NPPES file of Aug 9, 2026

Mark Wayne Foust, O.D.

Optometrist · Rock Hill, SC

Mark Wayne Foust, O.D. is an optometrist with a practice address in Rock Hill, South Carolina, and NPI 1588647598, issued on Nov 22, 2005. Check the license (South Carolina 926, as entered in NPPES) with the South Carolina board that licenses this profession; 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
1588647598
Name
Mark Wayne Foust
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
926 SC
Self-reported in NPPES; status is on the state search
Practice location
1507 Ebenezer RD, Rock Hill, SC 29732
Phone
(803) 328-5400
Enumerated
Nov 22, 2005
Record last updated
Oct 30, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicaid ID
D09269 SC
Medicare enrollment
Enrolled (PECOS I20100929001474); accepts Medicare assignment
Medical or professional school
Southern College Of Optometry, 1990
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.
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Verify Mark Wayne Foust in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 926
    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
Find the South Carolina license search

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61% fewer Medicare Part D claims than the average optometrist in 2024

108 Medicare Part D claims for 26 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Mark Foust108
  2. Specialty average277

Most prescribed

  1. Latanoprost65 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 Wayne Foust among 749 optometrist records in South Carolina

Mark Wayne Foust, O.D. is one of 749 optometrist records with a practice address in South Carolina. 77% 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, 89% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1990 · median 2005 among the 463 with a school on file
  • Record last updated2018 · 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 152W00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

29 optometrist records list a practice address in Rock Hill

They are 29 of the 2,271 NPPES records with a practice address in Rock Hill, and 749 optometrist records in South Carolina.

The 8 optometrist records with the nearest ZIP codes

  1. James Blackwell, ODRock Hill, SC 297321770572224
  2. Paul Burt, O.D.Rock Hill, SC 297321902943145
  3. Sakesha Caston, O.D.Rock Hill, SC 297321053365114
  4. Ronald Cedrone, ODRock Hill, SC 297321386633089
  5. Donna Guettler, OPTOMETRISTRock Hill, SC 297321568451664
  6. William Hundley, O.D.Rock Hill, SC 297321003906140
  7. Bonita Miles Mack, O.D.Rock Hill, SC 297321821218835
  8. Craig Murtha, O.D.Rock Hill, SC 297321659472637

Common questions

What is Mark Wayne Foust, O.D.'s NPI number?

Mark Wayne Foust, O.D.'s National Provider Identifier (NPI) is 1588647598, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Wayne Foust, O.D. located?

The NPPES record lists a practice address at 1507 Ebenezer RD, Rock Hill, SC, 29732. Phone: (803) 328-5400. Providers update this record themselves, so call before visiting.

How can I verify Mark Wayne Foust, O.D.'s license?

NPPES lists South Carolina license number 926, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Wayne Foust, O.D. prescribe under Medicare Part D?

In 2024, Mark Wayne Foust, O.D. had 108 Medicare Part D claims for 26 beneficiaries; the average among optometrist prescribers was 277. 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.