Skip to content

Erin Gwen Sieck, MD

NPI 1649664129ActiveIndividual· Ophthalmology, Glaucoma Specialist· Saint Louis, MO

Ophthalmology, Glaucoma Specialist (MD) in Saint Louis, Missouri, trained at University of Missouri, Kansas City, School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $374,708 for 5,457 claims, against $154,014 paid for services in 2024. Sight Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $186.60 in all, mostly food and beverage.

Overview

NPI1649664129
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 23, 2015
Last updated in NPPESApr 17, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology, Glaucoma Specialist Primary207WX0009X2019014012MO

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 (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients487
Services billed1,637 across 35 procedure codes
Paid by Medicare$154,014

Part D prescriptions in 2024

Prescriptions (claims)5,457 · 10,267 30-day fills
Patients836
Total drug cost$374,708
Generic share70% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Missouri, Kansas City, School of Medicine
Graduation year2015
Medicare specialtyOphthalmology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$186.60 · 3 payments from 2 companies
  • 2024$1,237 · 5 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Sight Sciences, Inc.$122.841
Glaukos Corporation$63.762

What the 2025 payments were for

  • Food and Beverage$186.60 · 3 payments

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

Other Ophthalmology, Glaucoma Specialist providers in Saint Louis

All Ophthalmology, Glaucoma Specialist providers in Missouri →