Mark Allen Denny, M.D.
Emergency Medicine Physician · Columbus, OH
Mark Allen Denny, M.D. is an emergency medicine physician with a practice address in Columbus, Ohio, and NPI 1801863626, issued on Mar 1, 2006. Check the license (Ohio 35079233, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Mark Allen Denny
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 35079233 OH
MD00042292 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2323 W 5TH Ave, Columbus, OH 43204
- Phone
- (614) 224-6420
- Enumerated
- Mar 1, 2006
- Record last updated
- May 16, 2023
- Fax
- (614) 224-6423
- Medicare enrollment
- Enrolled (PECOS I20070717000383); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 2323 W 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Acer, PA-CPhysician Assistant1861850489
- Richard Bower, MDEmergency Medicine Physician1942401765
- Jonathan Brooks, M.D.Emergency Medicine Physician1770561227
- Jennifer Colleran, PA-CPhysician Assistant1699132035
- Eric Drobny, M.D.Emergency Medicine Physician1922086461
- Carynne Fox, M.DEmergency Medicine Physician1316289499
Verify Mark Allen Denny in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35079233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average emergency medicine physician in 2024
185 Medicare Part D claims for 145 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 13 claims were for opioids.
Most prescribed
- Cephalexin29 claims
- Doxycycline Hyclate25 claims
- Prednisone23 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mid-Ohio Emergency Group, LLCMansfield, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Allen Denny among 3,002 emergency medicine physician records in Ohio
Mark Allen Denny, M.D. is one of 3,002 emergency medicine 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 63% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1999 · median 2013 among the 1,720 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
427 emergency medicine physician records list a practice address in Columbus
They are 427 of the 36,491 NPPES records with a practice address in Columbus, and 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Columbus → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Richard Bower, MDColumbus, OH 432041942401765
- Jonathan Brooks, M.D.Columbus, OH 432041770561227
- Timothy Comte, M.D.Columbus, OH 432041821214990
- Eric Drobny, M.D.Columbus, OH 432041922086461
- Alan Gora, M.D.Columbus, OH 432041124006663
- Marc Herdman, M.D.Columbus, OH 432041891773453
- Maureen Joyner, MDColumbus, OH 432041851327068
- Matthew Kellar, M.D.Columbus, OH 432041285612838
Common questions
What is Mark Allen Denny, M.D.'s NPI number?
Mark Allen Denny, M.D.'s National Provider Identifier (NPI) is 1801863626, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Allen Denny, M.D. located?
The NPPES record lists a practice address at 2323 W 5TH Ave, Columbus, OH, 43204. Phone: (614) 224-6420. Providers update this record themselves, so call before visiting.
How can I verify Mark Allen Denny, M.D.'s license?
NPPES lists Ohio license number 35079233, 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 Allen Denny, M.D. prescribe under Medicare Part D?
In 2024, Mark Allen Denny, M.D. had 185 Medicare Part D claims for 145 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Mark Allen Denny, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.