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DR. ALISON JOY HORNYAK D.O.
NPI 1295051670
Pediatrics - Pediatric Infectious Diseases in Oak Lawn, IL

Active since April 11, 2010PECOS Enrolled
4400 W 95TH ST STE 1200H, OAK LAWN, IL 60453(708) 684-5643 Get Directions Write a Review

NPPES record last updated: April 22, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 22, 2022, Mar 17, 2018, Jul 3, 2017 and 1 more (4 updates tracked since 2016).

About Dr. Alison Joy Hornyak D.o. NPPES

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

DR. ALISON JOY HORNYAK D.O. (NPI 1295051670) is an individual pediatric infectious diseases provider in Oak Lawn, Illinois, licensed in North Dakota (14196) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1295051670
Entity TypeIndividualFemale
Primary Taxonomy2080P0208X
Provider Legal NameDR. ALISON JOY HORNYAKCredential: D.O.
Location Address4400 W 95TH ST STE 1200HOak Lawn, IL 60453-2654
Mailing Address29373 Network PlChicago, IL 60673-1293
Phone(708) 684-5643
Sole ProprietorNo
Enumeration DateApril 11, 2010
Last NPPES UpdateApril 22, 20224 updates tracked since enumeration
NPPES CertifiedApril 22, 2022
✔ NPI 1295051670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Infectious DiseasesAllopathic & Osteopathic Physicians
Taxonomy Code2080P0208X
License✔ Licensed in ND · 14196
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.
4400 W 95TH ST STE 1200H, Oak Lawn, IL 60453
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Other Names 1

Former Name (1)Alison Joy Gibson D.o.

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alison Joy Hornyak D.o. 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.

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. EMILY M KELLER M.D.
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 Alison Hornyak's NPI number?

The NPI number for Alison Hornyak is 1295051670. It was assigned to this individual provider in the NPPES registry on April 11, 2010. The provider is also known as Alison Joy Gibson D.O..

Where is Alison Hornyak located?

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

What is Alison Hornyak's specialty?

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

Is Alison Hornyak enrolled in Medicare?

Yes. Alison Hornyak is registered in the Medicare PECOS enrollment system.

What insurance does Alison Hornyak accept?

Health plans from Medica list Alison Hornyak 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 Alison Hornyak was last updated on April 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.