Quick answers
- Which hospitals does Olivia Jefferis work at?
- Medicare's official clinician data lists Olivia Jefferis at 3 hospitals: Barnesville Hospital Association, Inc, Trinity Medical Center East &Trinity Medical Center West and Wheeling Hospital, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Olivia Jefferis see patients?
- Medicare's clinician data lists 2 practice locations, including Barnesville, OH. Call before your visit to confirm the address.
- What is Olivia Jefferis's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Olivia Jefferis accept Medicare assignment?
- Yes. Medicare's clinician data says Olivia Jefferis 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 Olivia Jefferis?
- (740) 425-3941, as listed in official Medicare / NPI Registry data.
- What is Olivia Jefferis's NPI number?
- 1417324427. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Olivia Jefferis works
Medicare's Facility Affiliation Data lists Olivia Jefferis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnesville Hospital Association, IncBarnesville, OH · Critical Access Hospital · CCN 361321
- Trinity Medical Center East &Trinity Medical Center WestSteubenville, OH · Acute Care Hospital · CCN 360211
- Wheeling Hospital, IncWheeling, WV · Acute Care Hospital · CCN 510050
Practice locations
Addresses where Olivia Jefferis is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Hospital DrBarnesville, OH 43713
- 639 W Main StBarnesville, OH 43713 (740) 425‑3941
Group practices
Medicare enrollment lists Olivia Jefferis as a member of this group (CMS data updated 2026-10-02).
- Barnesville Hospital Association, Inc.15 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417324427 |
| 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