Quick answers
- Which hospitals does Justin Chacko work at?
- Medicare's official clinician data lists Justin Chacko at 5 hospitals: Advocate Christ Hospital & Medical Center, Northwestern Medicine Kishwaukee Hospital, UChicago Medicine AdventHealth Bolingbrook, UChicago Medicine AdventHealth Hinsdale and UChicago Medicine AdventHealth La Grange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Justin Chacko see patients?
- Medicare's clinician data lists 8 practice locations, including Dekalb, IL, Hinsdale, IL and Shiloh, IL. Call before your visit to confirm the address.
- What is Justin Chacko's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Justin Chacko accept Medicare assignment?
- Yes. Medicare's clinician data says Justin Chacko accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Justin Chacko?
- (815) 766-7334, as listed in official Medicare / NPI Registry data.
- What is Justin Chacko's NPI number?
- 1922532878. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Justin Chacko works
Medicare's Facility Affiliation Data lists Justin Chacko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · CCN 140208
- Northwestern Medicine Kishwaukee HospitalDekalb, IL · Acute Care Hospital · CCN 140286
- UChicago Medicine AdventHealth BolingbrookBolingbrook, IL · Acute Care Hospital · CCN 140304
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · CCN 140122
- UChicago Medicine AdventHealth La GrangeLa Grange, IL · Acute Care Hospital · CCN 140065
Practice locations
Addresses where Justin Chacko is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1 Kish Hospital DrDekalb, IL 60115 (815) 766‑7334
- 120 N Oak StHinsdale, IL 60521 (630) 856‑9000
- 1404 Cross StShiloh, IL 62269 (618) 607‑1000
- 1423 Chicago RdChicago Heights, IL 60411 (708) 756‑1000
- 4440 W 95th StOak Lawn, IL 60453 (708) 684‑4393
Group practices
Medicare enrollment lists Justin Chacko as a member of these groups (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- Northstar Anesthesia of Illinois, LLC409 clinicians in the group
- Midwest Anesthesia Providers SC182 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Dekalb
Clinicians with the same Medicare primary specialty in Dekalb, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922532878 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians