Quick answers
- Which hospitals does German D. Calonje work at?
- Medicare's official clinician data lists German D. Calonje at 2 hospitals: Alexian Brothers Medical Center 1 and St Alexius Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does German D. Calonje see patients?
- Medicare's clinician data lists 3 practice locations, including Hoffman Estates, IL, Hoffman Est, IL and Elk Grove Village, IL. Call before your visit to confirm the address.
- What is German D. Calonje's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does German D. Calonje accept Medicare assignment?
- Yes. Medicare's clinician data says German D. Calonje 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 German D. Calonje offer telehealth?
- Medicare's clinician data says German D. Calonje offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for German D. Calonje?
- (847) 755-8208, as listed in official Medicare / NPI Registry data.
- What is German D. Calonje's NPI number?
- 1215042205. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where German D. Calonje works
Medicare's Facility Affiliation Data lists German D. Calonje at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alexian Brothers Medical Center 1Elk Grove Village, IL · Acute Care Hospital · CCN 140258
- St Alexius Medical CenterHoffman Estates, IL · Acute Care Hospital · CCN 140290
Practice locations
Addresses where German D. Calonje is enrolled with Medicare (CMS data updated 2026-10-02).
- 1555 Barrington RdHoffman Estates, IL 60169
- 1786 Moon Lake BlvdHoffman Est, IL 60194 (847) 755‑8208
- 800 Biesterfield RdElk Grove Village, IL 60007
Group practices
Medicare enrollment lists German D. Calonje as a member of this group (CMS data updated 2026-10-02).
- Bonaventure Medical Foundation LLC167 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Hoffman Estates
Clinicians with the same Medicare primary specialty in Hoffman Estates, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215042205 |
| 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