Quick answers
- Which hospitals does Vivian E. Willis work at?
- Medicare's official clinician data lists Vivian E. Willis at 1 hospital: OSF Little Company of Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Vivian E. Willis see patients?
- Medicare's clinician data lists 1 practice location in Evergreen, IL. Call before your visit to confirm the address.
- What is Vivian E. Willis's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Vivian E. Willis accept Medicare assignment?
- Yes. Medicare's clinician data says Vivian E. Willis 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 Vivian E. Willis?
- (708) 422-6200, as listed in official Medicare / NPI Registry data.
- What is Vivian E. Willis's NPI number?
- 1992745442. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Vivian E. Willis works
Medicare's Facility Affiliation Data lists Vivian E. Willis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · CCN 140179
Practice locations
Addresses where Vivian E. Willis is enrolled with Medicare (CMS data updated 2026-10-02).
- 2800 W 95th StEvergreen, IL 60805 (708) 422‑6200
Group practices
Medicare enrollment lists Vivian E. Willis as a member of this group (CMS data updated 2026-10-02).
- North American Partners in Anesthesia Illinois LLC431 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Illinois →
Other nurse anesthetists in Evergreen
Clinicians with the same Medicare primary specialty in Evergreen, IL — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992745442 |
| 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