Quick answers
- Where does Katilyn Williamson see patients?
- Medicare's clinician data lists 2 practice locations, including Mount Vernon, IN and Boonville, IN. Call before your visit to confirm the address.
- What is Katilyn Williamson's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Katilyn Williamson accept Medicare assignment?
- Yes. Medicare's clinician data says Katilyn 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 Katilyn Williamson?
- (812) 838-6558, as listed in official Medicare / NPI Registry data.
- What is Katilyn Williamson's NPI number?
- 1427773464. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Katilyn Williamson is enrolled with Medicare (CMS data updated 2026-10-02).
- 309 N Sawmill StMount Vernon, IN 47620 (812) 838‑6558
- 315 S 3rd StBoonville, IN 47601 (812) 897‑4776
Group practices
Medicare enrollment lists Katilyn Williamson as a member of this group (CMS data updated 2026-10-02).
- Southwestern Behavioral Healthcare Inc37 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427773464 |
| 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
- 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