Quick answers
- Which hospitals does Robert W. Horner Iv work at?
- Medicare's official clinician data lists Robert W. Horner Iv at 2 hospitals: Mount Carmel East & West and Mount Carmel St Ann's. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert W. Horner Iv see patients?
- Medicare's clinician data lists 1 practice location in Westerville, OH. Call before your visit to confirm the address.
- What is Robert W. Horner Iv's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Robert W. Horner Iv accept Medicare assignment?
- Yes. Medicare's clinician data says Robert W. Horner Iv 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 Robert W. Horner Iv?
- (614) 627-1490, as listed in official Medicare / NPI Registry data.
- What is Robert W. Horner Iv's NPI number?
- 1790429751. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert W. Horner Iv works
Medicare's Facility Affiliation Data lists Robert W. Horner Iv at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · CCN 360035
- Mount Carmel St Ann'sWesterville, OH · Acute Care Hospital · CCN 360012
Practice locations
Addresses where Robert W. Horner Iv is enrolled with Medicare (CMS data updated 2026-10-02).
- 495 Cooper Rd, Suite 311Westerville, OH 43081 (614) 627‑1490
Group practices
Medicare enrollment lists Robert W. Horner Iv as a member of this group (CMS data updated 2026-10-02).
- Mount Carmel Healthproviders Inc142 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Westerville
Clinicians with the same Medicare primary specialty in Westerville, OH — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790429751 |
| 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