Quick answers
- Does Katelyn Obermiller accept Medicare assignment?
- Yes. Medicare's clinician data says Katelyn Obermiller 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 Katelyn Obermiller's NPI number?
- 1639510597. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katelyn Obermiller works
Medicare's Facility Affiliation Data lists Katelyn Obermiller 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.
- Twin City Medical CenterDennison, OH · Critical Access Hospital · Emergency services: listed by Medicare · CCN 361302
- Union HospitalDover, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360010
Practice locations
Addresses where Katelyn Obermiller is enrolled with Medicare (CMS data updated October 2, 2026).
- 819 N 1st StDennison, OH 44621 (740) 922‑0000
Group practices
Medicare enrollment lists Katelyn Obermiller as a member of this group (CMS data updated October 2, 2026).
- Trinity Hospital Twin City13 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Dennison
Clinicians with the same Medicare primary specialty in Dennison, OH — not a recommendation.
Other clinicians in Trinity Hospital Twin City
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2013 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639510597 |
| 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