NPPES file of Aug 9, 2026

Alexandria Williams, MD

Maternal & Fetal Medicine Physician · Evanston, IL

Alexandria Williams, MD is a maternal & fetal medicine physician with a practice address in Evanston, Illinois, and NPI 1255724811, issued on Mar 6, 2015. Check the license (Illinois 036176795, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255724811
Name
Alexandria Williams
Credential
MD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
036176795 IL
Self-reported in NPPES; status is on the state search
Practice location
2650 Ridge Ave Ste 1420, Evanston, IL 60201
Phone
(847) 570-2860
Enumerated
Mar 6, 2015
Record last updated
Jul 30, 2026
Medicare enrollment
Enrolled (PECOS I20250710002502); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2650 Ridge Ave Ste 1420

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rachel Full, MSGenetic Counselor (M.S.)1245893239
  2. Ian Grable, MDMaternal & Fetal Medicine Physician1972538031
  3. David Ouyang, MDObstetrics & Gynecology Physician1821043944
  4. Amelia Richardson, MS, CGCGenetic Counselor (M.S.)1215681184
  5. Gina Russano, APN-CNMAdvanced Practice Midwife1982654422

Verify Alexandria Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036176795
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Endeavor Health Medical GroupEvanston, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexandria Williams among 128 maternal & fetal medicine physician records in Illinois

Alexandria Williams, MD is one of 128 maternal & fetal medicine physician records with a practice address in Illinois. 84% 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 83% of them.

  • NPI issued2015 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2018 · median 2003 among the 97 with a school on file
  • Record last updated2026 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in Illinois

There are 128 maternal & fetal medicine physician records in Illinois.

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Ann Borders, M.D., MPH, MSCEvanston, IL 602011841240397
  2. Luke Burns, MDEvanston, IL 602011336631910
  3. Mara Dinsmoor, MD, MPHEvanston, IL 602011982639019
  4. Carolynn Dude, M.D.Evanston, IL 602011134488620
  5. Ian Grable, MDEvanston, IL 602011972538031
  6. Scott Macgregor, DOEvanston, IL 602011275561193
  7. Caitlin Macgregor, MDEvanston, IL 602011548674575
  8. Caitlin Radford, MDEvanston, IL 602011629710132

Common questions

What is Alexandria Williams, MD's NPI number?

Alexandria Williams, MD's National Provider Identifier (NPI) is 1255724811, issued on Mar 6, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Alexandria Williams, MD located?

The NPPES record lists a practice address at 2650 Ridge Ave Ste 1420, Evanston, IL, 60201. Phone: (847) 570-2860. Providers update this record themselves, so call before visiting.

How can I verify Alexandria Williams, MD's license?

NPPES lists Illinois license number 036176795, 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.