Quick answers
- Which hospitals does John R. Elsen work at?
- Medicare's official clinician data lists John R. Elsen at 4 hospitals: Advocate Christ Hospital & Medical Center, Loyola University Medical Center, 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 John R. Elsen see patients?
- Medicare's clinician data lists 6 practice locations, including Tinley Park, IL, Joliet, IL and Bloomingdale, IL. Call before your visit to confirm the address.
- What is John R. Elsen's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John R. Elsen accept Medicare assignment?
- Yes. Medicare's clinician data says John R. Elsen 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 John R. Elsen offer telehealth?
- Medicare's clinician data says John R. Elsen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John R. Elsen?
- (708) 226-7000, as listed in official Medicare / NPI Registry data.
- What is John R. Elsen's NPI number?
- 1437260940. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John R. Elsen works
Medicare's Facility Affiliation Data lists John R. Elsen 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
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · CCN 140276
- 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 John R. Elsen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 17495 La Grange RdTinley Park, IL 60487 (708) 226‑7000
- 2100 Glenwood AveJoliet, IL 60435 (815) 725‑2121
- 30 Stratford DrBloomingdale, IL 60108 (630) 893‑2210
- 40 S Clay StHinsdale, IL 60521
- 430 Pennsylvania AveGlen Ellyn, IL 60137 (630) 469‑9200
Group practices
Medicare enrollment lists John R. Elsen as a member of this group (CMS data updated 2026-10-02).
- Dupage Medical Group Ltd1,322 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Tinley Park
Clinicians with the same Medicare primary specialty in Tinley Park, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1437260940 |
| 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