Dr. Alison Joy Hornyak, DO
- Hospital affiliations
- 1
- Industry payments
- $13
- Medical groups
- 2
- Insurance carriers
- 13
- State license
- 1
- Practice address
- 4440 W 95th Street, Oak Lawn, IL 60453
- Practice phone
- Call (708) 684-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hornyak's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Alison Joy Hornyak is a pediatric infectious diseases physician in Oak Lawn, Illinois
Dr. Hornyak practices at Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health.
Dr. Hornyak's NPI, 1295051670, was assigned on April 11, 2010. Dr. Hornyak graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2010. Dr. Hornyak holds North Dakota license 14196.
- NPI
- 1295051670NPI Registry (opens in a new tab)
- NPI enumeration date
- April 11, 2010
- NPI status
- Active
- Practice phone
- (708) 684-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alison Joy Hornyak practices at Advocate Christ Medical Center in Oak Lawn, Illinois
Dr. Hornyak's primary practice is Advocate Christ Medical Center, at 4440 W 95th Street, Oak Lawn, IL 60453 in Cook County. The practice phone is (708) 684-8000.
- Advocate Christ Medical Center4440 W 95th Street, Oak Lawn, IL 60453 · Cook CountyPhone(708) 684-8000
Source: Dmand AI Affiliation Data
Dr. Alison Joy Hornyak is affiliated with 2 sites of care and 2 medical groups
Dr. Hornyak's primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Hornyak to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alison Joy Hornyak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hornyak practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Christ Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Advocate Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alison Joy Hornyak is one of 47 pediatric infectious diseases physicians in Illinois
Pediatric infectious diseases is Dr. Hornyak's primary specialty in the NPI Registry, under taxonomy code 2080P0208X. Dr. Hornyak is board certified in pediatric infectious diseases by the American Board of Pediatrics. Dr. Hornyak is licensed in North Dakota.
Specialties and state licenses
- Pediatric infectious diseases, North DakotaPrimary
Pediatric infectious diseases physicians near Dr. Hornyak
Counts of pediatric infectious diseases physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alison Joy Hornyak's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Hornyak's median patient age at 11, with 70% women.
Dr. Hornyak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women70%
- Men30%
Source: Dmand AI Patient Panel Data
Dr. Alison Joy Hornyak received $13 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Hornyak from 1 drug or device company in 2021. Education make up the largest share, 100% of the total. Horizon Pharma plc paid the most, $13.
Companies that paid Dr. Hornyak the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alison Joy Hornyak graduated from Chicago College of Osteopathic Medicine at Midwestern University
Dr. Hornyak graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2010.
- Medical school
- Board certified in pediatric infectious diseases
- Board certified in pediatrics
- Board certified in 2021 - 2026
- Board certified in 2013 - 2016
- Board certified in 2016 - 2024
Source: Dmand AI Professional Profile Data
Dr. Alison Joy Hornyak accepts plans from 13 insurance carriers
Dr. Hornyak is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of North Dakota
- HCSC
- Medica
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +5 more carriersWith a free account
Plan types Dr. Hornyak accepts, by number of carriers
- HMO9
- PPO9
- Medicare7
- POS4
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Alison Joy Hornyak's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Alison Joy Hornyak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Alison Joy Hornyak's NPI number?
Dr. Alison Joy Hornyak's NPI number is 1295051670. It was assigned on April 11, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Alison Joy Hornyak?
Dr. Alison Joy Hornyak is a pediatric infectious diseases physician in Oak Lawn, Illinois. The primary specialty in the NPI Registry is Pediatric Infectious Diseases Physician (taxonomy code 2080P0208X).
Where does Dr. Alison Joy Hornyak practice?
Dr. Hornyak practices at 4440 W 95th Street, Oak Lawn, IL 60453. Dr. Hornyak's primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. Dmand AI also links Dr. Hornyak to 1 group practice or clinic and 1 medical group.
What is Dr. Alison Joy Hornyak's office phone number?
The practice phone on file for Dr. Hornyak is (708) 684-8000.
What is Dr. Alison Joy Hornyak's medical license number?
Dr. Hornyak holds North Dakota license 14196.
Which hospitals is Dr. Alison Joy Hornyak affiliated with?
Dr. Hornyak practices at Advocate Christ Medical Center in Oak Lawn, Illinois.
What medical group is Dr. Alison Joy Hornyak part of?
Dr. Hornyak is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Hornyak to 1 more medical group.
Is Dr. Alison Joy Hornyak board certified?
Yes. Dr. Hornyak is board certified in pediatric infectious diseases by the American Board of Pediatrics.
Where did Dr. Alison Joy Hornyak go to medical school?
Dr. Hornyak graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2010.
Has Dr. Alison Joy Hornyak received payments from drug or device companies?
CMS Open Payments shows $13 in general payments to Dr. Hornyak from 1 company from 2021 to 2021. The largest total came from Horizon Pharma plc.
How long has Dr. Alison Joy Hornyak been practicing?
Dr. Hornyak graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Alison Joy Hornyak accept?
Dr. Hornyak is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to pediatric infectious diseases practices?
See pediatric infectious diseases physicians in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card