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Prem Sagar Subramanian, MD, PHD

NPI 1093730673ActiveIndividual· Ophthalmology, Neuro-ophthalmology· Aurora, CO

Ophthalmology, Neuro-ophthalmology (MD, PHD) in Aurora, Colorado, trained at Baylor College of Medicine (class of 1997). In 2024 Medicare paid $39,089 for 194 patients, and Part D covered 95 of their prescriptions, 69% of them generic. Amgen Inc. was the largest of 4 companies reporting payments in 2025, $39,658 in all, mostly consulting fees.

Overview

NPI1093730673
StatusActive
Entity typeIndividual
CredentialMD, PHD
Sole proprietorNo
NPI issuedJul 13, 2006
Last updated in NPPESJan 12, 2026
Certified by providerJan 12, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology, Neuro-ophthalmology Primary207WX0109XDR.0055191CO
Ophthalmology207W00000XD0053757MD
Ophthalmology207W00000XDR.0055191CO

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Diagnostic Radiology (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients194
Services billed545 across 23 procedure codes
Paid by Medicare$39,089

Part D prescriptions in 2024

Prescriptions (claims)95 · 160 30-day fills
Patients31
Total drug cost$8,335
Generic share69% of claims

Medicare sources and data years

Education and affiliations

Medical schoolBaylor College of Medicine
Graduation year1997
Medicare specialtyDiagnostic Radiology
Secondary specialtiesOphthalmology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$39,658 · 28 payments from 4 companies
  • 2024$23,611 · 24 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Amgen Inc.$35,54423
Dompe Farmaceutici S.P.A.$4,0102
Argenx US, Inc.$74.551
Ucb, Inc.$30.002

What the 2025 payments were for

  • Consulting Fee$19,193 · 6 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$18,185 · 5 payments
  • Travel and Lodging$1,452 · 4 payments
  • Food and Beverage$798.44 · 11 payments
  • Education$30.00 · 2 payments

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

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