Quick answers
- Which hospitals does Peter C. Rantis Jr. work at?
- Medicare's official clinician data lists Peter C. Rantis Jr. at 3 hospitals: Alexian Brothers Medical Center 1, Northwest Community Hospital 1 and St Alexius Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter C. Rantis Jr. see patients?
- Medicare's clinician data lists 2 practice locations, including Hoffman Estates, IL and Elk Grove Village, IL. Call before your visit to confirm the address.
- What is Peter C. Rantis Jr.'s specialty?
- Medicare lists General Surgery as the primary specialty, and also Colorectal Surgery (Proctology).
- Does Peter C. Rantis Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Peter C. Rantis Jr. 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 Peter C. Rantis Jr.?
- (847) 255-9697, as listed in official Medicare / NPI Registry data.
- What is Peter C. Rantis Jr.'s NPI number?
- 1306806682. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter C. Rantis Jr. works
Medicare's Facility Affiliation Data lists Peter C. Rantis Jr. 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
- Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · CCN 140252
- St Alexius Medical CenterHoffman Estates, IL · Acute Care Hospital · CCN 140290
Practice locations
Addresses where Peter C. Rantis Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 4885 Hoffman Blvd, Suite 400Hoffman Estates, IL 60192
- 800 Biesterfield Rd, Suite 555Elk Grove Village, IL 60007 (847) 255‑9697
Group practices
Medicare enrollment lists Peter C. Rantis Jr. as a member of this group (CMS data updated 2026-10-02).
- Suburban Surgical Care Specialists SC11 clinicians in the group
Specialties
Other general surgeons in Hoffman Estates
Clinicians with the same Medicare primary specialty in Hoffman Estates, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306806682 |
| 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