Quick answers
- Which hospitals does Sara Marin work at?
- Medicare's official clinician data lists Sara Marin at 2 hospitals: Rush Oak Park Hospital and Rush University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sara Marin see patients?
- Medicare's clinician data lists 3 practice locations, including Chicago, IL and Elmwood Park, IL. Call before your visit to confirm the address.
- What is Sara Marin's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Sara Marin accept Medicare assignment?
- Yes. Medicare's clinician data says Sara Marin 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 Sara Marin offer telehealth?
- Medicare's clinician data says Sara Marin offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sara Marin?
- (312) 947-4663, as listed in official Medicare / NPI Registry data.
- What is Sara Marin's NPI number?
- 1932762978. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sara Marin works
Medicare's Facility Affiliation Data lists Sara Marin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Rush Oak Park HospitalOak Park, IL · Acute Care Hospital · CCN 140063
- Rush University Medical CenterChicago, IL · Acute Care Hospital · CCN 140119
Practice locations
Addresses where Sara Marin is enrolled with Medicare (CMS data updated 2026-10-02).
- 1700 W Van Buren StChicago, IL 60612 (312) 947‑4663
- 1700 W Van Buren St, Suite 500Chicago, IL 60612 (312) 563‑2875
- 7734 W N AveElmwood Park, IL 60707 (708) 660‑3900
Group practices
Medicare enrollment lists Sara Marin as a member of these groups (CMS data updated 2026-10-02).
- Rush University Medical Group1,551 clinicians in the group
- Rush Oak Park Physicians Group Elmwood Park6 clinicians in the group
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 |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1932762978 |
| 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