Quick answers
- Which hospitals does James Siegert work at?
- Medicare's official clinician data lists James Siegert at 4 hospitals: Franciscan Health Crown Point, Franciscan Health Dyer, Franciscan Health Munster and Franciscan Health Olympia & Chicago Heights. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James Siegert see patients?
- Medicare's clinician data lists 4 practice locations, including Olympia Fields, IL. Call before your visit to confirm the address.
- What is James Siegert's specialty?
- Medicare lists Urology as the primary specialty.
- Does James Siegert accept Medicare assignment?
- Yes. Medicare's clinician data says James Siegert 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 James Siegert?
- (844) 740-4445, as listed in official Medicare / NPI Registry data.
- What is James Siegert's NPI number?
- 1245556224. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James Siegert works
Medicare's Facility Affiliation Data lists James Siegert at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Franciscan Health Crown PointCrown Point, IN · Acute Care Hospital · CCN 150126
- Franciscan Health DyerDyer, IN · Acute Care Hospital · CCN 150090
- Franciscan Health MunsterMunster, IN · Acute Care Hospital · CCN 150165
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL · Acute Care Hospital · CCN 140172
Practice locations
Addresses where James Siegert is enrolled with Medicare (CMS data updated 2026-10-02).
- 20201 Crawford AveOlympia Fields, IL 60461 (844) 740‑4445
- 20201 Crawford Ave, Suite 1276Olympia Fields, IL 60461 (708) 679‑2880
- 20201 S Crawford Ave, Suite 1400Olympia Fields, IL 60461 (708) 379‑2310
- 3700 W 203rd StOlympia Fields, IL 60461 (708) 679‑2580
Group practices
Medicare enrollment lists James Siegert as a member of these groups (CMS data updated 2026-10-02).
- Prime Healthcare Illinois Medical Group LLC322 clinicians in the group
- Specialty Physicians of Illinois LLC102 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245556224 |
| 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