Quick answers
- Which hospitals does Adam L. Zack work at?
- Medicare's official clinician data lists Adam L. Zack at 4 hospitals: Advocate Sherman Hospital, Community First Medical Center, Holy Cross Hospital and Mt Sinai Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Adam L. Zack see patients?
- Medicare's clinician data lists 4 practice locations, including Elgin, IL, Chicago, IL and Oak Lawn, IL. Call before your visit to confirm the address.
- What is Adam L. Zack's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Emergency Medicine.
- Does Adam L. Zack accept Medicare assignment?
- Yes. Medicare's clinician data says Adam L. Zack 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 Adam L. Zack?
- (847) 742-9800, as listed in official Medicare / NPI Registry data.
- What is Adam L. Zack's NPI number?
- 1568048015. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Adam L. Zack works
Medicare's Facility Affiliation Data lists Adam L. Zack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · CCN 140030
- Community First Medical CenterChicago, IL · Acute Care Hospital · CCN 140251
- Holy Cross HospitalChicago, IL · Acute Care Hospital · CCN 140133
- Mt Sinai Hospital Medical CenterChicago, IL · Acute Care Hospital · CCN 140018
Practice locations
Addresses where Adam L. Zack is enrolled with Medicare (CMS data updated 2026-10-02).
- 1425 N Randall RdElgin, IL 60123 (847) 742‑9800
- 1500 S Fairfield AveChicago, IL 60608 (773) 542‑2000
- 4440 W 95th StOak Lawn, IL 60453 (708) 684‑4393
- 5645 W Addison StChicago, IL 60634 (773) 282‑7000
Group practices
Medicare enrollment lists Adam L. Zack as a member of these groups (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- Cepamerica Illinois LLP499 clinicians in the group
- Community First Healthcare of Illinois Inc45 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in Illinois →
Other critical care doctors in Elgin
Clinicians with the same Medicare primary specialty in Elgin, IL — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568048015 |
| 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