Quick answers
- Which hospitals does Sierra M. Lewellen work at?
- Medicare's official clinician data lists Sierra M. Lewellen at 1 hospital: Genesis Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sierra M. Lewellen see patients?
- Medicare's clinician data lists 4 practice locations, including Zanesville, OH. Call before your visit to confirm the address.
- What is Sierra M. Lewellen's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Sierra M. Lewellen accept Medicare assignment?
- Yes. Medicare's clinician data says Sierra M. Lewellen 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 Sierra M. Lewellen?
- (740) 454-4000, as listed in official Medicare / NPI Registry data.
- What is Sierra M. Lewellen's NPI number?
- 1154876845. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sierra M. Lewellen works
Medicare's Facility Affiliation Data lists Sierra M. Lewellen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Genesis HospitalZanesville, OH · Acute Care Hospital · CCN 360039
Practice locations
Addresses where Sierra M. Lewellen is enrolled with Medicare (CMS data updated 2026-10-02).
- 2951 Maple AveZanesville, OH 43701 (740) 454‑4000
- 945 Bethesda DrZanesville, OH 43701
- 955 Bethesda DrZanesville, OH 43701 (740) 450‑6147
- 955 Bethesda Dr, Fl 1Zanesville, OH 43701 (740) 454‑0804
Group practices
Medicare enrollment lists Sierra M. Lewellen as a member of this group (CMS data updated 2026-10-02).
- Genesis Medical Group, LLC270 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Zanesville
Clinicians with the same Medicare primary specialty in Zanesville, OH — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154876845 |
| 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