Quick answers
- Which hospitals does Seif Martini work at?
- Medicare's official clinician data lists Seif Martini at 1 hospital: Silver Cross Hospital and Medical Centers. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Seif Martini see patients?
- Medicare's clinician data lists 1 practice location in Joliet, IL. Call before your visit to confirm the address.
- What is Seif Martini's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Seif Martini accept Medicare assignment?
- Yes. Medicare's clinician data says Seif Martini 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 Seif Martini?
- (815) 741-2900, as listed in official Medicare / NPI Registry data.
- What is Seif Martini's NPI number?
- 1699724070. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Seif Martini works
Medicare's Facility Affiliation Data lists Seif Martini at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · CCN 140213
Practice locations
Addresses where Seif Martini is enrolled with Medicare (CMS data updated 2026-10-02).
- 301 Madison St, Suite 207Joliet, IL 60435 (815) 741‑2900
Group practices
Medicare enrollment lists Seif Martini as a member of this group (CMS data updated 2026-10-02).
- Dupage Medical Group Ltd1,322 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Joliet
Clinicians with the same Medicare primary specialty in Joliet, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699724070 |
| 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