Quick answers
- Which hospitals does Casey I. Sullivan work at?
- Medicare's official clinician data lists Casey I. Sullivan at 1 hospital: Hendricks Regional Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Casey I. Sullivan see patients?
- Medicare's clinician data lists 3 practice locations, including Plainfield, IN and Avon, IN. Call before your visit to confirm the address.
- What is Casey I. Sullivan's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Casey I. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Casey I. Sullivan 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 I. Sullivan?
- (317) 837-5555, as listed in official Medicare / NPI Registry data.
- What is Casey I. Sullivan's NPI number?
- 1578762944. 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 I. Sullivan works
Medicare's Facility Affiliation Data lists Casey I. Sullivan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hendricks Regional HealthDanville, IN · Acute Care Hospital · CCN 150005
Practice locations
Addresses where Casey I. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 Southfield Dr, Suite 1360Plainfield, IN 46168 (317) 837‑5555
- 6911 E US Hwy 36, Westside PhysiciansAvon, IN 46123 (317) 272‑8033
- 8244 E US Hwy 36Avon, IN 46123
Group practices
Medicare enrollment lists Casey I. Sullivan as a member of this group (CMS data updated 2026-10-02).
- Hendricks County Hospital340 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Plainfield
Clinicians with the same Medicare primary specialty in Plainfield, IN — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578762944 |
| 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