NPPES file of Aug 9, 2026

Darlene Teresa Ariel

Obstetrics & Gynecology Physician · Naperville, IL

Darlene Teresa Ariel is an obstetrics & gynecology physician with a practice address in Naperville, Illinois, and NPI 1588168751, issued on Mar 21, 2018. Check the license (Illinois 036-157438, 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
1588168751
Name
Darlene Teresa Ariel
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
036-157438 IL
Self-reported in NPPES; status is on the state search
Practice location
608 S Washington St Ste 204, Naperville, IL 60540
Phone
(630) 348-3080
Enumerated
Mar 21, 2018
Record last updated
Aug 3, 2023
Fax
(630) 348-3344
Medicare enrollment
Enrolled (PECOS I20220822002548); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2018
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.
Download card Updates feed

Also registered at 608 S Washington St Ste 204

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

  1. Asen AsenovSurgical Physician Assistant1699073585
  2. Michele Carney, MDObstetrics & Gynecology Physician1750371340
  3. Lisa Egan, MDObstetrics & Gynecology Physician1245972645
  4. Jennifer Silk, DOObstetrics & Gynecology Physician1255890414

Verify Darlene Teresa Ariel 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 036-157438    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

89% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

18 Medicare Part D claims for 14 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Darlene Ariel18
  2. Specialty average165

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.

Bills Medicare through one group practice

  1. Dupage Medical Group LtdBloomingdale, IL

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

Obstetrics & Gynecology Physician providers in Illinois

There are 2,062 obstetrics & gynecology physician records in Illinois.

All 2,062 in Illinois → Every provider in Naperville →

Other obstetrics & gynecology physician records in Illinois

  1. Anum Abbasi, MDChicago, IL1679063010
  2. Diane Abdel-Barry, M.D.Chicago, IL1508205808
  3. Rana Abdul-Khalek, MDRoscoe, IL1275768087
  4. Idries Abdur-Rahman, M.D.Ottawa, IL1891727236
  5. Jamil Abdur-Rahman, M.D.Gurnee, IL1710914189
  6. Bassel Abouzeid, MDPeoria, IL1376160846
  7. Ashley Abraham, M.D.Arlington Heights, IL1457615742
  8. Iris Abrahantes Morales, MDChicago, IL1164155164
  9. Fidel Abrego, MDChicago, IL1245351824
  10. Bayan AbunarAurora, IL1972063220

Common questions

What is Darlene Teresa Ariel's NPI number?

Darlene Teresa Ariel's National Provider Identifier (NPI) is 1588168751, issued on Mar 21, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Darlene Teresa Ariel located?

The NPPES record lists a practice address at 608 S Washington St Ste 204, Naperville, IL, 60540. Phone: (630) 348-3080. Providers update this record themselves, so call before visiting.

How can I verify Darlene Teresa Ariel's license?

NPPES lists Illinois license number 036-157438, 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 Darlene Teresa Ariel prescribe under Medicare Part D?

In 2024, Darlene Teresa Ariel had 18 Medicare Part D claims for 14 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.