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MARGARET M GREGUS
NPI 1346870177
Clinical Nurse Specialist - Oncology in Hinsdale, IL

Active since January 21, 2020PECOS Enrolled
121 N ELM ST, HINSDALE, IL 60521(630) 601-7719 Get Directions Write a Review

NPPES record last updated: January 21, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Margaret M Gregus NPPES

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

MARGARET M GREGUS (NPI 1346870177) is an individual oncology provider in Hinsdale, Illinois, licensed in Illinois (209.002754) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346870177
Entity TypeIndividualFemale
Primary Taxonomy364SX0200X
Provider Legal NameMARGARET M GREGUS
Location Address121 N ELM STHinsdale, IL 60521-3765
Mailing Address1841 N 73rd CtElmwood Park, IL 60707-3706
Phone(630) 601-7719
Sole ProprietorYes
Enumeration DateJanuary 21, 2020
✔ NPI 1346870177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Nurse Specialist · OncologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364SX0200X
License✔ Licensed in IL · 209.002754
121 N ELM ST, Hinsdale, IL 60521
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret M Gregus is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60521 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
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
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 4

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

VAFA SHAYANI MD
Surgery
121 N ELM ST
HINSDALE, IL 60521
Dupage County (630) 468-2545
SUDARSHAN K SHARMA MD
Obstetrics & Gynecology (Gynecologic Oncology)
121 N ELM ST
HINSDALE, IL 60521
Dupage County (630) 856-6757
ROBERT J. DUCH M.D.S.C.
Specialist
121 N ELM ST
HINSDALE, IL 60521
Dupage County (630) 230-0277
DR. SUDARSHAN K. SHARMA, LTD.
Obstetrics & Gynecology (Gynecologic Oncology)
121 N ELM ST
HINSDALE, IL 60521
Dupage County (630) 856-6757

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 Margaret Gregus's NPI number?

The NPI number for Margaret Gregus is 1346870177. It was assigned to this individual provider in the NPPES registry on January 21, 2020.

Where is Margaret Gregus located?

Margaret Gregus practices at 121 N Elm St, Hinsdale, IL 60521. The listed phone number is (630) 601-7719.

What is Margaret Gregus's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Oncology, with taxonomy code 364SX0200X.

Is Margaret Gregus enrolled in Medicare?

Yes. Margaret Gregus is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Margaret Gregus was last updated on January 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.