DR. HOSSAM NADER ABDEL AZIZ MD
NPI 1114558145
Hospitalist in Winfield, IL

Active since January 29, 2020PECOS EnrolledAccepts Medicare Assignment
25 N WINFIELD RD, WINFIELD, IL 60190(630) 933-4700(630) 933-4427 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Jul 10, 2026, Jan 29, 2020 (2 updates tracked since 2020).

About Dr. Hossam Nader Abdel Aziz Md NPPES

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

DR. HOSSAM NADER ABDEL AZIZ MD (NPI 1114558145) is an individual hospitalist provider in Winfield, Illinois, licensed in Illinois (036177105) and active in the NPI registry since January 2020. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and maintains a secondary practice location in Geneva.

NPPES Registry Identity

NPI1114558145
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. HOSSAM NADER ABDEL AZIZCredential: MD
Location Address25 N WINFIELD RDWinfield, IL 60190-1379
Mailing Address25 N Winfield RdWinfield, IL 60190-1379 · (630) 933-4700 · Fax (630) 933-4427
Fax(630) 933-4427
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateJanuary 29, 2020
Last NPPES UpdateJuly 10, 20262 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
NPI 1114558145 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses Licensed in IL · 036177105 Licensed in IN · 01098788A
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
25 N WINFIELD RD, Winfield, IL 60190

Secondary Practice Location 1

Location 1300 Randall RdGeneva, IL 60134-4200 · Phone (630) 933-4700 · Fax (630) 933-4427

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Hossam Nader Abdel Aziz Md 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 ID9234592668
PECOS Enrollment IDI20260505003477
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.

Hospital Affiliations CMS Care Compare

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

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60190 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 20

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

Surgery (Vascular Surgery)
25 N WINFIELD RD, SUITE 201
WINFIELD, IL 60190
Nurse Practitioner
25 N WINFIELD RD
WINFIELD, IL 60190
Speech-Language Pathologist
25 N WINFIELD RD
WINFIELD, IL 60190
Internal Medicine (Pulmonary Disease)
25 N WINFIELD RD
WINFIELD, IL 60190
Obstetrics & Gynecology
25 N WINFIELD RD
WINFIELD, IL 60190
Anesthesiology
25 N WINFIELD RD
WINFIELD, IL 60190
Otolaryngology
25 N WINFIELD RD
WINFIELD, IL 60190
Nurse Practitioner (Family)
25 N WINFIELD RD
WINFIELD, IL 60190

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 Hossam Abdel Aziz's NPI number?

The NPI number for Hossam Abdel Aziz is 1114558145. It was assigned to this individual provider in the NPPES registry on January 29, 2020.

Where is Hossam Abdel Aziz located?

Hossam Abdel Aziz practices at 25 N Winfield Rd, Winfield, IL 60190. The listed phone number is (630) 933-4700.

What is Hossam Abdel Aziz's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Hossam Abdel Aziz enrolled in Medicare?

Yes. Hossam Abdel Aziz 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.

Is Hossam Abdel Aziz affiliated with any hospitals?

According to CMS data, Hossam Abdel Aziz is affiliated with Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Hossam Abdel Aziz was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.