest) imaging	979
ultrasound (sonogram)	254
vascular procedures	18
women's imaging	259
X-rays	1588

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Mark Alfonso, MD.

**Gender**
Male	1622
Female	2293

**Ethnicity**
Black / African American	136
Asian / Pacific Islander	29
Non-Hispanic White	3634
Hispanic	13
Native American / Alaskan Native	0
Other	78

**Age**
75 to 84	1174
85 and over	620
Less than 65	623
65 to 74	1497

Average of Total of Conditions of Medicare patients treated by Dr. Mark Alfonso, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	44
Depression	32
Chronic Kidney Disease	39
Asthma	12
Osteoporosis	12
Heart Failure	30
Chronic Obstructive Pulmonary Disease	27
Diabetes	35
Atrial Fibrillation	20
Cancer	15
Dementia	15

Education & Training

Dr. Mark Alfonso, MD graduated from Northeast Ohio Medical University in 1990. He completed residency at Creighton University Affiliated Hospitals. He is certified by the American Board of Radiology and has a state license in Ohio.

Medical School: Northeast Ohio Medical University (1990)

Residency: Creighton University Affiliated Hospitals (1995)

Board Certification: American Board of Radiology

Licensed In: Ohio

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General Payments

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

**Payments by Company**
GE Healthcare	$55 $55
Boston Scientific Corporation	$51 GENERAL - PAIN MANAGEMENT $13	$38
Pharmacyclics, Inc	$11 IMBRUVICA $11

**Types of Payments**
Food and Beverage	$117

Biography

Dr. Mark Alfonso specializes in diagnostic radiology and practices in Columbus, OH and Portsmouth, OH. Clinical interests for Dr. Alfonso include body imaging and cardiac imaging. He obtained his medical school training at Northeast Ohio Medical University and performed his residency at a hospital affiliated with Creighton University. Dr. Alfonso is affiliated with Dublin Methodist Hospital, Doctors Hospital, and Riverside Methodist Hospital.