Quick answers
- Which hospitals does Mark Vexelman work at?
- Medicare's official clinician data lists Mark Vexelman at 5 hospitals: Northshore University Healthsystem - Evanston Hospital, Northwestern Memorial Hospital, Palos Community Hospital, Presence Saint Joseph Hospital - Chicago and Swedish Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Vexelman see patients?
- Medicare's clinician data lists 4 practice locations, including Chicago, IL and Skokie, IL. Call before your visit to confirm the address.
- What is Mark Vexelman's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mark Vexelman accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Vexelman 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.
- Does Mark Vexelman offer telehealth?
- Medicare's clinician data says Mark Vexelman offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark Vexelman?
- (773) 665-3000, as listed in official Medicare / NPI Registry data.
- What is Mark Vexelman's NPI number?
- 1700896750. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Vexelman works
Medicare's Facility Affiliation Data lists Mark Vexelman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · CCN 140010
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
- Presence Saint Joseph Hospital - ChicagoChicago, IL · Acute Care Hospital · CCN 140224
- Swedish HospitalChicago, IL · Acute Care Hospital · CCN 140114
Practice locations
Addresses where Mark Vexelman is enrolled with Medicare (CMS data updated 2026-10-02).
- 2900 N Lake Shore DrChicago, IL 60657 (773) 665‑3000
- 2900 N Lake Shore Dr, Suite 1202Chicago, IL 60657 (312) 649‑6565
- 5050 Touhy AveSkokie, IL 60077 (847) 679‑6100
- 5140 N California AveChicago, IL 60625 (773) 878‑8200
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1700896750 |
| 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