Quick answers
- Which hospitals does Geoffrey M. Siesel work at?
- Medicare's official clinician data lists Geoffrey M. Siesel 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 Geoffrey M. Siesel see patients?
- Medicare's clinician data lists 1 practice location in Columbus, OH. Call before your visit to confirm the address.
- What is Geoffrey M. Siesel's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Geoffrey M. Siesel accept Medicare assignment?
- Yes. Medicare's clinician data says Geoffrey M. Siesel 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 Geoffrey M. Siesel?
- (614) 293-8315, as listed in official Medicare / NPI Registry data.
- What is Geoffrey M. Siesel's NPI number?
- 1801116744. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Geoffrey M. Siesel works
Medicare's Facility Affiliation Data lists Geoffrey M. Siesel 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 Geoffrey M. Siesel is enrolled with Medicare (CMS data updated 2026-10-02).
- 395 W 12th Ave, Rm 460Columbus, OH 43210 (614) 293‑8315
Group practices
Medicare enrollment lists Geoffrey M. Siesel as a member of this group (CMS data updated 2026-10-02).
- OSU Radiology LLC191 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801116744 |
| 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