Mark JonasM.D.
Gastroenterology·Cincinnati, OH
Mark Jonas, M.D. is a Gastroenterology provider in Cincinnati, OH affiliated with 1 ambulatory surgery center in OH, as of July 2026.
- NPI1144219957
- Registered2005
- Centers1
- StateOH
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
Mark Jonas at a glance
- Provider
- Mark Jonas
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Cincinnati, OH
- NPI registered
- 2005
- NPI
- 1144219957
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Mark Jonas practice?
Mark Jonas, M.D. is based in Cincinnati, OH and is affiliated with 1 ambulatory surgery center: Hsc Surgical Associates Of Cincinnati LLC in Cincinnati, OH. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mark Jonas's NPI number?
Mark Jonas's National Provider Identifier (NPI) is 1144219957, registered in 2005. Specialty on record: Gastroenterology; credential M.D.
How many Gastroenterology providers in Ohio work at ambulatory surgery centers?
184 Gastroenterology surgeons and proceduralists in Ohio are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Mark Jonas among them. The Ohio Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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