Quick answers
- Which hospitals does Stephen L. Ionna work at?
- Medicare's official clinician data lists Stephen L. Ionna at 3 hospitals: Christ Hospital, Mercy Health - Clermont Hospital and Mercy Health-Anderson Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen L. Ionna see patients?
- Medicare's clinician data lists 1 practice location in Cincinnati, OH. Call before your visit to confirm the address.
- What is Stephen L. Ionna's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Stephen L. Ionna accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen L. Ionna 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 Stephen L. Ionna?
- (513) 231-9010, as listed in official Medicare / NPI Registry data.
- What is Stephen L. Ionna's NPI number?
- 1174527659. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen L. Ionna works
Medicare's Facility Affiliation Data lists Stephen L. Ionna at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Christ HospitalCincinnati, OH · Acute Care Hospital · CCN 360163
- Mercy Health - Clermont HospitalBatavia, OH · Acute Care Hospital · CCN 360236
- Mercy Health-Anderson HospitalCincinnati, OH · Acute Care Hospital · CCN 360001
Practice locations
Addresses where Stephen L. Ionna is enrolled with Medicare (CMS data updated 2026-10-02).
- 7661 Beechmont Ave, Suite 120Cincinnati, OH 45255 (513) 231‑9010
Group practices
Medicare enrollment lists Stephen L. Ionna as a member of this group (CMS data updated 2026-10-02).
- Greater Cincinnati Digestive Health Network14 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Cincinnati
Clinicians with the same Medicare primary specialty in Cincinnati, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Cincinnati College Of Medicine |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174527659 |
| 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