Quick answers
- Which hospitals does Allison Rule work at?
- Medicare's official clinician data lists Allison Rule at 2 hospitals: OSF Little Company of Mary Medical Center and UChicago Medicine AdventHealth Hinsdale. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Allison Rule see patients?
- Medicare's clinician data lists 2 practice locations, including Downers Grove, IL and Carol Stream, IL. Call before your visit to confirm the address.
- What is Allison Rule's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Allison Rule accept Medicare assignment?
- Yes. Medicare's clinician data says Allison Rule 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 Allison Rule?
- (630) 275-5900, as listed in official Medicare / NPI Registry data.
- What is Allison Rule's NPI number?
- 1881317287. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Allison Rule works
Medicare's Facility Affiliation Data lists Allison Rule 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
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · CCN 140122
Practice locations
Addresses where Allison Rule is enrolled with Medicare (CMS data updated 2026-10-02).
- 3815 Highland AveDowners Grove, IL 60515 (630) 275‑5900
- 630 E N AveCarol Stream, IL 60188 (630) 861‑6663
Group practices
Medicare enrollment lists Allison Rule as a member of this group (CMS data updated 2026-10-02).
- Ahp Specialty Care NFP31 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Downers Grove
Clinicians with the same Medicare primary specialty in Downers Grove, IL — not a recommendation.
Clinician information
| Graduation year | 2022 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881317287 |
| 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