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Mark J. Ross, M.D.

NPI 1508869090ActiveIndividual· Ophthalmology· Florence, SC

Ophthalmology (M.D.) in Florence, South Carolina, trained at Georgetown University School of Medicine (class of 1977). In 2024 Medicare paid $355,493 for 1,893 patients, and Part D covered 6,527 of their prescriptions, 69% of them generic. Ani Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $109.28 in all, mostly food and beverage.

Overview

NPI1508869090
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 27, 2005
Last updated in NPPESOct 13, 2026
Certified by providerOct 13, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000X11764SC

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Ophthalmology (SC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,893
Services billed4,263 across 52 procedure codes
Paid by Medicare$355,493

Part D prescriptions in 2024

Prescriptions (claims)6,527 · 11,857 30-day fills
Patients1,280
Total drug cost$507,102
Generic share69% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeorgetown University School of Medicine
Graduation year1977
Medicare specialtyOphthalmology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$109.28 · 5 payments from 3 companies
  • 2024$21.97 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Ani Pharmaceuticals, Inc.$76.683
Bausch & Lomb Americas Inc.$17.221
Abbvie Inc.$15.381

What the 2025 payments were for

  • Food and Beverage$109.28 · 5 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Ophthalmology providers in Florence

All Ophthalmology providers in South Carolina →