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DR. GREGORY AUBERT M.D. PHD
NPI 1346506839
Internal Medicine - Cardiovascular Disease in Maywood, IL

Active since April 09, 2012PECOS EnrolledAccepts Medicare Assignment
LOYOLA UNIVERSITY MEDICAL CENTER, 2160 S 1ST AVENUE, MAYWOOD, IL 60153(708) 327-2749 Get Directions Write a Review

NPPES record last updated: October 25, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 25, 2020, Jan 29, 2019, Sep 10, 2018 and 2 more (5 updates tracked since 2016).

About Dr. Gregory Aubert M.d. Phd NPPES

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

DR. GREGORY AUBERT M.D. PHD (NPI 1346506839) is an individual cardiovascular disease provider in Maywood, Illinois, licensed in Illinois (036139279) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Loyola University Medical Center, and maintains a secondary practice location in Evanston.

NPPES Registry Identity

NPI1346506839
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. GREGORY AUBERTCredential: M.D. PHD
Location AddressLOYOLA UNIVERSITY MEDICAL CENTER, 2160 S 1ST AVENUEMaywood, IL 60153
Mailing Address2160 S 1st AveMaywood, IL 60153-3328 · (888) 584-7888
Phone(708) 327-2749
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateApril 9, 2012
Last NPPES UpdateOctober 25, 20205 updates tracked since enumeration
NPPES CertifiedOctober 25, 2020
✔ NPI 1346506839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in IL · 036139279
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 036139279 (IL)
Also ListedHospitalistTaxonomy 208M00000X · License 036139279 (IL)
LOYOLA UNIVERSITY MEDICAL CENTER, Maywood, IL 60153
Open in Google Maps ↗

Secondary Practice Location 1

Location 12650 Ridge Ave, IM HospitalistsEvanston, IL 60201-1718 · Phone (847) 570-1010 · Fax (847) 733-5108

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

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

Dr. Gregory Aubert M.d. Phd 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 ID8224335542
PECOS Enrollment IDI20160513000195
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

4

Medicare enrollment records show Gregory Aubert reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Loyola University Medical Center
1.4 mi
General Practice
2160 S 1ST AVE
Maywood, IL 60153
  • Reassigned Medicare billing, Illinois enrollment
  • 1,138 clinicians in this Medicare group
NPI 1336159961 (708) 216-3215
Endeavor Health Medical Group
15 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235
Proctor Health Systems
120 mi
Family Medicine
5401 N KNOXVILLE AVE, SUITE 209
Peoria, IL 61614
  • Reassigned Medicare billing, Illinois enrollment
  • 349 clinicians in this Medicare group
NPI 1134173917 (309) 689-6049
Methodist Medical Center Of Illinois
122 mi
Psychiatric Unit
221 NE GLEN OAK AVE
Peoria, IL 61636
  • Reassigned Medicare billing, Illinois enrollment
  • 693 clinicians in this Medicare group
NPI 1275583155 (309) 672-5522

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.

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60153 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
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 8

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

PUJA BRAHMBHATT MD
Internal Medicine
LOYOLA UNIVERSITY MEDICAL CENTER, 2160 S. 1ST AVE
MAYWOOD, IL 60153
Cook County (888) 584-7888
LOUIS G MERCURI DDS
Dentist (Oral and Maxillofacial Surgery)
LOYOLA UNIVERSITY MEDICAL CENTER, 2160 S FIRST AVE 101 1740
MAYWOOD, IL 60153
Cook County (708) 216-9000
MEHDAT GABRIEL MD
Radiology (Diagnostic Radiology)
LOYOLA UNIVERSITY MEDICAL CENTER, MCGAW ENT., RM. 47
MAYWOOD, IL 60153
Cook County (708) 216-5221
GREGORY JOSEPH KLAZURA
Surgery
LOYOLA UNIVERSITY MEDICAL CENTER, 2160 S. FIRST AVENUE, EMS BLD. 3210
MAYWOOD, IL 60153
Cook County (708) 327-3436
GULIZ BARKAN MD
Pathology (Cytopathology)
LOYOLA UNIVERSITY MEDICAL CENTER, 2160 S FIRST AVE 101 1740
MAYWOOD, IL 60153
Cook County (708) 216-9000
PAUL J HERING MD
Internal Medicine
LOYOLA UNIVERSITY MEDICAL CENTER, LUH - NORTH ENT., RM.7604
MAYWOOD, IL 60153
Cook County (708) 216-8757
FNU ANAM M.D
Internal Medicine (Infectious Disease)
LOYOLA UNIVERSITY MEDICAL CENTER, 2160 S FIRST AVE
MAYWOOD, IL 60153
Cook County (708) 216-3135
ERIN AMELIA LEESTMA MD
Psychiatry & Neurology (Psychiatry)
LOYOLA UNIVERSITY MEDICAL CENTER, BUILDING 105, SUITE 1940
MAYWOOD, IL 60153
Cook County (708) 216-6200

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 Gregory Aubert's NPI number?

The NPI number for Gregory Aubert is 1346506839. It was assigned to this individual provider in the NPPES registry on April 9, 2012.

Where is Gregory Aubert located?

Gregory Aubert practices at Loyola University Medical Center 2160 S 1st Avenue, Maywood, IL 60153. The listed phone number is (708) 327-2749.

What is Gregory Aubert's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Gregory Aubert enrolled in Medicare?

Yes. Gregory Aubert 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 Gregory Aubert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Aubert reassigns Medicare benefits to 4 organizations: Loyola University Medical Center (Maywood, IL), Endeavor Health Medical Group (Evanston, IL), Proctor Health Systems (Peoria, IL) and Methodist Medical Center Of Illinois (Peoria, 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 Gregory Aubert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Aubert accept?

Health plans from Oscar Health list Gregory Aubert as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Aubert affiliated with any hospitals?

According to CMS data, Gregory Aubert is affiliated with Loyola University Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Aubert was last updated on October 25, 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.