Active NPI 1356323398 Individual Practitioner Male Practitioner

Dr. Sean David Mcwilliams , MD

Phlebology • Wheaton, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Sean Mcwilliams, MD is a certified Phlebology practicing in Wheaton, IL. With approximately 31 years of clinical experience since completing medical education in 1995, Dr. Mcwilliams delivers high-quality medical care to the local community at 180 DANADA SQ W.

Dr. Mcwilliams accepts Medicare assignment.

Frequently performed procedures and clinical services include ultrasonic guidance imaging supervision and interpretation for insertion of needle, ultrasound study of arm or leg veins with compression and maneuvers, injection of chemical agent into multiple incompetent veins of leg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

180 Danada Sq W

Wheaton, IL 601892041

Telephone 6304742600

Fax 6304742601

Associated Practice Facility / Clinic

🏢 Danada Vein Care Sc Facility NPI 1649026196

Medicare Profile & Education

Medical School

Other

Graduation Year

1995

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Phlebology in Wheaton, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

31 Yrs Matches City Avg

City Avg: 31.0 Yrs

State Avg: 33.2 Yrs

Regional Practice Density

1 Specialists

Practicing in Wheaton, IL (21 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

85.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mcwilliams (31 Years) 31 Yrs

Wheaton Specialty Average (31.0 Years) 31.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	127	57	$296.61	$59.34
93970 Ultrasound study of arm or leg veins with compression and maneuvers	113	88	$773.64	$192.56
36471 Injection of chemical agent into multiple incompetent veins of leg	96	47	$708.22	$208.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	59	51	$140.78	$58.26
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance	58	29	$3923.39	$1313.94
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	56	39	$526.23	$122.24
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	42	19	$8681.08	$1097.11
36470 Injection of chemical agent into single incompetent vein	41	26	$1094.85	$119.35
99213 Established patient office or other outpatient visit, typically 15 minutes	32	27	$107.01	$93.67
36482 Chemical destruction of incompetent vein of arm or leg, accessed through the skin using imaging guidance	23	12	$18837.48	$1689.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$129.65	$115.51
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$222.29	$74.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	226	164	$1200.00	$198.46
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	148	117	$150.00	$58.89
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	146	77	$550.00	$60.93
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	134	78	$900.00	$125.81
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	112	51	$17000.00	$1149.56
36471 Injection of chemical agent into multiple incompetent veins of leg	104	62	$1600.00	$212.76
36470 Injection of chemical agent into single incompetent vein	91	58	$1200.00	$123.33
99202 New patient office or other outpatient visit, typically 20 minutes	88	88	$230.00	$75.58
36482 Chemical destruction of incompetent vein of arm or leg, accessed through the skin using imaging guidance	33	16	$32000.00	$1770.34
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance	33	25	$18000.00	$1385.54
99213 Established patient office or other outpatient visit, typically 15 minutes	18	16	$190.00	$94.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	156	49	$523.08	$130.28
93970 Ultrasound study of arm or leg veins with compression and maneuvers	113	83	$845.58	$202.84
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	73	51	$617.12	$61.11
36471 Injection of chemical agent into multiple incompetent veins of leg	62	46	$858.06	$214.12
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	56	46	$122.32	$58.74
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	43	25	$6748.84	$1217.94
36482 Chemical destruction of incompetent vein of arm or leg, accessed through the skin using imaging guidance	35	14	$7680.00	$1867.37
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$110.00	$77.60
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	13	12	$55.77	$24.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	248	80	$499.19	$130.07
93970 Ultrasound study of arm or leg veins with compression and maneuvers	171	128	$750.00	$208.43
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	139	79	$650.00	$61.31
36471 Injection of chemical agent into multiple incompetent veins of leg	133	76	$589.47	$217.30
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	121	54	$5400.00	$1346.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	73	63	$90.75	$59.81
99202 New patient office or other outpatient visit, typically 20 minutes	54	54	$100.00	$78.13
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	17	17	$50.00	$24.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	445	117	$498.20	$130.85
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	332	128	$657.83	$61.39
36471 Injection of chemical agent into multiple incompetent veins of leg	330	127	$526.52	$215.69
93970 Ultrasound study of arm or leg veins with compression and maneuvers	263	177	$750.00	$211.09
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	200	74	$5400.00	$1487.03
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	89	74	$75.00	$49.06
99202 New patient office or other outpatient visit, typically 20 minutes	87	87	$100.00	$81.87
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	28	27	$50.00	$24.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	634	166	$497.63	$128.15
36471 Injection of chemical agent into multiple incompetent veins of leg	331	122	$488.52	$204.67
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	260	108	$660.77	$59.22
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	259	101	$5400.00	$1528.01
93970 Ultrasound study of arm or leg veins with compression and maneuvers	250	159	$746.80	$204.99
99202 New patient office or other outpatient visit, typically 20 minutes	88	88	$100.00	$80.05
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	81	70	$75.00	$47.70
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	34	33	$50.00	$23.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	567	146	$498.59	$123.70
36471 Injection of chemical agent into multiple incompetent veins of leg	320	119	$473.59	$194.51
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	230	105	$654.35	$60.90
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	221	82	$5400.00	$1511.76
93970 Ultrasound study of arm or leg veins with compression and maneuvers	137	96	$750.00	$200.21
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	99	77	$75.00	$44.79
99202 New patient office or other outpatient visit, typically 20 minutes	50	50	$100.00	$76.92
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	44	38	$50.00	$22.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36471 Injection of chemical agent into multiple incompetent veins of leg	606	133	$449.83	$185.86
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	423	118	$497.75	$125.34
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	363	127	$654.41	$62.25
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	124	53	$5400.00	$1268.55
93970 Ultrasound study of arm or leg veins with compression and maneuvers	122	84	$750.00	$197.70
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	97	83	$75.00	$45.91
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	67	26	$5400.00	$1552.35
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	57	51	$50.00	$21.19
99202 New patient office or other outpatient visit, typically 20 minutes	50	50	$100.00	$78.86

Medical Specialties & State Licenses

CMS Verified: 2024-04-25

Phlebology Primary Specialty

NUCC Taxonomy Code: 202K00000X

State License IL 036096961

Phlebology is the medical discipline that involves the diagnosis and treatment of venous disorders, including spider veins, varicose veins, chronic venous insufficiency, venous leg ulcers, congenital venous abnormalities, venous thromboembolism and other disorders of venous origin. A phlebologist has attained a minimum of 50 hours of CME units in phlebology-related courses, and is knowledgeable of and trained in a variety of diagnostic techniques including physical examination, venous imaging techniques such as duplex ultrasound, CT and MR, plethysmographic techniques and laboratory evaluation related to venous thromboembolism. The phlebologist is also trained in a variety of therapeutic interventions, which may include compression, sclerotherapy, cutaneous vascular laser, endovenous thermoablation procedures (laser and radiofrequency) endovenous chemical ablation, surgical procedures (e.g., ambulatory phlebectomy, venous ligation), vasoactive medications and the management of venous thromboembolism.

Family Medicine

NUCC Taxonomy Code: 207Q00000X

State License IL 036096961

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Surgery - Vascular Surgery

NUCC Taxonomy Code: 2086S0129X

State License IL 036096961

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Surgery - Vascular Surgery

NUCC Taxonomy Code: 2086S0129X

State License IN 01062181A

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Medicare Railroad Individual Ptan

P00419402 (IN)

Commercial Insurance / Payer ID Blue Cross

01622308 (IL)

Commercial Insurance / Payer ID Medicare Railroad Individual Ptan

P00426506 (IL)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location April 25, 2024

Registered at 180 DANADA SQ W, WHEATON, IL 601892041 (Tel: 6304742600)

📍

Updated Business Mailing Address April 25, 2024

Registered at 180 DANADA SQ W, WHEATON, IL 601892041 (Tel: 6304742600)

✅

NPI Profile Active June 01, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location June 01, 2015

Registered at 184 SHUMAN BLVD, SUITE 560, NAPERVILLE, IL 605631219 (Tel: 6304206801)

📍

Updated Business Mailing Address June 01, 2015

Registered at 2001 BUTTERFIELD RD, SUITE 300, DOWNERS GROVE, IL 605151050 (Tel: 6307252700)

👤

Provider Name / Credentials Updated June 01, 2015

Recorded as SEAN MCWILLIAMS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 01, 2015

Family Medicine (License #036096961 in IL)

🟢

Initial NPI Registration & Enumeration November 16, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1356323398

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: November 16, 2005

Last Update: April 25, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

180 Danada Sq W

Wheaton, IL 601892041

Phone: 6304742600

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.