Quick answers
- Which hospitals does Jason Macklis work at?
- Medicare's official clinician data lists Jason Macklis at 5 hospitals: Advocate Condell Medical Center, Advocate Good Shepherd Hospital, Advocate Illinois Masonic Medical Center, Advocate Lutheran General Hospital and Advocate Sherman Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jason Macklis see patients?
- Medicare's clinician data lists 6 practice locations, including Park Ridge, IL, Buffalo Grove, IL and Oak Lawn, IL. Call before your visit to confirm the address.
- What is Jason Macklis's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Jason Macklis accept Medicare assignment?
- Yes. Medicare's clinician data says Jason Macklis 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 Jason Macklis?
- (847) 459-1160, as listed in official Medicare / NPI Registry data.
- What is Jason Macklis's NPI number?
- 1003136458. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jason Macklis works
Medicare's Facility Affiliation Data lists Jason Macklis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Condell Medical CenterLibertyville, IL · Acute Care Hospital · CCN 140202
- Advocate Good Shepherd HospitalBarrington, IL · Acute Care Hospital · CCN 140291
- Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · CCN 140182
- Advocate Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · CCN 140223
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · CCN 140030
Practice locations
Addresses where Jason Macklis is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1700 Luther LnPark Ridge, IL 60068
- 1775 Dempster StPark Ridge, IL 60068
- 214 McHenry RdBuffalo Grove, IL 60089 (847) 459‑1160
- 4440 W 95th StOak Lawn, IL 60453
- 836 W Wellington, Suite G346Chicago, IL 60657 (773) 296‑7147
Group practices
Medicare enrollment lists Jason Macklis as a member of this group (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Park Ridge
Clinicians with the same Medicare primary specialty in Park Ridge, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003136458 |
| 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