Quick answers
- Which hospitals does Stephanus V. Viljoen work at?
- Medicare's official clinician data lists Stephanus V. Viljoen at 1 hospital: Ohio State University State Health System. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephanus V. Viljoen see patients?
- Medicare's clinician data lists 8 practice locations, including Dublin, OH and Columbus, OH. Call before your visit to confirm the address.
- What is Stephanus V. Viljoen's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Stephanus V. Viljoen accept Medicare assignment?
- Yes. Medicare's clinician data says Stephanus V. Viljoen 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.
- Does Stephanus V. Viljoen offer telehealth?
- Medicare's clinician data says Stephanus V. Viljoen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stephanus V. Viljoen?
- (614) 366-5001, as listed in official Medicare / NPI Registry data.
- What is Stephanus V. Viljoen's NPI number?
- 1659506871. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephanus V. Viljoen works
Medicare's Facility Affiliation Data lists Stephanus V. Viljoen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · CCN 360085
Practice locations
Addresses where Stephanus V. Viljoen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 3900 Stoneridge LnDublin, OH 43017 (614) 366‑5001
- 410 W 10th AveColumbus, OH 43210 (614) 293‑8000
- 410 W 10th Ave, Doan 110Columbus, OH 43210
- 450 W 10th AveColumbus, OH 43210 (614) 293‑8000
- 452 W 10th AveColumbus, OH 43210 (614) 293‑8000
Group practices
Medicare enrollment lists Stephanus V. Viljoen as a member of this group (CMS data updated 2026-10-02).
- OSU Internal Medicine LLC1,161 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in Dublin
Clinicians with the same Medicare primary specialty in Dublin, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1659506871 |
| 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