NPPES file of Aug 9, 2026

Ashley Lauren Vanzant, DO

Family Medicine Physician · Barrington, IL

Ashley Lauren Vanzant, DO is a family medicine physician with a practice address in Barrington, Illinois, and NPI 1831765411, issued on Jun 3, 2021. Check the license (Illinois 036.167193, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831765411
Name
Ashley Lauren Vanzant
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
036.167193 IL
125078527 IL
Self-reported in NPPES; status is on the state search
Practice location
400 Fox Glen CT, Barrington, IL 60010
Phone
(847) 382-9150
Enumerated
Jun 3, 2021
Record last updated
Sep 16, 2024
Fax
(847) 382-9155
Medicare enrollment
Enrolled (PECOS I20240930000401); accepts Medicare assignment
Medical or professional school
Marian University College Of Osteopathic Medicine, 2021
Telehealth
Offers telehealth (CMS)
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 400 Fox Glen CT

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

  1. Brenda Brak, MDFamily Medicine Physician1215925193
  2. Bailey Swanson, PA-CPhysician Assistant1063923134

Verify Ashley Lauren Vanzant 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 036.167193
    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

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95% fewer Medicare Part D claims than the average family medicine physician in 2024

179 Medicare Part D claims for 59 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Ashley Vanzant179
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium24 claims
  2. Lisinopril19 claims
  3. Hydrochlorothiazide11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $103.22

1 payment: food and beverage; the largest payer was Edwards Lifesciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ashley Vanzant$103.22
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Advocate Health And Hospitals CorporationBarrington, IL

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

Ashley Lauren Vanzant among 6,215 family medicine physician records in Illinois

Ashley Lauren Vanzant, DO is one of 6,215 family medicine physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.

  • NPI issued2021 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2021 · median 2006 among the 3,714 with a school on file
  • Record last updated2024 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 family medicine physician records list a practice address in Barrington

They are 12 of the 756 NPPES records with a practice address in Barrington, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Nader Aziz, M.D.Lake Barrington, IL 600101396829727
  2. Orazio Bartolomeo, MDBarrington, IL 600101558368803
  3. Brenda Brak, MDBarrington, IL 600101215925193
  4. Jeanene Caccopola, D.O.Barrington, IL 600101093704439
  5. Lisa Derken, MDBarrington, IL 600101336137207
  6. Ahmed Farrag, MDBarrington, IL 600101255547220
  7. Celeste Galizia, DOSouth Barrington, IL 600101508850819
  8. Joseph Grasso, D.O.South Barrington, IL 600101548383805

Common questions

What is Ashley Lauren Vanzant, DO's NPI number?

Ashley Lauren Vanzant, DO's National Provider Identifier (NPI) is 1831765411, issued on Jun 3, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ashley Lauren Vanzant, DO located?

The NPPES record lists a practice address at 400 Fox Glen CT, Barrington, IL, 60010. Phone: (847) 382-9150. Providers update this record themselves, so call before visiting.

How can I verify Ashley Lauren Vanzant, DO's license?

NPPES lists Illinois license number 036.167193, 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.

How much does Ashley Lauren Vanzant, DO prescribe under Medicare Part D?

In 2024, Ashley Lauren Vanzant, DO had 179 Medicare Part D claims for 59 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.