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DR. EMILY M KELLER M.D.
NPI 1093000614
Pediatrics - Pediatric Infectious Diseases in Oak Lawn, IL

Active since June 10, 2011PECOS Enrolled
4400 W 95TH ST STE 1200H, OAK LAWN, IL 60453(708) 684-5643(708) 684-4716 Get Directions Write a Review

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 2, 2025, May 25, 2022, Aug 26, 2020 and 1 more (4 updates tracked since 2017).

About Dr. Emily M Keller M.d. NPPES

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

DR. EMILY M KELLER M.D. (NPI 1093000614) is an individual pediatric infectious diseases provider in Oak Lawn, Illinois, licensed in Illinois (036-134051) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Oak Lawn.

NPPES Registry Identity

NPI1093000614
Entity TypeIndividualFemale
Primary Taxonomy2080P0208X
Provider Legal NameDR. EMILY M KELLERCredential: M.D.
Location Address4400 W 95TH ST STE 1200HOak Lawn, IL 60453-2654
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Phone(708) 684-5643
Fax(708) 684-4716
Sole ProprietorNo
Enumeration DateJune 10, 2011
Last NPPES UpdateSeptember 2, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2025
✔ NPI 1093000614 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Infectious DiseasesAllopathic & Osteopathic Physicians
Taxonomy Code2080P0208X
License✔ Licensed in IL · 036-134051
Definition
A pediatrician trained to care for children in the diagnosis, treatment and prevention of infectious diseases. This specialist can apply specific knowledge to affect a better outcome for pediatric infections with complicated courses, underlying diseases that predispose to unusual or severe infections, unclear diagnoses, uncommon diseases and complex or investigational treatments.
Also ListedPediatricsTaxonomy 208000000X · License 125059577 (IL)
4400 W 95TH ST STE 1200H, Oak Lawn, IL 60453
Open in Google Maps ↗

Secondary Practice Location 1

Location 14440 W 95th StOak Lawn, IL 60453-2600 · Phone (708) 684-8000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, 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 (PECOS)

Dr. Emily M Keller 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 Emily Keller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health & Hospitals Corporation
Same address
Medical Specialty
4440 W 95TH ST
Oak Lawn, IL 60453
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1912936014 (847) 390-5900

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 2

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

DR. ALISON JOY HORNYAK D.O.
Pediatrics (Pediatric Infectious Diseases)
4400 W 95TH ST STE 1200H
OAK LAWN, IL 60453
Cook County (708) 684-5643
DANIEL JOHNSON
Pediatrics (Pediatric Infectious Diseases)
4400 W 95TH ST STE 1200H
OAK LAWN, IL 60453
Cook County (708) 684-5463

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 Emily Keller's NPI number?

The NPI number for Emily Keller is 1093000614. It was assigned to this individual provider in the NPPES registry on June 10, 2011.

Where is Emily Keller located?

Emily Keller practices at 4400 W 95th St Ste 1200H, Oak Lawn, IL 60453. The listed phone number is (708) 684-5643.

What is Emily Keller's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Infectious Diseases, with taxonomy code 2080P0208X.

Is Emily Keller enrolled in Medicare?

Yes. Emily Keller is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Emily Keller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emily Keller reassigns Medicare benefits to Advocate Health & Hospitals Corporation (Oak Lawn, 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 Emily Keller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Emily Keller accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Emily Keller 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.

When was this NPI record last updated?

The NPPES record for Emily Keller was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.