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Home > PA Providers > Diagnostic Radiologists

Dr. William C. Mason, MD

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Specializes in: Diagnostic Radiology

Rush Medical College (1979)

100 Fairfield Drive
Seneca, PA 16346

(814) 676-7130

Dr. William C. Mason, MD is a diagnostic radiologist in Seneca, PA specializing in diagnostic radiology. He graduated from Rush Medical College in 1979 and has 47 years of experience. Dr. William C. Mason, MD is affiliated with REGIONAL HEALTH SERVICES INC.

Office Locations

100 Fairfield Drive
Seneca, PA 16346

(814) 676-7130

(814) 676-7950

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Noteworthy Medicare Patient Procedures Performed by Dr. William C. Mason, MD in 2023

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

Top 5%

By Affordability:

2-D diagnostic mammogram

targeted breast ultrasound

women's imaging

In 2023, Dr. William C. Mason, MD had a list price for 2-D diagnostic mammogram, 2-D mammogram, breast imaging, breast ultrasound, diagnostic imaging, diagnostic mammogram, mammogram (breast X-ray), targeted breast ultrasound, and women's imaging that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Pennsylvania. 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 10%

By Affordability:

screening mammogram

In 2023, Dr. William C. Mason, MD had a list price for screening mammogram that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Pennsylvania. 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. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2012 were CT scan, thoracic (chest) imaging, X-rays and spinal procedures.

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

abdominal imaging	13
brain imaging (neuroimaging)	14
CT scan	148
musculoskeletal imaging	16
pelvic imaging	40
spinal procedures	60
thoracic (chest) imaging	119
X-rays	101

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2013 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

abdominal imaging	81
brain imaging (neuroimaging)	67
breast procedures	66
CT scan	153
diagnostic imaging	12
hip imaging	15
musculoskeletal imaging	33
neck imaging	11
pelvic imaging	68
preventive care	54
spinal procedures	42
thoracic (chest) imaging	353
ultrasound (sonogram)	52
vascular procedures	26
women's imaging	66
X-rays	493

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Gender**
Male	206
Female	371

**Age**
From 65 to 74	192
From 75 to 84	177
85 and over	120
Less than 65	88

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2013

Hypertension	73
High Cholesterol	46
Stroke	7
Ischemic Heart Disease	49
Depression	21
Chronic Kidney Disease	20
Asthma	9
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	30
Chronic Obstructive Pulmonary Disease	27
Diabetes	36
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2014 were X-rays and thoracic (chest) imaging.

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

thoracic (chest) imaging	39
X-rays	39

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Gender**
Male	26
Female	47

**Ethnicity**
Non-Hispanic White	73
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	23
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2014

Hypertension	71
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	56
Depression	23
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	30
Chronic Obstructive Pulmonary Disease	30
Diabetes	40
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2015 were X-rays, thoracic (chest) imaging, CT scan and spinal procedures.

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

CT scan	33
pelvic imaging	16
spinal procedures	17
thoracic (chest) imaging	43
X-rays	43

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Gender**
Male	118
Female	142

**Ethnicity**
Non-Hispanic White	230
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	74
85 and over	0
Less than 65	100

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2015

Hypertension	72
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	55
Depression	35
Chronic Kidney Disease	27
Asthma	22
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	25
Chronic Obstructive Pulmonary Disease	35
Diabetes	35
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2016 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

brain imaging (neuroimaging)	11
CT scan	11
thoracic (chest) imaging	84
X-rays	84

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Gender**
Male	88
Female	114

**Ethnicity**
Non-Hispanic White	188
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	88
From 75 to 84	50
85 and over	28
Less than 65	36

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2016

Hypertension	72
High Cholesterol	64
Stroke	10
Ischemic Heart Disease	44
Depression	35
Chronic Kidney Disease	45
Asthma	34
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	31
Diabetes	33
Dementia	17
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2017 were X-rays, thoracic (chest) imaging, CT scan and women's imaging.

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

abdominal imaging	182
brain imaging (neuroimaging)	54
breast procedures	247
cardiac procedures	12
CT scan	385
diagnostic imaging	63
gastrointestinal procedures	23
musculoskeletal imaging	109
neck imaging	13
nuclear scan	12
pelvic imaging	155
preventive care	150
spinal procedures	82
stress testing	12
thoracic (chest) imaging	1188
ultrasound (sonogram)	93
women's imaging	247
X-rays	1507

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Gender**
Male	887
Female	1383

**Ethnicity**
Non-Hispanic White	2176
Black	43
Hispanic	21
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	927
From 75 to 84	631
85 and over	281
Less than 65	431

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2017

Hypertension	75
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	56
Depression	29
Chronic Kidney Disease	43
Asthma	7
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	32
Chronic Obstructive Pulmonary Disease	39
Diabetes	42
Dementia	16
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2018 were CT scan, X-rays, thoracic (chest) imaging and women's imaging.

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

abdominal imaging	160
brain imaging (neuroimaging)	40
breast procedures	228
cardiac procedures	14
CT scan	443
diagnostic imaging	40
gastrointestinal procedures	16
musculoskeletal imaging	31
nuclear scan	14
pelvic imaging	166
preventive care	168
spinal procedures	95
stress testing	14
thoracic (chest) imaging	243
ultrasound (sonogram)	20
women's imaging	228
X-rays	395

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Gender**
Male	742
Female	1176

**Ethnicity**
Non-Hispanic White	1846
Black	43
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	750
From 75 to 84	568
85 and over	244
Less than 65	356

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2018

Hypertension	75
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	58
Depression	32
Chronic Kidney Disease	45
Asthma	8
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	35
Chronic Obstructive Pulmonary Disease	41
Diabetes	42
Dementia	18
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2019 were X-rays, breast procedures, women's imaging and preventive care.

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

breast procedures	234
CT scan	70
diagnostic imaging	35
musculoskeletal imaging	32
preventive care	177
spinal procedures	11
thoracic (chest) imaging	70
ultrasound (sonogram)	22
women's imaging	234
X-rays	255

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Gender**
Male	237
Female	524

**Ethnicity**
Non-Hispanic White	699
Black	45
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	311
From 75 to 84	239
85 and over	78
Less than 65	133

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2019

Hypertension	75
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	52
Depression	31
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	30
Chronic Obstructive Pulmonary Disease	36
Diabetes	41
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2020 were breast procedures, X-rays, preventive care and women's imaging.

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

breast procedures	47
preventive care	47
women's imaging	47
X-rays	47

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Gender**
Male	22
Female	87

**Age**
From 65 to 74	58
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2020

Hypertension	68
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	23
Chronic Obstructive Pulmonary Disease	23
Diabetes	33
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2021 were breast procedures, women's imaging, X-rays and preventive care.

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

breast procedures	408
diagnostic imaging	99
preventive care	251
ultrasound (sonogram)	58
women's imaging	408
X-rays	350

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Ethnicity**
Non-Hispanic White	345
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	89
85 and over	23
Less than 65	23

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2021

Hypertension	57
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	20
Depression	23
Chronic Kidney Disease	17
Asthma	4
Osteoperosis	17
Atrial Fibrilation	6
Heart Failure	6
Chronic Obstructive Pulmonary Disease	9
Diabetes	21
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA during 2022 were breast procedures, women's imaging, X-rays and preventive care.

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

breast procedures	675
diagnostic imaging	125
preventive care	475
ultrasound (sonogram)	75
women's imaging	675
X-rays	600

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Ethnicity**
Non-Hispanic White	594
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	188
85 and over	28
Less than 65	48

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2022

Hypertension	70
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	14
Depression	20
Chronic Kidney Disease	16
Asthma	11
Osteoperosis	20
Atrial Fibrilation	11
Heart Failure	7
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	2
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. William C. Mason, MD for Medicare patients.

The highest averages for the top procedures that Dr. William C. Mason, MD treated as a diagnostic radiologist in Seneca, PA were X-rays, women's imaging, breast procedures and thoracic (chest) imaging.

abdominal imaging	109
brain imaging (neuroimaging)	37
breast procedures	272
cardiac procedures	13
CT scan	177
diagnostic imaging	62
gastrointestinal procedures	19
hip imaging	15
musculoskeletal imaging	44
neck imaging	12
nuclear scan	13
pelvic imaging	89
preventive care	188
spinal procedures	51
stress testing	13
thoracic (chest) imaging	267
ultrasound (sonogram)	53
vascular procedures	26
women's imaging	272
X-rays	355

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. William C. Mason, MD.

**Gender**
Male	211
Female	349

**Ethnicity**
Black / African American	11
Asian / Pacific Islander	0
Non-Hispanic White	559
Native American / Alaskan Native	0
Hispanic	1
Other	3

**Age**
75 to 84	188
85 and over	72
Less than 65	110
65 to 74	266

Average of Total of Conditions of Medicare patients treated by Dr. William C. Mason, MD From 2012 - 2022

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

Hypertension	64
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	40
Depression	25
Chronic Kidney Disease	28
Asthma	10
Osteoporosis	9
Heart Failure	22
Chronic Obstructive Pulmonary Disease	25
Diabetes	31
Atrial Fibrillation	9
Dementia	8
Cancer	13

Education & Training

Dr. William C. Mason, MD graduated from Rush Medical College in 1979. He has a state license in Pennsylvania.

Medical School: Rush Medical College (1979)

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. William C. Mason, MD is associated with these hospitals and organizations:

REGIONAL HEALTH SERVICES INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Pharmacyclics LLC, An AbbVie Company	$67 IMBRUVICA $67
Cardinal Health 200, LLC	$13 S.M.A.R.T. Self-Expanding Nitinol Stent $13

**Types of Payments**
Food and Beverage	$80

Biography

Dr. William Mason practices diagnostic radiology in Seneca, PA. Dr. Mason studied medicine at Rush Medical College.

Select Year:

Dr. William C. Mason, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. William C. Mason, MD in 2023

By Affordability:

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. William C. Mason, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William C. Mason, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. William C. Mason, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Seneca, PA