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Home > TN Providers > Pediatric Radiologists

Dr. John P. Williams III, MD

Accepting New Patients

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Specializes in: Pediatric Radiology and Diagnostic Radiology

University of South Alabama College of Medicine (1989)

1901 Clinch Avenue
Knoxville, TN 37916

(865) 331-1111

Dr. John P. Williams III, MD is a pediatric radiologist in Knoxville, TN specializing in pediatric radiology and diagnostic radiology. He graduated from University of South Alabama College of Medicine in 1989 and has 37 years of experience. Dr. John P. Williams III, MD is affiliated with Covenant Health, East Tennessee Children's Hospital, Parkwest Medical Center and Fort Sanders Regional Medical Center.

Office Locations

Fort Sanders Regional Medical Center

1901 Clinch Avenue
Knoxville, TN 37916

(865) 331-1111

open_in_new

East Tennessee Children's Hospital

2001 Laurel Avenue Suite N 304
Knoxville, TN 37916

(865) 595-4100

(865) 525-6811

open_in_new

Fort Sanders Regional Medical Center

9352 Park West Boulevard
Knoxville, TN 37923

(865) 373-1000

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Noteworthy Medicare Patient Procedures Performed by Dr. John P. Williams III, MD in 2023

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

Top 5%

By Volume:

2-D diagnostic mammogram

breast imaging

screening mammogram

targeted breast ultrasound

X-rays

By Affordability:

spine imaging

In 2023, among providers in related specialties within Tennessee, Dr. John P. Williams III, MD performed more 2-D diagnostic mammogram, breast imaging, screening mammogram, targeted breast ultrasound, and X-rays procedures for Medicare patients than 95% of them and he also had a list price for spine imaging that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Affordability:

bone density test

central DEXA

dual-energy X-ray absorptiometry

duplex ultrasound

lower extremity venous ultrasound

vascular studies

vascular ultrasound

venous duplex ultrasound

venous ultrasound

In 2012, Dr. John P. Williams III, MD had a list price for bone density test, central DEXA, dual-energy X-ray absorptiometry (DEXA), duplex ultrasound, lower extremity (leg) venous ultrasound, vascular studies, vascular ultrasound, venous duplex ultrasound, and venous ultrasound that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Tennessee. 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. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2012 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	304
brain imaging (neuroimaging)	196
breast procedures	440
CT scan	376
diagnostic imaging	47
gastrointestinal procedures	17
hip imaging	50
MRI (magnetic resonance imaging)	105
musculoskeletal imaging	187
nuclear scan	14
pelvic imaging	150
preventive care	365
spinal procedures	197
thoracic (chest) imaging	1278
ultrasound (sonogram)	311
vascular procedures	139
women's imaging	440
X-rays	2036

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2013 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	162
brain imaging (neuroimaging)	139
breast procedures	603
CT scan	215
diagnostic imaging	47
hip imaging	56
MRI (magnetic resonance imaging)	89
musculoskeletal imaging	159
neck imaging	11
pelvic imaging	77
preventive care	524
spinal procedures	80
thoracic (chest) imaging	895
ultrasound (sonogram)	207
vascular procedures	102
women's imaging	603
X-rays	1653

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Male	670
Female	1422

**Ethnicity**
Non-Hispanic White	1995
Black	58
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	820
From 75 to 84	505
85 and over	223
Less than 65	544

Conditions of Medicare patients treated by Dr. John P. Williams III, MD in 2013

Hypertension	74
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	41
Depression	31
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	27
Chronic Obstructive Pulmonary Disease	33
Diabetes	37
Dementia	15
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2014 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	244
brain imaging (neuroimaging)	158
breast procedures	617
cardiac procedures	12
CT scan	317
diagnostic imaging	63
gastrointestinal procedures	15
hip imaging	52
MRI (magnetic resonance imaging)	104
musculoskeletal imaging	160
nuclear scan	12
pelvic imaging	130
preventive care	512
spinal procedures	155
stress testing	12
thoracic (chest) imaging	1174
ultrasound (sonogram)	239
vascular procedures	99
women's imaging	617
X-rays	2013

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Male	786
Female	1438

**Ethnicity**
Non-Hispanic White	2123
Black	69
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	874
From 75 to 84	552
85 and over	225
Less than 65	573

Conditions of Medicare patients treated by Dr. John P. Williams III, MD in 2014

Hypertension	73
High Cholesterol	58
Stroke	8
Ischemic Heart Disease	43
Depression	33
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	28
Chronic Obstructive Pulmonary Disease	32
Diabetes	37
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2015 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	182
brain imaging (neuroimaging)	129
breast procedures	571
CT scan	263
diagnostic imaging	48
gastrointestinal procedures	18
hip imaging	42
MRI (magnetic resonance imaging)	108
musculoskeletal imaging	159
neck imaging	20
pelvic imaging	112
preventive care	463
spinal procedures	187
thoracic (chest) imaging	1036
ultrasound (sonogram)	235
vascular procedures	99
women's imaging	571
X-rays	1832

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Male	1430
Female	2860

**Ethnicity**
Non-Hispanic White	4100
Black	104
Hispanic	0
Asian	26
Other	34
Native American	0

**Age**
From 65 to 74	1834
From 75 to 84	1000
85 and over	448
Less than 65	1008

Conditions of Medicare patients treated by Dr. John P. Williams III, MD in 2015

Hypertension	72
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	39
Depression	28
Chronic Kidney Disease	32
Asthma	20
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	26
Chronic Obstructive Pulmonary Disease	31
Diabetes	35
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2016 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	162
brain imaging (neuroimaging)	108
breast procedures	584
cardiac procedures	11
CT scan	264
diagnostic imaging	25
gastrointestinal procedures	16
MRI (magnetic resonance imaging)	72
musculoskeletal imaging	122
neck imaging	14
nuclear scan	11
pelvic imaging	78
preventive care	516
spinal procedures	116
stress testing	11
thoracic (chest) imaging	830
ultrasound (sonogram)	205
vascular procedures	61
women's imaging	584
X-rays	1472

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Male	558
Female	1156

**Ethnicity**
Non-Hispanic White	1634
Black	34
Hispanic	14
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	777
From 75 to 84	395
85 and over	154
Less than 65	388

Conditions of Medicare patients treated by Dr. John P. Williams III, MD in 2016

Hypertension	70
High Cholesterol	51
Stroke	7
Ischemic Heart Disease	38
Depression	26
Chronic Kidney Disease	33
Asthma	32
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	24
Chronic Obstructive Pulmonary Disease	30
Diabetes	35
Dementia	14
Cancer	8

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2017 were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	111
brain imaging (neuroimaging)	110
breast procedures	517
cardiac procedures	14
CT scan	325
diagnostic imaging	51
gastrointestinal procedures	18
MRI (magnetic resonance imaging)	71
musculoskeletal imaging	110
neck imaging	17
nuclear scan	14
pelvic imaging	70
preventive care	427
spinal procedures	108
stress testing	14
thoracic (chest) imaging	774
ultrasound (sonogram)	171
vascular procedures	39
women's imaging	517
X-rays	1258

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Male	509
Female	1111

**Ethnicity**
Non-Hispanic White	1533
Black	41
Hispanic	0
Asian	15
Other	19
Native American	0

**Age**
From 65 to 74	762
From 75 to 84	382
85 and over	114
Less than 65	362

Conditions of Medicare patients treated by Dr. John P. Williams III, MD in 2017

Hypertension	70
High Cholesterol	49
Stroke	5
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	30
Asthma	8
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	30
Diabetes	35
Dementia	12
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2018 were X-rays, women's imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	101
brain imaging (neuroimaging)	57
breast procedures	530
CT scan	304
diagnostic imaging	39
gastrointestinal procedures	11
MRI (magnetic resonance imaging)	18
musculoskeletal imaging	111
neck imaging	21
pelvic imaging	61
preventive care	479
spinal procedures	85
thoracic (chest) imaging	163
ultrasound (sonogram)	174
vascular procedures	53
women's imaging	530
X-rays	648

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Male	448
Female	1039

**Ethnicity**
Non-Hispanic White	1397
Black	26
Hispanic	0
Asian	25
Other	28
Native American	0

**Age**
From 65 to 74	732
From 75 to 84	376
85 and over	94
Less than 65	285

Conditions of Medicare patients treated by Dr. John P. Williams III, MD in 2018

Hypertension	66
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	33
Depression	24
Chronic Kidney Disease	28
Asthma	7
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	20
Chronic Obstructive Pulmonary Disease	27
Diabetes	31
Dementia	10
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2019 were X-rays, women's imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	119
brain imaging (neuroimaging)	30
breast procedures	456
CT scan	210
diagnostic imaging	19
musculoskeletal imaging	120
neck imaging	16
pelvic imaging	63
preventive care	433
spinal procedures	79
thoracic (chest) imaging	129
ultrasound (sonogram)	165
vascular procedures	45
women's imaging	456
X-rays	619

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Male	380
Female	954

**Ethnicity**
Non-Hispanic White	1263
Black	26
Hispanic	0
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	698
From 75 to 84	347
85 and over	92
Less than 65	197

Conditions of Medicare patients treated by Dr. John P. Williams III, MD in 2019

Hypertension	66
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	28
Asthma	6
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	22
Diabetes	30
Dementia	9
Cancer	6

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2020 were X-rays, breast procedures, women's imaging and preventive care.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	21
breast procedures	450
CT scan	106
diagnostic imaging	30
musculoskeletal imaging	83
preventive care	405
spinal procedures	37
thoracic (chest) imaging	106
ultrasound (sonogram)	116
vascular procedures	37
women's imaging	450
X-rays	512

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Male	190
Female	728

**Ethnicity**
Non-Hispanic White	849
Black	20
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	538
From 75 to 84	238
85 and over	57
Less than 65	85

Conditions of Medicare patients treated by Dr. John P. Williams III, MD in 2020

Hypertension	57
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	26
Asthma	5
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	22
Dementia	8
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2021 were X-rays, women's imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	54
breast procedures	556
CT scan	36
diagnostic imaging	42
musculoskeletal imaging	136
neck imaging	11
pelvic imaging	15
preventive care	452
spinal procedures	36
thoracic (chest) imaging	21
ultrasound (sonogram)	182
vascular procedures	70
women's imaging	556
X-rays	666

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Male	315
Female	1003

**Ethnicity**
Non-Hispanic White	1221
Black	27
Hispanic	11
Asian	23
Other	36
Native American	0

**Age**
From 65 to 74	753
From 75 to 84	363
85 and over	113
Less than 65	89

Conditions of Medicare patients treated by Dr. John P. Williams III, MD in 2021

Hypertension	62
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	29
Depression	23
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	17
Diabetes	27
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN during 2022 were X-rays, women's imaging, breast procedures and preventive care.

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

abdominal imaging	87
breast procedures	675
CT scan	66
diagnostic imaging	71
musculoskeletal imaging	159
pelvic imaging	42
preventive care	518
spinal procedures	85
thoracic (chest) imaging	24
ultrasound (sonogram)	185
vascular procedures	54
women's imaging	675
X-rays	833

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Male	318
Female	1082

**Ethnicity**
Non-Hispanic White	1293
Black	35
Hispanic	0
Asian	22
Other	38
Native American	0

**Age**
From 65 to 74	803
From 75 to 84	401
85 and over	107
Less than 65	89

Conditions of Medicare patients treated by Dr. John P. Williams III, MD in 2022

Hypertension	70
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	19
Depression	23
Chronic Kidney Disease	19
Asthma	10
Osteoperosis	17
Atrial Fibrilation	16
Heart Failure	12
Chronic Obstructive Pulmonary Disease	18
Diabetes	24
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John P. Williams III, MD for Medicare patients.

The highest averages for the top procedures that Dr. John P. Williams III, MD treated as a pediatric radiologist in Knoxville, TN were X-rays, thoracic (chest) imaging, women's imaging and breast procedures.

abdominal imaging	140
brain imaging (neuroimaging)	115
breast procedures	545
cardiac procedures	12
CT scan	225
diagnostic imaging	43
gastrointestinal procedures	15
hip imaging	50
MRI (magnetic resonance imaging)	81
musculoskeletal imaging	136
neck imaging	15
nuclear scan	12
pelvic imaging	79
preventive care	463
spinal procedures	105
stress testing	12
thoracic (chest) imaging	584
ultrasound (sonogram)	199
vascular procedures	72
women's imaging	545
X-rays	1231

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John P. Williams III, MD.

**Gender**
Female	1163
Male	509

**Ethnicity**
Black / African American	40
Asian / Pacific Islander	11
Non-Hispanic White	1582
Hispanic	4
Native American / Alaskan Native	0
Other	17

**Age**
85 and over	147
75 to 84	414
Less than 65	329
65 to 74	781

Average of Total of Conditions of Medicare patients treated by Dr. John P. Williams III, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John P. Williams III, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	61
High Cholesterol	52
Stroke	4
Ischemic Heart Disease	30
Depression	23
Chronic Kidney Disease	25
Asthma	10
Osteoporosis	8
Heart Failure	18
Chronic Obstructive Pulmonary Disease	23
Diabetes	28
Atrial Fibrillation	10
Dementia	10
Cancer	8

Education & Training

Dr. John P. Williams III, MD graduated from University of South Alabama College of Medicine in 1989. He completed residency at Tulane University Affiliated Hospitals. He is certified by the Diagnostic Radiology and has a state license in Tennessee.

Medical School: University of South Alabama College of Medicine (1989)

Residency: Tulane University Affiliated Hospitals

Board Certification: Diagnostic Radiology

Licensed In: Tennessee

Affiliations & Hospitals

Dr. John P. Williams III, MD is associated with these hospitals and organizations:

Covenant Health

East Tennessee Children's Hospital

Parkwest Medical Center

Fort Sanders Regional Medical Center

Ratings & Reviews

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General Payments

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

**Payments by Company**
Covidien Sales LLC	$19 Plaque Excision $19
Novo Nordisk Inc	$17 Ozempic $17
AbbVie, Inc.	$10 Synthroid $10

**Types of Payments**
Food and Beverage	$47

Biography

Dr. John Williams' areas of specialization are pediatric radiology and diagnostic radiology. After completing medical school at the University of South Alabama College of Medicine, he performed his residency at a hospital affiliated with Tulane University. His hospital/clinic affiliations include East Tennessee Children's Hospital and Covenant Health. Dr. Williams welcomes new patients at his office inKnoxville, TN as reported by Covenant Health.