Quick answers
- Which hospitals does Guido Marra work at?
- Medicare's official clinician data lists Guido Marra at 5 hospitals: Elmhurst Memorial Hospital, Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital, Northwestern Memorial Hospital and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Guido Marra see patients?
- Medicare's clinician data lists 11 practice locations, including Oak Brook, IL, Bloomingdale, IL and Chicago, IL. Call before your visit to confirm the address.
- What is Guido Marra's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Guido Marra accept Medicare assignment?
- Yes. Medicare's clinician data says Guido Marra 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 Guido Marra offer telehealth?
- Medicare's clinician data says Guido Marra offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Guido Marra?
- (630) 358-4414, as listed in official Medicare / NPI Registry data.
- What is Guido Marra's NPI number?
- 1023082328. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Guido Marra works
Medicare's Facility Affiliation Data lists Guido Marra at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · CCN 140200
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · CCN 140130
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where Guido Marra is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 1001 Commerce DrOak Brook, IL 60523
- 233 S Gary AveBloomingdale, IL 60108 (630) 358‑4414
- 233 S Gary Ave, Suite 100Bloomingdale, IL 60108 (630) 225‑2663
- 235 S Gary Ave, Suite 100Bloomingdale, IL 60108 (630) 893‑9600
- 251 E HuronChicago, IL 60611
Group practices
Medicare enrollment lists Guido Marra as a member of this group (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Oak Brook
Clinicians with the same Medicare primary specialty in Oak Brook, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1023082328 |
| 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