DR. SEAN DAVID MCWILLIAMS MD
NPI 1356323398
Phlebology in Wheaton, IL

Active since November 16, 2005PECOS EnrolledAccepts Medicare Assignment
180 DANADA SQ W, WHEATON, IL 60189(630) 474-2600(630) 474-2601 Get Directions Write a Review

NPPES record last updated: April 25, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Sean David Mcwilliams Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SEAN DAVID MCWILLIAMS MD (NPI 1356323398) is an individual phlebology provider in Wheaton, Illinois, licensed in Illinois (036096961) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1356323398
Entity TypeIndividualMale
Primary Taxonomy202K00000X
Provider Legal NameDR. SEAN DAVID MCWILLIAMSCredential: MD
Location Address180 DANADA SQ WWheaton, IL 60189-2041
Mailing Address180 Danada Sq WWheaton, IL 60189-2041 · (630) 474-2600 · Fax (630) 474-2601
Fax(630) 474-2601
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateNovember 16, 2005
Last NPPES UpdateApril 25, 2024
NPPES CertifiedApril 25, 2024
NPI 1356323398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPhlebologyAllopathic & Osteopathic Physicians
Taxonomy Code202K00000X
License Licensed in IL · 036096961
Definition
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.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 036096961 (IL)
Also ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X · License 036096961 (IL), 01062181A (IN)
180 DANADA SQ W, Wheaton, IL 60189

Other Identifiers 3

OtherP00419402IN · Medicare Railroad Individual Ptan
Other01622308IL · Blue Cross
OtherP00426506IL · Medicare Railroad Individual Ptan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Sean David Mcwilliams Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628059094
PECOS Enrollment IDI20040601000559
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ultrasonic guidance for needle placement 76942
Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.
127 services57 patients
Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
113 services88 patients
Injection of chemical agent into multiple incompetent veins of leg 36471
This procedure involves injecting a special chemical into problematic veins in the leg. The chemical helps to close off these veins, rerouting blood through healthier veins. This can alleviate discomfort and improve the appearance of the treated area.
96 services47 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
59 services51 patients
Injection of chemical agent into single incompetent vein of leg using ultrasound guidance 36465
This procedure involves injecting a chemical agent into a non-functioning vein in your leg. Ultrasound technology is used to accurately locate the vein. The chemical helps to close off the vein, rerouting blood flow to healthier veins.
58 services29 patients
Ultrasound study of one arm or leg veins with compression and maneuvers 93971
This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.
56 services39 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Phlebology
180 DANADA SQ W
WHEATON, IL 60189

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sean Mcwilliams's NPI number?

The NPI number for Sean Mcwilliams is 1356323398. It was assigned to this individual provider in the NPPES registry on November 16, 2005.

Where is Sean Mcwilliams located?

Sean Mcwilliams practices at 180 Danada Sq W, Wheaton, IL 60189. The listed phone number is (630) 474-2600.

What is Sean Mcwilliams's specialty?

The primary specialty registered for this NPI is Phlebology with taxonomy code 202K00000X.

Is Sean Mcwilliams enrolled in Medicare?

Yes. Sean Mcwilliams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Sean Mcwilliams was last updated on April 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.