Quick answers
- Which hospitals does Thomas E. Sonnanstine Iv work at?
- Medicare's official clinician data lists Thomas E. Sonnanstine Iv at 2 hospitals: Grant Medical Center and Riverside Methodist Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas E. Sonnanstine Iv see patients?
- Medicare's clinician data lists 1 practice location in Columbus, OH. Call before your visit to confirm the address.
- What is Thomas E. Sonnanstine Iv's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Thomas E. Sonnanstine Iv accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas E. Sonnanstine 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.
- Does Thomas E. Sonnanstine Iv offer telehealth?
- Medicare's clinician data says Thomas E. Sonnanstine Iv offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Thomas E. Sonnanstine Iv?
- (514) 566-2680, as listed in official Medicare / NPI Registry data.
- What is Thomas E. Sonnanstine Iv's NPI number?
- 1396852927. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas E. Sonnanstine Iv works
Medicare's Facility Affiliation Data lists Thomas E. Sonnanstine Iv at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grant Medical CenterColumbus, OH · Acute Care Hospital · CCN 360017
- Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · CCN 360006
Practice locations
Addresses where Thomas E. Sonnanstine Iv is enrolled with Medicare (CMS data updated 2026-10-02).
- 3773 Olentangy River RdColumbus, OH 43214 (514) 566‑2680
Group practices
Medicare enrollment lists Thomas E. Sonnanstine Iv as a member of this group (CMS data updated 2026-10-02).
- OhioHealth Corporation2,314 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northeastern Ohio University College Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1396852927 |
| 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