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DUPAGE EMERGENCY PHYSICIANS LTD
NPI 1255323481
Emergency Medicine in Downers Grove, IL

Active since August 15, 2005
3815 HIGHLAND AVE, DOWNERS GROVE, IL 60515(630) 275-5900(630) 734-1560 Get Directions Write a Review

NPPES record last updated: January 19, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 19, 2021, Aug 19, 2020 (2 updates tracked since 2020).

About Dupage Emergency Physicians Ltd NPPES

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

DUPAGE EMERGENCY PHYSICIANS LTD (NPI 1255323481) is a healthcare organization registered as an emergency medicine in Downers Grove, Illinois and active in the NPI registry since August 2005. The organization lists Marc Spiller, President, as its authorized official.

NPPES Registry Identity

NPI1255323481
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business NameDUPAGE EMERGENCY PHYSICIANS LTD
Location Address3815 HIGHLAND AVEDowners Grove, IL 60515-1500
Mailing AddressPo Box 95279Chicago, IL 60694-5279 · (877) 485-4474 · Fax (405) 341-9217
Phone(630) 275-5900
Fax(630) 734-1560
Organization SubpartNo
Authorized OfficialMarc SpillerPresident · (888) 447-2450
Enumeration DateAugust 15, 2005
Last NPPES UpdateJanuary 19, 20212 updates tracked since enumeration
NPPES CertifiedJanuary 19, 2021
✔ NPI 1255323481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedFamily MedicineTaxonomy 207Q00000X
3815 HIGHLAND AVE, Downers Grove, IL 60515
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dupage Emergency Physicians Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

36

Medicare enrollment records show 36 clinicians reassign Medicare billing to Dupage Emergency Physicians Ltd, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 13 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Emergency Medicine35
Family Practice1

Nearest to this location (20)

See all 36
Aristides Alexander, M.D.
Emergency Medicine
NPI 1881009082
3815 HIGHLAND AVE
Downers Grove, IL 60515
(630) 275-5900
✔ PECOS✔ Accepts MedicareSame address
Andrea Carlson, MD
Emergency Medicine
NPI 1750382974
3815 HIGHLAND AVE ADVOCATE GOOD SAMARITAN HOSPITAL
Downers Grove, IL 60515
(630) 275-5900
✔ PECOS✔ Accepts MedicareSame address
Valerie Phillips, MD
Emergency Medicine
NPI 1154363901
3815 HIGHLAND AVE
Downers Grove, IL 60515
(630) 275-5900
✔ PECOSSame address
Jessica Sime, MD
Emergency Medicine
NPI 1730345562
3815 HIGHLAND AVE
Downers Grove, IL 60515
(630) 275-1160
✔ PECOS✔ Accepts MedicareSame address
Marc Spiller, M.D.
Emergency Medicine
NPI 1093715815
3815 HIGHLAND AVE
Downers Grove, IL 60515
(877) 485-4474
✔ PECOS✔ Accepts MedicareSame address
Donald Steiner, MD
Emergency Medicine
NPI 1255323028
3815 HIGHLAND AVE ADVOCATE GOOD SAMARITAN HOSPITAL
Downers Grove, IL 60515
(630) 275-5900
✔ PECOS✔ Accepts MedicareSame address
Benazir Baig, MD
Emergency Medicine
NPI 1386987170
3851 HIGHLAND AVENUE
Downers Grove, IL 60515
(630) 275-5900
✔ PECOS✔ Accepts MedicareSame address
Erika Danelski, DO
Emergency Medicine
NPI 1700464815
3815 HIGHLAND AVE
Downers Grove, IL 60515
(630) 275-1160
✔ PECOS✔ Accepts Medicare0.1 mi
Thomas Grudowski
Emergency Medicine
NPI 1508326745
3815 HIGHLAND AVE
Downers Grove, IL 60515
(708) 275-5900
✔ PECOS✔ Accepts Medicare0.1 mi
Christina Livak, M.D.
Emergency Medicine
NPI 1760776090
3815 HIGHLAND AVE
Downers Grove, IL 60515
(630) 275-5900
✔ PECOS✔ Accepts Medicare0.1 mi
John Korpics, MD
Emergency Medicine
NPI 1811998057
ADVOCATE GOOD SAMARITAN HOSPITAL 3815 HIGHLAND AVE
Downer's Grove, IL 60515
(630) 275-5900
✔ PECOS✔ Accepts Medicare1.5 mi
Matthew Destefani, MD
Emergency Medicine
NPI 1992187074
109 SYMONDS DR # 578
Hinsdale, IL 60521
(630) 856-6782
✔ PECOS✔ Accepts Medicare4.4 mi
Mitchell Lorenz, MD
Emergency Medicine
NPI 1508217662
9532 EAGLE WAY
Chicago, IL 60678
(866) 281-1892
✔ PECOS✔ Accepts Medicare8.8 mi
Nabila Shamshuddin, DO
Emergency Medicine
NPI 1427673029
1206 E 9TH ST
Lockport, IL 60441
(888) 693-6437
✔ PECOS✔ Accepts Medicare15 mi
Nicole Colucci, D.O.
Emergency Medicine
NPI 1295735017
5645 W ADDISON ST OUR LADY OF THE RESURRECTION HOSPITAL
Chicago, IL 60634
(773) 282-7000
✔ PECOS✔ Accepts Medicare15 mi
Tanner Olinger, DO
Emergency Medicine
NPI 1710636360
7435 W TALCOTT AVE
Chicago, IL 60631
(773) 990-7921
✔ PECOS✔ Accepts Medicare15 mi
Robert Rifenburg, D.O.
Emergency Medicine
NPI 1013917574
7435 W TALCOTT AVE
Chicago, IL 60631
(773) 774-8000
✔ PECOS✔ Accepts Medicare15 mi
Kelsey Green, MD
Emergency Medicine
NPI 1467911727
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 684-5354
✔ PECOS✔ Accepts Medicare16 mi
Maddelynn Hawkins, M.D.
Emergency Medicine
NPI 1952752057
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 684-5341
✔ PECOS✔ Accepts Medicare16 mi
Eliza Szybka, DO
Emergency Medicine
NPI 1770233322
4440 W 95TH ST
Oak Lawn, IL 60453
(708) 684-5375
✔ PECOS✔ Accepts Medicare16 mi
See all 36 clinicians

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

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 Dupage Emergency Physicians Ltd's NPI number?

The NPI number for Dupage Emergency Physicians Ltd is 1255323481. It was assigned to this organization in the NPPES registry on August 15, 2005.

Where is Dupage Emergency Physicians Ltd located?

Dupage Emergency Physicians Ltd is located at 3815 Highland Ave, Downers Grove, IL 60515. The listed phone number is (630) 275-5900.

What is Dupage Emergency Physicians Ltd's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Dupage Emergency Physicians Ltd enrolled in Medicare?

Yes. Dupage Emergency Physicians Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dupage Emergency Physicians Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 36 clinicians in 2 Medicare specialties reassign their Medicare billing to Dupage Emergency Physicians Ltd. A 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 the clinician's services. The largest specialties are Emergency Medicine (35) and Family Practice (1). Of these, 7 practice at this address and 13 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Dupage Emergency Physicians Ltd was last updated on January 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.