In 2023, Dr. Sean D. McWilliams, MD performed more ablation, endovenous radiofrequency ablation (Venefit procedure), minimally invasive procedures, sclerotherapy for varicose veins, and vascular procedures procedures for Medicare patients than 95% of providers in related specialties within Illinois.

Top 10%

By Volume:

lower extremity venous duplex

In 2023, Dr. Sean D. McWilliams, MD performed more lower extremity venous duplex procedures for Medicare patients than 90% of providers in related specialties within Illinois.

Top 25%

By Volume:

vascular ultrasound

In 2012, Dr. Sean D. McWilliams, MD performed more vascular ultrasound procedures for Medicare patients than 75% of providers in related specialties within Illinois.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2012 were vascular procedures, minimally invasive procedures, ablation and injections.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	494
doctor visit	141
injections	448
laser treatment	46
minimally invasive procedures	540
ultrasound (sonogram)	341
vascular procedures	835

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2013 were vascular procedures, minimally invasive procedures, ablation and injections.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	560
doctor visit	123
injections	474
laser treatment	86
minimally invasive procedures	646
ultrasound (sonogram)	377
vascular procedures	937

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	25
Female	103

**Age**
From 65 to 74	91
From 75 to 84	18
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD in 2013

Hypertension	46
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	16
Depression	13
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	15
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2014 were vascular procedures, minimally invasive procedures, ablation and injections.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	557
doctor visit	161
injections	478
laser treatment	61
minimally invasive procedures	636
ultrasound (sonogram)	397
vascular procedures	954

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	24
Female	161

**Ethnicity**
Non-Hispanic White	168
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	37
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD in 2014

Hypertension	49
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	16
Depression	11
Chronic Kidney Disease	8
Asthma	6
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	9
Diabetes	13
Dementia	0
Cancer	7

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2015 were vascular procedures, minimally invasive procedures, ablation and injections.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	606
doctor visit	151
injections	476
laser treatment	130
minimally invasive procedures	736
ultrasound (sonogram)	439
vascular procedures	1045

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	58
Female	250

**Ethnicity**
Non-Hispanic White	286
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	220
From 75 to 84	60
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD in 2015

Hypertension	44
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	14
Depression	12
Chronic Kidney Disease	12
Asthma	8
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2016 were vascular procedures, minimally invasive procedures, ablation and injections.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	652
doctor visit	154
injections	521
laser treatment	131
minimally invasive procedures	783
ultrasound (sonogram)	453
vascular procedures	1105

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	37
Female	126

**Ethnicity**
Non-Hispanic White	145
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD in 2016

Hypertension	48
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	17
Depression	13
Chronic Kidney Disease	16
Asthma	12
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	9
Diabetes	19
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2017 were vascular procedures, minimally invasive procedures, ablation and injections.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	797
doctor visit	204
injections	606
laser treatment	124
minimally invasive procedures	988
ultrasound (sonogram)	545
vascular procedures	1342

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	34
Female	134

**Ethnicity**
Non-Hispanic White	149
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	43
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD in 2017

Hypertension	42
High Cholesterol	32
Stroke	0
Ischemic Heart Disease	17
Depression	18
Chronic Kidney Disease	11
Asthma	8
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	16
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2018 were vascular procedures, minimally invasive procedures, ultrasound (sonogram) and ablation.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	541
doctor visit	193
injections	320
minimally invasive procedures	762
ultrasound (sonogram)	704
vascular procedures	1245

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	32
Female	163

**Ethnicity**
Non-Hispanic White	167
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	48
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD in 2018

Hypertension	48
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	18
Depression	11
Chronic Kidney Disease	12
Asthma	6
Osteoperosis	7
Atrial Fibrilation	6
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	18
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2019 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and ablation.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	590
doctor visit	203
injections	331
minimally invasive procedures	849
ultrasound (sonogram)	884
vascular procedures	1474

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	50
Female	205

**Ethnicity**
Non-Hispanic White	218
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	68
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD in 2019

Hypertension	50
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	16
Depression	16
Chronic Kidney Disease	16
Asthma	5
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	6
Diabetes	18
Dementia	0
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2020 were vascular procedures, minimally invasive procedures, ultrasound (sonogram) and ablation.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	530
doctor visit	204
injections	330
minimally invasive procedures	730
ultrasound (sonogram)	708
vascular procedures	1238

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	53
Female	191

**Ethnicity**
Non-Hispanic White	211
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	61
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD in 2020

Hypertension	48
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	20
Depression	16
Chronic Kidney Disease	14
Asthma	5
Osteoperosis	9
Atrial Fibrilation	5
Heart Failure	5
Chronic Obstructive Pulmonary Disease	5
Diabetes	19
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2021 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and ablation.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	254
doctor visit	144
injections	133
minimally invasive procedures	375
ultrasound (sonogram)	419
vascular procedures	673

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	47
Female	147

**Ethnicity**
Non-Hispanic White	160
Black	0
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	61
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD in 2021

Hypertension	44
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	21
Depression	15
Chronic Kidney Disease	16
Asthma	6
Osteoperosis	7
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	6
Diabetes	19
Dementia	0
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL during 2022 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and ablation.

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

ablation	105
doctor visit	82
injections	62
minimally invasive procedures	148
ultrasound (sonogram)	269
vascular procedures	374

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	24
Female	88

**Ethnicity**
Non-Hispanic White	94
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD in 2022

Hypertension	60
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	13
Depression	13
Chronic Kidney Disease	12
Asthma	0
Osteoperosis	19
Atrial Fibrilation	11
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	16
Dementia	0
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Sean D. McWilliams, MD for Medicare patients.

The highest averages for the top procedures that Dr. Sean D. McWilliams, MD treated as a phlebologist in Wheaton, IL were vascular procedures, minimally invasive procedures, ablation and ultrasound (sonogram).

ablation	516
doctor visit	160
injections	379
laser treatment	96
minimally invasive procedures	653
ultrasound (sonogram)	503
vascular procedures	1020

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Sean D. McWilliams, MD.

**Gender**
Male	34
Female	142

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	145
Native American / Alaskan Native	0
Hispanic	5
Other	0

**Age**
75 to 84	42
85 and over	0
Less than 65	0
65 to 74	117

Average of Total of Conditions of Medicare patients treated by Dr. Sean D. McWilliams, MD From 2012 - 2022

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

Hypertension	43
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	15
Depression	12
Chronic Kidney Disease	10
Asthma	5
Osteoporosis	4
Heart Failure	0
Chronic Obstructive Pulmonary Disease	3
Diabetes	15
Atrial Fibrillation	2
Dementia	0
Cancer	6

Education & Training

He has a state license in Illinois.

Licensed In: Illinois

Ratings & Reviews

Dr. Sean D. McWilliams, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Sean D. McWilliams, MD from all over the web to help you find the right in Wheaton, IL.

Overall Rating

(1 Rating)

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General Payments

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

**Payments by Company**
AngioDynamics, Inc.	$125,324 VenaCure 1470 Pro $52,800	VenaCure EVLT $46,220	EVLT $25,933	$371
Tactile Systems Technology Inc	$796 ENTRE $772	ENTRE PLUS $24
Medtronic Vascular, Inc.	$375 ClosureFast $204	VenaSeal $172
Medtronic, Inc.	$30 VenaSeal $30
Biocompatibles, Inc.	$22 VARITHENA $22
Other	$16 XARELTO $16

**Types of Payments**
Long term medical supply or device loan	$50,400
Debt forgiveness	$46,220
Education	$28,333
Food and Beverage	$1,610

Biography

Dr. Sean McWilliams works as a general practice, vein disease (phlebology), and family medicine specialist in Wheaton, IL. Dr. McWilliams obtained a license to practice in Indiana.