DARLENE TERESA ARIEL
NPI 1588168751
Obstetrics & Gynecology in Naperville, IL

Active since March 21, 2018PECOS EnrolledAccepts Medicare Assignment
608 S WASHINGTON ST STE 204, NAPERVILLE, IL 60540(630) 348-3080(630) 348-3344 Get Directions Write a Review

NPPES record last updated: August 3, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 8, 2022, Mar 21, 2018 (2 updates tracked since 2018).

About Darlene Teresa Ariel NPPES

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

DARLENE TERESA ARIEL (NPI 1588168751) is an individual obstetrics & gynecology provider in Naperville, Illinois, licensed in Illinois (036-157438) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Edward Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2018).

NPPES Registry Identity

NPI1588168751
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDARLENE TERESA ARIEL
Location Address608 S WASHINGTON ST STE 204Naperville, IL 60540-6675
Mailing AddressPo Box 713260Chicago, IL 60677-1260 · (630) 469-9200
Fax(630) 348-3344
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2018
Enumeration DateMarch 21, 2018
Last NPPES UpdateAugust 3, 20232 updates tracked since enumeration
NPPES CertifiedAugust 3, 2023
✔ NPI 1588168751 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in IL · 036-157438
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
608 S WASHINGTON ST STE 204, Naperville, IL 60540

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Darlene Teresa Ariel 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 ID5395095889
PECOS Enrollment IDI20220822002548
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Darlene Ariel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
1100 W 31ST ST, STE 300
Downers Grove, IL 60515
  • Reassigned Medicare billing, Illinois enrollment
  • 1,061 clinicians in this Medicare group
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Edward Hospital

Acute Care Hospitals · Naperville, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140231
Location801 South WashingtonNaperville, IL 60540 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60540 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

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

Obstetrics & Gynecology
608 S WASHINGTON ST STE 204
NAPERVILLE, IL 60540
Obstetrics & Gynecology
608 S WASHINGTON ST STE 204
NAPERVILLE, IL 60540
Physician Assistant (Surgical)
608 S WASHINGTON ST STE 204
NAPERVILLE, IL 60540
Obstetrics & Gynecology
608 S WASHINGTON ST STE 204
NAPERVILLE, IL 60540
General Acute Care Hospital
608 S WASHINGTON ST STE 204
NAPERVILLE, IL 60540

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 Darlene Ariel's NPI number?

The NPI number for Darlene Ariel is 1588168751. It was assigned to this individual provider in the NPPES registry on March 21, 2018.

Where is Darlene Ariel located?

Darlene Ariel practices at 608 S Washington St Ste 204, Naperville, IL 60540. The listed phone number is (630) 348-3080.

What is Darlene Ariel's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Darlene Ariel enrolled in Medicare?

Yes. Darlene Ariel 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.

Which organizations bill Medicare for Darlene Ariel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Darlene Ariel reassigns Medicare benefits to 2 organizations: Dupage Medical Group Ltd (Downers Grove, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Darlene Ariel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Darlene Ariel affiliated with any hospitals?

According to CMS data, Darlene Ariel is affiliated with Edward Hospital.

When was this NPI record last updated?

The NPPES record for Darlene Ariel was last updated on August 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.