Stephen Ionna, M.D.
NPI 1174527659 · Gastroenterology Physician · Cincinnati, OH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Ionna, M.D. is a Gastroenterology Physician provider in Cincinnati, OH (NPI 1174527659).
Provider details
- NPI number
- 1174527659
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35-052611 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,104 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 298 | $238 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 202 | $117 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 127 | $172 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 113 | $121 |
| Dilation of Esophagus43450 | 97 | $37 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High Risk |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 472 | 155 |
| Omeprazole | 142 | 61 |
| Famotidine | 72 | 28 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 61 | 15 |
| Dicyclomine Hcl | 49 | 22 |
| Metoclopramide Hcl | 39 | 16 |
| Linaclotidebrand: Linzess | 36 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$572 across 47 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-13
- Last updated
- 2024-03-29
- Certified
- 2024-03-29
Frequently asked questions
- What is Stephen Ionna's NPI number?
- Stephen Ionna's National Provider Identifier (NPI) is 1174527659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Ionna's specialty?
- Stephen Ionna is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Ionna located?
- Stephen Ionna's practice location on file with NPPES is 7661 Beechmont Ave Ste 120, Cincinnati, OH 45255-4234.
- What is Stephen Ionna's phone number?
- The practice phone number listed in the NPPES registry for Stephen Ionna is (513) 231-9010.
- Does Stephen Ionna accept Medicare?
- Stephen Ionna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Ionna's NPI active?
- Yes — Stephen Ionna's NPI (1174527659) is active in the NPPES registry as of the last update on 2024-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.