Quick answers
- Which hospitals does Sonja M. Marcic work at?
- Medicare's official clinician data lists Sonja M. Marcic at 4 hospitals: Advocate Christ Hospital & Medical Center, Northwestern Medicine Central Dupage Hospital, OSF Little Company of Mary Medical Center and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sonja M. Marcic see patients?
- Medicare's clinician data lists 2 practice locations, including Oak Lawn, IL. Call before your visit to confirm the address.
- What is Sonja M. Marcic's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Nephrology.
- Does Sonja M. Marcic accept Medicare assignment?
- Yes. Medicare's clinician data says Sonja M. Marcic 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 Sonja M. Marcic offer telehealth?
- Medicare's clinician data says Sonja M. Marcic offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sonja M. Marcic?
- (708) 684-4393, as listed in official Medicare / NPI Registry data.
- What is Sonja M. Marcic's NPI number?
- 1700823192. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sonja M. Marcic works
Medicare's Facility Affiliation Data lists Sonja M. Marcic 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 Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · CCN 140179
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where Sonja M. Marcic is enrolled with Medicare (CMS data updated 2026-10-02).
- 4440 W 95th StOak Lawn, IL 60453 (708) 684‑4393
- 4457 Southwest Hwy, Suite 201Oak Lawn, IL 60453 (708) 598‑2448
Group practices
Medicare enrollment lists Sonja M. Marcic as a member of these groups (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- Kidney Care Center South LLC5 clinicians in the group
Specialties
- Internal Medicineprimary
- Nephrologyalso
Other internal medicine doctors in Oak Lawn
Clinicians with the same Medicare primary specialty in Oak Lawn, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1700823192 |
| 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