Quick answers
- Which hospitals does Casey L. Gustavison work at?
- Medicare's official clinician data lists Casey L. Gustavison at 3 hospitals: Deaconess Illinois Union County, Ferrell Hospital Community Foundations and Heartland Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Casey L. Gustavison see patients?
- Medicare's clinician data lists 2 practice locations, including Marion, IL. Call before your visit to confirm the address.
- What is Casey L. Gustavison's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Casey L. Gustavison accept Medicare assignment?
- Yes. Medicare's clinician data says Casey L. Gustavison 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 Casey L. Gustavison?
- (618) 998-7600, as listed in official Medicare / NPI Registry data.
- What is Casey L. Gustavison's NPI number?
- 1508004706. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Casey L. Gustavison works
Medicare's Facility Affiliation Data lists Casey L. Gustavison at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Deaconess Illinois Union CountyAnna, IL · Critical Access Hospital · CCN 141342
- Ferrell Hospital Community FoundationsEldorado, IL · Critical Access Hospital · CCN 141324
- Heartland Regional Medical CenterMarion, IL · Acute Care Hospital · CCN 140184
Practice locations
Addresses where Casey L. Gustavison is enrolled with Medicare (CMS data updated 2026-10-02).
- 3331 W Deyoung StMarion, IL 62959 (618) 998‑7600
- 3333 W Deyoung StMarion, IL 62959 (618) 998‑7000
Group practices
Medicare enrollment lists Casey L. Gustavison as a member of this group (CMS data updated 2026-10-02).
- Deaconess Illinois Specialty Clinic, Inc.148 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Marion
Clinicians with the same Medicare primary specialty in Marion, IL — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508004706 |
| 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