Mark E. Jonas, M.D.
Gastroenterology Physician · Cincinnati, OH
Mark E. Jonas, M.D. is a gastroenterology physician with a practice address in Cincinnati, Ohio, and NPI 1144219957, issued on Oct 14, 2005. Check the license (Ohio 35074854, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mark E. Jonas
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 35074854 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2925 Vernon PL, Cincinnati, OH 45219
- Phone
- (513) 751-6667
- Enumerated
- Oct 14, 2005
- Record last updated
- Jun 25, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (513) 872-4553
- Medicaid ID
- 02065947 OH
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 741 in Ohio → Look up another NPI →
Also registered at 2925 Vernon PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pradeep Kumar Bekal, M.D.Gastroenterology Physician1730178633
- Betsy Brogan, D.P.MPodiatrist1851316798
- Manish Chokshi, M.D.Gastroenterology Physician1780673608
- Kevin Cronley, M.D.Gastroenterology Physician1295979102
- John Czarnecki, M.D.Gastroenterology Physician1932198645
- James Fry, PA-CMedical Physician Assistant1891710273
Verify Mark E. Jonas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35074854Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,184 Medicare Part D claims for 428 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium317 claims
- Ursodiol161 claims
- Famotidine110 claims
- Omeprazole103 claims
- Prednisone95 claims
- Colestipol Hcl85 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $909.22
70 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark E. Jonas among 741 gastroenterology physician records in Ohio
Mark E. Jonas, M.D. is one of 741 gastroenterology physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 78% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2010 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Ohio
There are 741 gastroenterology physician records in Ohio.
All 741 in Ohio → Every provider in Cincinnati → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Pradeep Kumar Bekal, M.D.Cincinnati, OH 452191730178633
- Manish Chokshi, M.D.Cincinnati, OH 452191780673608
- John Czarnecki, M.D.Cincinnati, OH 452191932198645
- Kim Jurell, M.D.Cincinnati, OH 452191114916012
- Michael Kreines, M.D.Cincinnati, OH 452191194714907
- Lisa Lestina, M.D.Cincinnati, OH 452191548259468
- David Mangels, M.D.Cincinnati, OH 452191528057437
- Ross McHenry, M.D.Cincinnati, OH 452191720084353
Common questions
What is Mark E. Jonas, M.D.'s NPI number?
Mark E. Jonas, M.D.'s National Provider Identifier (NPI) is 1144219957, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark E. Jonas, M.D. located?
The NPPES record lists a practice address at 2925 Vernon PL, Cincinnati, OH, 45219. Phone: (513) 751-6667. Providers update this record themselves, so call before visiting.
How can I verify Mark E. Jonas, M.D.'s license?
NPPES lists Ohio license number 35074854, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark E. Jonas, M.D. prescribe under Medicare Part D?
In 2024, Mark E. Jonas, M.D. had 2,184 Medicare Part D claims for 428 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.