Quick answers
- Where does Mark A. Applebaum see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Mark A. Applebaum's specialty?
- Medicare lists Pediatric Medicine as the primary specialty, and also Hematology/Oncology.
- Does Mark A. Applebaum accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Applebaum 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 Mark A. Applebaum?
- (888) 824-0200, as listed in official Medicare / NPI Registry data.
- What is Mark A. Applebaum's NPI number?
- 1033448147. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark A. Applebaum is enrolled with Medicare (CMS data updated 2026-10-02).
- 5841 S Maryland AveChicago, IL 60637 (888) 824‑0200
Group practices
Medicare enrollment lists Mark A. Applebaum as a member of this group (CMS data updated 2026-10-02).
- University of Chicago1,712 clinicians in the group
Specialties
- Pediatric Medicineprimary
- Hematology/Oncologyalso
Other pediatricians in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033448147 |
| 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
- 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