NPPES file of Aug 9, 2026

Mark Simon, MD

Ophthalmology Physician · Winchester, KY

Mark Simon, MD is an ophthalmology physician with a practice address in Winchester, Kentucky, and NPI 1538110572, issued on May 15, 2006. Check the license (Kentucky 29402, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538110572
Name
Mark Simon
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
29402 KY
Self-reported in NPPES; status is on the state search
Practice location
225 Hospital Dr Ste 160, Winchester, KY 40391
Phone
(859) 744-3937
Enumerated
May 15, 2006
Record last updated
Jul 11, 2022
Fax
(859) 744-3941
Medicaid ID
64294028 KY
Medicare enrollment
Enrolled (PECOS I20040720000181); accepts Medicare assignment
Medical or professional school
University Of Kentucky College Of Medicine, 1989
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 225 Hospital Dr Ste 160

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

  1. Aaron Mullins, ODOptometrist1124648761
  2. Laurence Riel, ODOptometrist1770465775

Verify Mark Simon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 29402
    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 Kentucky 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.

60% fewer Medicare Part D claims than the average ophthalmology physician in 2024

608 Medicare Part D claims for 182 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. Mark Simon608
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate308 claims
  2. Ofloxacin270 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.

Mark Simon among 239 ophthalmology physician records in Kentucky

Mark Simon, MD is one of 239 ophthalmology physician records with a practice address in Kentucky. 81% 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 26% of them.

  • NPI issued2006 · 26% of these records are older, 45% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1989 · median 2001 among the 157 with a school on file
  • Record last updated2022 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Kentucky

There are 239 ophthalmology physician records in Kentucky.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Daniel Ewen, MDWinchester, KY 403921558428359
  2. William Baas, M.D.Danville, KY 404221265751200
  3. Barton Ramsey, MDDanville, KY 404221336180348
  4. Arthur Rivard, MDDanville, KY 404221942210554
  5. Manan SampatDanville, KY 404221336503820
  6. Linda Katz, M.D.Nicholasville, KY 403561053315705
  7. Micheal Minix, MDNicholasville, KY 403561114132834
  8. James Gullett, M.D.Georgetown, KY 403241073748158

Common questions

What is Mark Simon, MD's NPI number?

Mark Simon, MD's National Provider Identifier (NPI) is 1538110572, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Simon, MD located?

The NPPES record lists a practice address at 225 Hospital Dr Ste 160, Winchester, KY, 40391. Phone: (859) 744-3937. Providers update this record themselves, so call before visiting.

How can I verify Mark Simon, MD's license?

NPPES lists Kentucky license number 29402, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Simon, MD prescribe under Medicare Part D?

In 2024, Mark Simon, MD had 608 Medicare Part D claims for 182 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.