Ashley Jillian Williamson, M.D.
Vascular Surgery Physician · Chicago, IL
Ashley Jillian Williamson, M.D. is a vascular surgery physician with a practice address in Chicago, Illinois, and NPI 1548640386, issued on Jun 7, 2015. Check the license (Illinois 036143888, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ashley Jillian Williamson
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- 036143888 IL
125066659 IL
01094916A IN
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave # MC6040, Chicago, IL 60637
- Phone
- (773) 753-1880
- Enumerated
- Jun 7, 2015
- Record last updated
- Jun 5, 2025
- Fax
- (773) 702-2140
- Medicare enrollment
- Enrolled (PECOS I20250107000627); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 197 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave # MC6040
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stacey Adjei, MD, MPHSurgery Physician1356136345
- Blake Alberts, M.D.Surgery Physician1912310178
- Mohamed AldallalSurgery Physician1235830993
- Nour Asfour, MDStudent in an Organized Health Care Education/Training Program1316732209
- Lutfi Barghuthi, MDVascular Surgery Physician1881155935
- Marco Bertucci Zoccali, MDColon & Rectal Surgery Physician1033537659
Verify Ashley Jillian Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036143888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $7,296.23
21 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospitals and group practices
- The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars
- The Methodist Hospitals IncMerrillville, IN
- University OF ChicagoCrown Point, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Ashley Jillian Williamson among 197 vascular surgery physician records in Illinois
Ashley Jillian Williamson, M.D. is one of 197 vascular surgery physician records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2015 · median 2005 among the 132 with a school on file
- Record last updated2025 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Illinois
There are 197 vascular surgery physician records in Illinois.
All 197 in Illinois → Every provider in Chicago → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Trissa BabrowskiChicago, IL 606371205166873
- Lutfi Barghuthi, MDChicago, IL 606371881155935
- Clayton Brinster, MDChicago, IL 606371497802573
- Kendra Colbert, MDChicago, IL 606371639755168
- Chelsea DorseyChicago, IL 606371215253729
- Darwin Eton, MDChicago, IL 606371770549594
- Sara Gaines, M.D.Chicago, IL 606371972916294
- Eileen Lu, MDChicago, IL 606371790313658
Common questions
What is Ashley Jillian Williamson, M.D.'s NPI number?
Ashley Jillian Williamson, M.D.'s National Provider Identifier (NPI) is 1548640386, issued on Jun 7, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Jillian Williamson, M.D. located?
The NPPES record lists a practice address at 5841 S Maryland Ave # MC6040, Chicago, IL, 60637. Phone: (773) 753-1880. Providers update this record themselves, so call before visiting.
How can I verify Ashley Jillian Williamson, M.D.'s license?
NPPES lists Illinois license number 036143888, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.