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Dr. Mark Henry Knelson, MD

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Specializes in: Diagnostic Radiology

500 Lauchwood Drive
Laurinburg, NC 28352

(910) 291-7000

Dr. Mark Henry Knelson, MD is a diagnostic radiologist in Raleigh, NC specializing in diagnostic radiology. Dr. Mark Henry Knelson, MD is affiliated with Atrium Health.

Office Locations

4420 Lake Boone Trail
Raleigh, NC 27607

open_in_new

500 Lauchwood Drive
Laurinburg, NC 28352

(910) 291-7000

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

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

Top 5%

By Affordability:

bone density test

bone imaging

central DEXA

dual-energy X-ray absorptiometry

musculoskeletal imaging

vascular procedures

vascular studies

X-rays

In 2024, Dr. Mark Henry Knelson, MD had a list price for bone density test, bone imaging, central DEXA, dual-energy X-ray absorptiometry (DEXA), musculoskeletal imaging, vascular procedures, vascular studies, and X-rays that was lower than the list prices billed to Medicare by 95% of providers in related specialties within North Carolina. 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 Affordability:

ankle brachial index

vascular physiologic studies

In 2012, Dr. Mark Henry Knelson, MD had a list price for ankle brachial index (ABI), and vascular physiologic studies that was lower than the list prices billed to Medicare by 75% of providers in related specialties within North Carolina. 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 Henry Knelson, MD treated as a diagnostic radiologist in Raleigh, NC during 2012 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

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

abdominal imaging	218
brain imaging (neuroimaging)	216
catheterization	68
CT scan	319
doctor visit	31
gastrointestinal procedures	13
hip imaging	34
minimally invasive procedures	15
musculoskeletal imaging	158
pelvic imaging	80
spinal procedures	40
thoracic (chest) imaging	715
ultrasound (sonogram)	136
vascular procedures	75
vertebral fracture assessment (VFA)	115
X-rays	1005

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Henry Knelson, MD treated as a diagnostic radiologist in Raleigh, NC during 2013 were X-rays, thoracic (chest) imaging, CT scan and musculoskeletal imaging.

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

abdominal imaging	200
brain imaging (neuroimaging)	147
catheterization	55
CT scan	250
doctor visit	50
gastrointestinal procedures	22
hip imaging	32
image guided procedures	29
injections	29
minimally invasive procedures	29
musculoskeletal imaging	203
pain management	29
pelvic imaging	71
spinal procedures	98
thoracic (chest) imaging	617
ultrasound (sonogram)	131
vascular procedures	71
vertebral fracture assessment (VFA)	164
X-rays	964

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Male	619
Female	990

**Ethnicity**
Non-Hispanic White	1268
Black	292
Hispanic	17
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	579
From 75 to 84	498
85 and over	320
Less than 65	212

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

Hypertension	75
High Cholesterol	61
Stroke	10
Ischemic Heart Disease	47
Depression	27
Chronic Kidney Disease	37
Asthma	9
Osteoperosis	14
Atrial Fibrilation	19
Heart Failure	32
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	18
Cancer	19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

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

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

abdominal imaging	351
brain imaging (neuroimaging)	103
catheterization	34
CT scan	299
device removal	11
doctor visit	33
hip imaging	27
musculoskeletal imaging	105
pelvic imaging	171
spinal procedures	43
thoracic (chest) imaging	563
ultrasound (sonogram)	224
vascular procedures	95
vertebral fracture assessment (VFA)	61
X-rays	736

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Male	749
Female	860

**Ethnicity**
Non-Hispanic White	1288
Black	265
Hispanic	24
Asian	18
Other	0
Native American	0

**Age**
From 65 to 74	655
From 75 to 84	465
85 and over	267
Less than 65	222

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

Hypertension	75
High Cholesterol	59
Stroke	9
Ischemic Heart Disease	44
Depression	25
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	12
Atrial Fibrilation	21
Heart Failure	30
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

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

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

abdominal imaging	485
brain imaging (neuroimaging)	187
catheterization	43
CT scan	471
doctor visit	18
gastrointestinal procedures	15
hip imaging	34
musculoskeletal imaging	249
pelvic imaging	240
spinal procedures	62
thoracic (chest) imaging	887
ultrasound (sonogram)	294
vascular procedures	94
vertebral fracture assessment (VFA)	88
X-rays	1235

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Male	2094
Female	2516

**Ethnicity**
Non-Hispanic White	3672
Black	746
Hispanic	66
Asian	66
Other	0
Native American	0

**Age**
From 65 to 74	1918
From 75 to 84	1398
85 and over	696
Less than 65	598

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

Hypertension	75
High Cholesterol	66
Stroke	10
Ischemic Heart Disease	45
Depression	26
Chronic Kidney Disease	41
Asthma	16
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	32
Chronic Obstructive Pulmonary Disease	22
Diabetes	39
Dementia	15
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Henry Knelson, MD treated as a diagnostic radiologist in Raleigh, NC during 2016 were X-rays, thoracic (chest) imaging, abdominal imaging and ultrasound (sonogram).

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

abdominal imaging	537
brain imaging (neuroimaging)	89
catheterization	46
CT scan	380
doctor visit	28
image guided procedures	25
injections	25
minimally invasive procedures	25
musculoskeletal imaging	346
pain management	25
pelvic imaging	262
spinal procedures	78
thoracic (chest) imaging	548
ultrasound (sonogram)	396
vascular procedures	133
vertebral fracture assessment (VFA)	140
X-rays	953

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Male	937
Female	1224

**Ethnicity**
Non-Hispanic White	1741
Black	309
Hispanic	0
Asian	34
Other	43
Native American	0

**Age**
From 65 to 74	1047
From 75 to 84	639
85 and over	247
Less than 65	228

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

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	43
Depression	23
Chronic Kidney Disease	44
Asthma	22
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	35
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Henry Knelson, MD treated as a diagnostic radiologist in Raleigh, NC during 2017 were X-rays, thoracic (chest) imaging, abdominal imaging and musculoskeletal imaging.

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

abdominal imaging	377
aspiration	11
brain imaging (neuroimaging)	86
catheterization	28
CT scan	327
doctor visit	12
gastrointestinal procedures	12
musculoskeletal imaging	329
pelvic imaging	220
pleural drainage	11
spinal procedures	13
thoracic (chest) imaging	399
ultrasound (sonogram)	225
vascular procedures	66
vertebral fracture assessment (VFA)	116
X-rays	754

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Male	729
Female	970

**Ethnicity**
Non-Hispanic White	1355
Black	250
Hispanic	0
Asian	28
Other	38
Native American	0

**Age**
From 65 to 74	779
From 75 to 84	526
85 and over	231
Less than 65	163

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

Hypertension	75
High Cholesterol	56
Stroke	8
Ischemic Heart Disease	41
Depression	27
Chronic Kidney Disease	47
Asthma	10
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	28
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	16
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Male	90
Female	104

**Ethnicity**
Non-Hispanic White	103
Black	79
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	49
85 and over	24
Less than 65	57

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

Hypertension	75
High Cholesterol	70
Stroke	14
Ischemic Heart Disease	51
Depression	40
Chronic Kidney Disease	71
Asthma	12
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	44
Chronic Obstructive Pulmonary Disease	27
Diabetes	52
Dementia	21
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Henry Knelson, MD treated as a diagnostic radiologist in Raleigh, NC during 2021 were vascular procedures, catheterization and aspiration.

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

aspiration	17
catheterization	21
vascular procedures	22

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Male	239
Female	283

**Ethnicity**
Non-Hispanic White	304
Black	192
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	138
85 and over	76
Less than 65	126

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

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	53
Depression	36
Chronic Kidney Disease	71
Asthma	12
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	51
Chronic Obstructive Pulmonary Disease	28
Diabetes	52
Dementia	30
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark Henry Knelson, MD treated as a diagnostic radiologist in Raleigh, NC during 2022 were vascular procedures and catheterization.

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

catheterization	14
vascular procedures	25

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Male	198
Female	245

**Ethnicity**
Non-Hispanic White	251
Black	173
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	143
85 and over	64
Less than 65	82

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

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	44
Depression	34
Chronic Kidney Disease	53
Asthma	10
Osteoperosis	16
Atrial Fibrilation	28
Heart Failure	47
Chronic Obstructive Pulmonary Disease	26
Diabetes	52
Dementia	22
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mark Henry Knelson, MD treated as a diagnostic radiologist in Raleigh, NC during 2023 were vascular procedures, catheterization, X-rays and spinal procedures.

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

catheterization	13
spinal procedures	11
vascular procedures	16
X-rays	11

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Male	202
Female	246

**Ethnicity**
Non-Hispanic White	281
Black	146
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	154
85 and over	62
Less than 65	64

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

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	44
Depression	33
Chronic Kidney Disease	50
Asthma	15
Osteoperosis	16
Atrial Fibrilation	31
Heart Failure	46
Chronic Obstructive Pulmonary Disease	27
Diabetes	46
Dementia	19
Cancer	21

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Mark Henry Knelson, MD treated as a diagnostic radiologist in Raleigh, NC during 2024 were vascular procedures, X-rays and musculoskeletal imaging.

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

musculoskeletal imaging	12
vascular procedures	14
X-rays	12

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Male	152
Female	210

**Ethnicity**
Non-Hispanic White	228
Black	119
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	154
From 75 to 84	100
85 and over	41
Less than 65	67

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

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	37
Depression	36
Chronic Kidney Disease	52
Asthma	17
Osteoperosis	20
Atrial Fibrilation	28
Heart Failure	43
Chronic Obstructive Pulmonary Disease	23
Diabetes	51
Dementia	17
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

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

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

abdominal imaging	361
aspiration	14
brain imaging (neuroimaging)	138
catheterization	35
CT scan	341
device removal	11
doctor visit	28
gastrointestinal procedures	15
hip imaging	31
image guided procedures	27
injections	27
minimally invasive procedures	23
musculoskeletal imaging	200
pain management	27
pelvic imaging	174
pleural drainage	11
spinal procedures	49
thoracic (chest) imaging	621
ultrasound (sonogram)	234
vascular procedures	61
vertebral fracture assessment (VFA)	114
X-rays	708

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Mark Henry Knelson, MD.

**Gender**
Female	695
Male	546

**Ethnicity**
Black / African American	233
Asian / Pacific Islander	14
Non-Hispanic White	953
Hispanic	10
Native American / Alaskan Native	0
Other	7

**Age**
85 and over	184
75 to 84	373
Less than 65	165
65 to 74	518

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

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

Hypertension	68
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	40
Depression	27
Chronic Kidney Disease	45
Asthma	12
Osteoporosis	12
Heart Failure	34
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Atrial Fibrillation	20
Cancer	16
Dementia	17

Education & Training

He completed residency at University Hospitals, Cleveland. He is certified by the Board certifications: American Board of Radiology, Diagnostic Radiology and has a state license in North Carolina.

Residency: University Hospitals, Cleveland

Board Certification: Board certifications: American Board of Radiology, Diagnostic Radiology

Licensed In: North Carolina

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General Payments

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

**Payments by Company**
Medtronic, Inc.	$1,393 IN.PACT AV $492	CONCERTOTM $312	OSTEOCOOL RF ABLATION SYSTEM $236	KYPHON EXPRESS II KYPHOPAK TRAY $224	MVP $129
Medtronic USA, Inc.	$545 KYPHON Balloon Kyphoplasty $460	OSTEOCOOL RF ABLATION $86
FUJIFILM Medical Systems USA, Inc.	$397 Synapse PACS (MI) $300	SYNAPSE $97
Bard Peripheral Vascular, Inc.	$299 COVERA $178	Lutonix Drug Coated Balloon $120
Teleflex LLC	$231 Barrigel $28	$203
Other	$233 Ruby Coil $69	Indigo System $63	Interventional Therapies $52	Interventional with Prolia $29	$20

**Types of Payments**
Food and Beverage	$2,799
Consulting Fee	$300

Biography

Dr. Mark Knelson practices diagnostic radiology. He is affiliated with Atrium Health. Dr. Knelson has an open panel in Laurinburg, NC according to Atrium Health. He trained at the University Hospitals, Cleveland for residency.

Select Year:

Dr. Mark Henry Knelson, MD

Office Locations

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

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. Mark Henry Knelson, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

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

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

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

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

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

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

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

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

Medicare Procedure and Patient Information

2020 Medicare Patient Data

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

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

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

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

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

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

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

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark Henry Knelson, 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. Mark Henry Knelson, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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