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AARON JOHN MULLER M.D.
NPI 1588998165
Pediatrics - Neonatal-Perinatal Medicine in Arlington Heights, IL

Active since September 29, 2009PECOS Enrolled
800 W CENTRAL RD, ARLINGTON HEIGHTS, IL 60005(847) 570-2530(847) 570-0231 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Aaron John Muller M.d. NPPES

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

AARON JOHN MULLER M.D. (NPI 1588998165) is an individual neonatal-perinatal medicine provider in Arlington Heights, Illinois, licensed in Illinois (036131018) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS and maintains a secondary practice location in Hinsdale.

NPPES Registry Identity

NPI1588998165
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameAARON JOHN MULLERCredential: M.D.
Location Address800 W CENTRAL RDArlington Heights, IL 60005-2349
Mailing Address2650 Ridge Ave Ste 1223Evanston, IL 60201-1700
Phone(847) 570-2530
Fax(847) 570-0231
Sole ProprietorYes
Enumeration DateSeptember 29, 2009
Last NPPES UpdateJuly 30, 2026
NPPES CertifiedJuly 30, 2026
✔ NPI 1588998165 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in IL · 036131018
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License 036131018 (IL)
Also ListedGeneral Acute Care Hospital · ChildrenTaxonomy 282NC2000X · License 036131018 (IL)
800 W CENTRAL RD, Arlington Heights, IL 60005
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Other Names 1

Other Name (5)Aaron J Muller

Secondary Practice Location 1

Location 1120 N Oak StHinsdale, IL 60521-3829 · Phone (847) 991-0440

Other Identifiers 1

Medicaid125-056399IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aaron John Muller M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Aaron Muller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

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

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

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.

DR. ASAD S MEHDI M.D.
Hospitalist
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (877) 635-9229
CHONG H. PAK MD
Hospitalist
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-8400
JOHN A SHANLEY M.D.
Internal Medicine (Critical Care Medicine)
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-4177
KISHEN S. MANGLANI M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-6150
DR. VISHAL S OZA M.D.
Anesthesiology
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-1000
ARIANA DOROSKIN
Physical Therapist
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-1000
RADIATION ONCOLOGY ASSOCIATES, LLC
Radiology (Radiation Oncology)
800 W CENTRAL RD
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-6560
CHARLES NOZICKA DO
Emergency Medicine
800 W CENTRAL RD, NORTHWEST COMMUNITY HOSPITAL
ARLINGTON HEIGHTS, IL 60005
Cook County (847) 618-2494

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 Aaron Muller's NPI number?

The NPI number for Aaron Muller is 1588998165. It was assigned to this individual provider in the NPPES registry on September 29, 2009. The provider is also known as Aaron J Muller.

Where is Aaron Muller located?

Aaron Muller practices at 800 W Central Rd, Arlington Heights, IL 60005. The listed phone number is (847) 570-2530.

What is Aaron Muller's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Aaron Muller enrolled in Medicare?

Yes. Aaron Muller is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Aaron Muller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Muller reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, IL). The 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 Aaron Muller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Aaron Muller was last updated on July 30, 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.