Quick answers
- Which hospitals does Abigail Williamson work at?
- Medicare's official clinician data lists Abigail Williamson at 2 hospitals: Indiana University Health and Reid Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Abigail Williamson see patients?
- Medicare's clinician data lists 1 practice location in Fishers, IN. Call before your visit to confirm the address.
- What is Abigail Williamson's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Abigail Williamson accept Medicare assignment?
- Yes. Medicare's clinician data says Abigail Williamson 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 Abigail Williamson?
- (317) 678-3133, as listed in official Medicare / NPI Registry data.
- What is Abigail Williamson's NPI number?
- 1124534367. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Abigail Williamson works
Medicare's Facility Affiliation Data lists Abigail Williamson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · CCN 150056
- Reid HealthRichmond, IN · Acute Care Hospital · CCN 150048
Practice locations
Addresses where Abigail Williamson is enrolled with Medicare (CMS data updated 2026-10-02).
- 13000 E 136th St, Suite 1100Fishers, IN 46037 (317) 678‑3133
Group practices
Medicare enrollment lists Abigail Williamson as a member of this group (CMS data updated 2026-10-02).
- Indianapolis Perioperative Medicine, LLC2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fishers
Clinicians with the same Medicare primary specialty in Fishers, IN — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124534367 |
| 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