DR. ALISON JOY HORNYAK (D.O.) – Pediatric Infectious Diseases Physician, NPI 1295051670
Pediatric Infectious Diseases Physician
Main info
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. ALISON JOY HORNYAK (D.O.)
4400 W 95TH ST STE 1200H
OAK LAWN, IL 604532654
Phone: (708) 684-5643
Type: Location
29373 NETWORK PL
CHICAGO, IL 606731293
Phone:
Type: Mailing
Fargo, Broadway, Downtown, Fargo, Cass County, North Dakota, 58102-4608, United States
FARGO, ND 581024421
Phone: (701) 234-2715
Fax: (701) 234-2995
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2021-08-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20210819001432 | I | Pediatric Medicine | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60453)
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