Quick answers
- Does Kathleen S. Castillo accept Medicare assignment?
- Yes. Medicare's clinician data says Kathleen S. Castillo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Kathleen S. Castillo's NPI number?
- 1891374617. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kathleen S. Castillo works
Medicare's Facility Affiliation Data lists Kathleen S. Castillo at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- The Medical Center (Bowling Green)Bowling Green, KY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 180013
- Tristar Greenview Regional HospitalBowling Green, KY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 180124
Practice locations
Addresses where Kathleen S. Castillo is enrolled with Medicare (CMS data updated October 2, 2026).
- 720 2nd Ave, Suite 203Bowling Green, KY 42101 (270) 843‑5114
Group practices
Medicare enrollment lists Kathleen S. Castillo as a member of this group (CMS data updated October 2, 2026).
- Southern Kentucky Nephrology Associates PSC7 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Bowling Green
Clinicians with the same Medicare primary specialty in Bowling Green, KY — not a recommendation.
Other clinicians in Southern Kentucky Nephrology Associates PSC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891374617 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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