NPPES file of Aug 9, 2026

Mark C. Leeson, MD

Orthopaedic Surgery Physician · Shelby, OH

Mark C. Leeson, MD is an orthopaedic surgery physician with a practice address in Shelby, Ohio, and NPI 1740268408, issued on Jan 4, 2006. Check the license (Ohio 042998, as entered in NPPES) on the State Medical Board of Ohio; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740268408
Name
Mark C. Leeson
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
042998 OH
Self-reported in NPPES; status is on the state search
Practice location
24 Morris RD, Shelby, OH 44875
Phone
(419) 347-4177
Enumerated
Jan 4, 2006
Record last updated
Jan 25, 2022
Medicaid ID
0061878 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 24 Morris RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joseph Guth, M.D.Orthopaedic Surgery Physician1417918038

Verify Mark C. Leeson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 042998
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Mark C. Leeson among 921 orthopaedic surgery physician records in Ohio

Mark C. Leeson, MD is one of 921 orthopaedic surgery physician records with a practice address in Ohio. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 21% of them.

  • NPI issued2006 · 21% of these records are older, 46% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Ohio

There are 921 orthopaedic surgery physician records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Joseph Guth, M.D.Shelby, OH 448751417918038
  2. James Berry, MDSandusky, OH 448701831170778
  3. Colleen Calvey, M.D.Sandusky, OH 448701477787596
  4. Robert Carlisle, M.D.Sandusky, OH 448701225410905
  5. Michael Felter, MDSandusky, OH 448701629059597
  6. Justin Kelley, D.O.Sandusky, OH 448701205256187
  7. Thomas Olexa, MDSandusky, OH 448701144201088
  8. Kam Wong, PHD MDSandusky, OH 448701528049376

Common questions

What is Mark C. Leeson, MD's NPI number?

Mark C. Leeson, MD's National Provider Identifier (NPI) is 1740268408, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark C. Leeson, MD located?

The NPPES record lists a practice address at 24 Morris RD, Shelby, OH, 44875. Phone: (419) 347-4177. Providers update this record themselves, so call before visiting.

How can I verify Mark C. Leeson, MD's license?

NPPES lists Ohio license number 042998, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.