Quick answers
- Does Karen S. Westhoven accept Medicare assignment?
- Yes. Medicare's clinician data says Karen S. Westhoven 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 Karen S. Westhoven's NPI number?
- 1144203365. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karen S. Westhoven works
Medicare's Facility Affiliation Data lists Karen S. Westhoven 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.
- Henry County Hospital, IncNapoleon, OH · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 361309
- Mercy Health - Defiance HospitalDefiance, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360270
Practice locations
Addresses where Karen S. Westhoven is enrolled with Medicare (CMS data updated October 2, 2026).
- 1600 E Riverview AveNapoleon, OH 43545 (419) 592‑4015
Group practices
Medicare enrollment lists Karen S. Westhoven as a member of this group (CMS data updated October 2, 2026).
- Henry County Hospital Inc41 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Other clinicians in Henry County Hospital Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144203365 |
| 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