Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

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

Q: 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.

Q: What is Aaron Muller's specialty?

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

Q: 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 5 days 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.

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: August 02, 2026.

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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, and ordering and referring status from the CMS PECOS system.

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.

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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