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Home > OH Providers > Diagnostic Radiologists

Dr. Alfred W. Sem, MD

(Dr. Alfred Sem, M.D.)

(No ratings)

Specializes in: Diagnostic Radiology

University of Toronto Faculty of Medicine (1989)

1805 27th Street
Portsmouth, OH 45662

(740) 356-8117

Dr. Alfred W. Sem, MD is a diagnostic radiologist in Dayton, OH specializing in diagnostic radiology. He graduated from University of Toronto Faculty of Medicine in 1989 and has 37 years of experience. Dr. Alfred W. Sem, MD is affiliated with Southern Ohio Medical Center.

Office Locations

1 Wyoming Street
Dayton, OH 45409

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1805 27th Street
Portsmouth, OH 45662

(740) 356-8117

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2012 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	840
aspiration	19
brain imaging (neuroimaging)	684
cardiac procedures	28
CT scan	1448
diagnostic imaging	12
dialysis access procedures	21
gastrointestinal procedures	40
hip imaging	129
injections	19
MRI (magnetic resonance imaging)	175
musculoskeletal imaging	328
nuclear scan	79
pelvic imaging	636
spinal procedures	218
stress testing	28
thoracic (chest) imaging	2810
ultrasound (sonogram)	568
vascular procedures	446
X-rays	3243

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2013 were X-rays, thoracic (chest) imaging, CT scan and ultrasound (sonogram).

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	897
brain imaging (neuroimaging)	574
breast procedures	120
cardiac procedures	46
CT scan	1326
diagnostic imaging	13
dialysis access procedures	76
gastrointestinal procedures	45
hip imaging	151
MRI (magnetic resonance imaging)	100
musculoskeletal imaging	351
neck imaging	19
nuclear scan	93
pelvic imaging	663
preventive care	105
spinal procedures	221
stress testing	46
thoracic (chest) imaging	2734
ultrasound (sonogram)	957
vascular procedures	736
women's imaging	131
X-rays	3355

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	1899
Female	2555

**Ethnicity**
Non-Hispanic White	3929
Black	327
Hispanic	132
Asian	0
Other	38
Native American	0

**Age**
From 65 to 74	1215
From 75 to 84	1556
85 and over	1197
Less than 65	486

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2013

Hypertension	75
High Cholesterol	73
Stroke	12
Ischemic Heart Disease	64
Depression	32
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	15
Atrial Fibrilation	25
Heart Failure	38
Chronic Obstructive Pulmonary Disease	28
Diabetes	42
Dementia	25
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

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

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	467
brain imaging (neuroimaging)	356
cardiac procedures	16
CT scan	834
dialysis access procedures	31
gastrointestinal procedures	11
hip imaging	78
MRI (magnetic resonance imaging)	80
musculoskeletal imaging	161
nuclear scan	16
pelvic imaging	386
spinal procedures	124
stress testing	16
thoracic (chest) imaging	1418
ultrasound (sonogram)	321
vascular procedures	282
X-rays	1631

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	969
Female	1267

**Ethnicity**
Non-Hispanic White	1997
Black	125
Hispanic	72
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	557
From 75 to 84	811
85 and over	690
Less than 65	178

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	68
Depression	34
Chronic Kidney Disease	47
Asthma	12
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	39
Chronic Obstructive Pulmonary Disease	28
Diabetes	42
Dementia	28
Cancer	21

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2015 were X-rays, thoracic (chest) imaging, CT scan and breast procedures.

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	39
brain imaging (neuroimaging)	33
breast procedures	47
CT scan	74
pelvic imaging	28
preventive care	47
thoracic (chest) imaging	190
ultrasound (sonogram)	29
vascular procedures	18
women's imaging	47
X-rays	224

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	296
Female	584

**Ethnicity**
Non-Hispanic White	736
Black	122
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	264
85 and over	154
Less than 65	164

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2015

Hypertension	75
High Cholesterol	65
Stroke	12
Ischemic Heart Disease	54
Depression	34
Chronic Kidney Disease	38
Asthma	30
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	36
Chronic Obstructive Pulmonary Disease	45
Diabetes	43
Dementia	22
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2016 were X-rays, thoracic (chest) imaging, CT scan and ultrasound (sonogram).

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	185
brain imaging (neuroimaging)	134
breast procedures	162
CT scan	271
diagnostic imaging	19
musculoskeletal imaging	50
neck imaging	11
pelvic imaging	78
preventive care	105
spinal procedures	51
thoracic (chest) imaging	515
ultrasound (sonogram)	249
vascular procedures	111
women's imaging	162
X-rays	710

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	376
Female	783

**Ethnicity**
Non-Hispanic White	958
Black	164
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	401
From 75 to 84	356
85 and over	166
Less than 65	236

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2016

Hypertension	75
High Cholesterol	66
Stroke	12
Ischemic Heart Disease	51
Depression	32
Chronic Kidney Disease	43
Asthma	40
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	37
Chronic Obstructive Pulmonary Disease	38
Diabetes	41
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2017 were X-rays, women's imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	237
brain imaging (neuroimaging)	78
breast procedures	801
CT scan	212
diagnostic imaging	103
lab tests	25
MRI (magnetic resonance imaging)	15
musculoskeletal imaging	311
neck imaging	21
pelvic imaging	133
preventive care	576
spinal procedures	11
thoracic (chest) imaging	469
ultrasound (sonogram)	417
vascular procedures	138
women's imaging	801
X-rays	1449

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	667
Female	1575

**Ethnicity**
Non-Hispanic White	2015
Black	73
Hispanic	104
Asian	11
Other	39
Native American	0

**Age**
From 65 to 74	1057
From 75 to 84	783
85 and over	259
Less than 65	143

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2017

Hypertension	68
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	40
Depression	22
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	16
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2018 were CT scan, X-rays, abdominal imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	808
brain imaging (neuroimaging)	610
breast procedures	261
catheterization	17
CT scan	1585
diagnostic imaging	16
hip imaging	28
MRI (magnetic resonance imaging)	176
musculoskeletal imaging	610
neck imaging	73
nuclear scan	15
pelvic imaging	600
preventive care	203
spinal procedures	348
thoracic (chest) imaging	325
ultrasound (sonogram)	744
vascular procedures	302
women's imaging	272
X-rays	1028

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	1712
Female	2763

**Ethnicity**
Non-Hispanic White	4034
Black	227
Hispanic	109
Asian	0
Other	79
Native American	0

**Age**
From 65 to 74	1533
From 75 to 84	1355
85 and over	772
Less than 65	815

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2018

Hypertension	75
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	42
Depression	29
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	28
Chronic Obstructive Pulmonary Disease	30
Diabetes	36
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2019 were CT scan, brain imaging (neuroimaging), abdominal imaging and pelvic imaging.

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	1010
brain imaging (neuroimaging)	1056
breast procedures	189
CT scan	2571
diagnostic imaging	24
gastrointestinal procedures	11
hip imaging	58
MRI (magnetic resonance imaging)	315
musculoskeletal imaging	457
neck imaging	48
nuclear scan	24
pelvic imaging	827
preventive care	130
spinal procedures	606
thoracic (chest) imaging	429
ultrasound (sonogram)	692
vascular procedures	401
women's imaging	201
X-rays	754

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	2216
Female	3076

**Ethnicity**
Non-Hispanic White	4870
Black	249
Hispanic	89
Asian	0
Other	51
Native American	0

**Age**
From 65 to 74	1798
From 75 to 84	1554
85 and over	885
Less than 65	1055

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	10
Ischemic Heart Disease	53
Depression	38
Chronic Kidney Disease	47
Asthma	11
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	37
Chronic Obstructive Pulmonary Disease	35
Diabetes	41
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2020 were CT scan, brain imaging (neuroimaging), abdominal imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	675
brain imaging (neuroimaging)	686
breast procedures	147
CT scan	1608
diagnostic imaging	14
hip imaging	25
MRI (magnetic resonance imaging)	186
musculoskeletal imaging	253
neck imaging	18
pelvic imaging	529
preventive care	95
spinal procedures	310
thoracic (chest) imaging	261
ultrasound (sonogram)	569
vascular procedures	302
women's imaging	158
X-rays	381

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	1547
Female	1937

**Ethnicity**
Non-Hispanic White	3189
Black	151
Hispanic	84
Asian	0
Other	45
Native American	0

**Age**
From 65 to 74	1189
From 75 to 84	1079
85 and over	592
Less than 65	624

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2020

Hypertension	75
High Cholesterol	74
Stroke	11
Ischemic Heart Disease	61
Depression	40
Chronic Kidney Disease	55
Asthma	10
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	42
Chronic Obstructive Pulmonary Disease	37
Diabetes	44
Dementia	24
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2021 were CT scan, abdominal imaging, brain imaging (neuroimaging) and pelvic imaging.

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	877
brain imaging (neuroimaging)	810
breast procedures	398
CT scan	1919
diagnostic imaging	53
hip imaging	18
MRI (magnetic resonance imaging)	170
musculoskeletal imaging	235
neck imaging	14
pelvic imaging	706
preventive care	255
spinal procedures	350
thoracic (chest) imaging	208
ultrasound (sonogram)	647
vascular procedures	349
women's imaging	411
X-rays	562

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	1704
Female	2170

**Ethnicity**
Non-Hispanic White	3624
Black	129
Hispanic	58
Asian	0
Other	51
Native American	0

**Age**
From 65 to 74	1404
From 75 to 84	1248
85 and over	573
Less than 65	649

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2021

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	59
Depression	36
Chronic Kidney Disease	52
Asthma	10
Osteoperosis	13
Atrial Fibrilation	19
Heart Failure	39
Chronic Obstructive Pulmonary Disease	36
Diabetes	42
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2022 were CT scan, brain imaging (neuroimaging), abdominal imaging and pelvic imaging.

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	907
brain imaging (neuroimaging)	929
breast procedures	439
CT scan	2044
diagnostic imaging	29
MRI (magnetic resonance imaging)	135
musculoskeletal imaging	265
neck imaging	16
pelvic imaging	739
preventive care	304
spinal procedures	325
thoracic (chest) imaging	193
ultrasound (sonogram)	680
vascular procedures	371
women's imaging	453
X-rays	641

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	1372
Female	2133

**Ethnicity**
Non-Hispanic White	3263
Black	100
Hispanic	58
Asian	0
Other	63
Native American	0

**Age**
From 65 to 74	1271
From 75 to 84	1193
85 and over	572
Less than 65	469

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	43
Depression	35
Chronic Kidney Disease	34
Asthma	12
Osteoperosis	19
Atrial Fibrilation	27
Heart Failure	30
Chronic Obstructive Pulmonary Disease	37
Diabetes	41
Dementia	16
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2023 were X-rays, CT scan, women's imaging and breast procedures.

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	218
brain imaging (neuroimaging)	197
breast procedures	380
CT scan	477
diagnostic imaging	24
MRI (magnetic resonance imaging)	43
musculoskeletal imaging	154
pelvic imaging	188
preventive care	260
spinal procedures	128
thoracic (chest) imaging	49
ultrasound (sonogram)	271
vascular procedures	145
women's imaging	380
X-rays	492

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	569
Female	1059

**Ethnicity**
Non-Hispanic White	1481
Black	76
Hispanic	33
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	595
From 75 to 84	616
85 and over	270
Less than 65	147

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	21
Ischemic Heart Disease	44
Depression	35
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	21
Atrial Fibrilation	28
Heart Failure	31
Chronic Obstructive Pulmonary Disease	36
Diabetes	39
Dementia	17
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Alfred W. Sem, MD treated as a diagnostic radiologist in Dayton, OH during 2024 were CT scan, X-rays, women's imaging and breast procedures.

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

abdominal imaging	88
brain imaging (neuroimaging)	149
breast procedures	305
CT scan	423
musculoskeletal imaging	122
pelvic imaging	99
preventive care	227
spinal procedures	154
thoracic (chest) imaging	34
ultrasound (sonogram)	116
vascular procedures	38
women's imaging	305
X-rays	390

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Male	298
Female	670

**Ethnicity**
Non-Hispanic White	858
Black	45
Hispanic	0
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	358
From 75 to 84	362
85 and over	177
Less than 65	71

Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	45
Depression	35
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	24
Atrial Fibrilation	29
Heart Failure	30
Chronic Obstructive Pulmonary Disease	35
Diabetes	40
Dementia	14
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Alfred W. Sem, MD for Medicare patients.

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

abdominal imaging	557
aspiration	19
brain imaging (neuroimaging)	484
breast procedures	295
cardiac procedures	30
catheterization	17
CT scan	1137
diagnostic imaging	30
dialysis access procedures	42
gastrointestinal procedures	26
hip imaging	69
injections	19
lab tests	25
MRI (magnetic resonance imaging)	139
musculoskeletal imaging	274
neck imaging	27
nuclear scan	45
pelvic imaging	431
preventive care	209
spinal procedures	237
stress testing	30
thoracic (chest) imaging	741
ultrasound (sonogram)	481
vascular procedures	279
women's imaging	301
X-rays	1143

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Alfred W. Sem, MD.

**Gender**
Female	1582
Male	1048

**Ethnicity**
Black / African American	137
Asian / Pacific Islander	0
Non-Hispanic White	2381
Native American / Alaskan Native	0
Hispanic	56
Other	34

**Age**
85 and over	485
75 to 84	859
Less than 65	387
65 to 74	898

Average of Total of Conditions of Medicare patients treated by Dr. Alfred W. Sem, MD From 2012 - 2024

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

Hypertension	68
High Cholesterol	65
Stroke	11
Ischemic Heart Disease	48
Depression	30
Chronic Kidney Disease	38
Asthma	13
Osteoporosis	14
Heart Failure	31
Chronic Obstructive Pulmonary Disease	31
Diabetes	36
Atrial Fibrillation	19
Cancer	14
Dementia	18

Education & Training

Dr. Alfred W. Sem, MD graduated from University of Toronto Faculty of Medicine in 1989. He completed residency at University of Toronto Affiliated Hospitals. He is certified by the American Board of Radiology and has a state license in Florida.

Medical School: University of Toronto Faculty of Medicine (1989)

Residency: University of Toronto Affiliated Hospitals (1992)

Board Certification: American Board of Radiology

Licensed In: Florida

Ratings & Reviews

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General Payments

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

**Payments by Company**
Astellas Pharma US Inc	$16 Lexiscan $16

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

Biography

Dr. Alfred Sem's area of specialization is diagnostic radiology. Dr. Sem is affiliated with Southern Ohio Medical Center. He attended the University of Toronto Faculty of Medicine for medical school and subsequently trained at Nassau University Medical Center and a hospital affiliated with the University of Toronto for residency.