Dr. Erin G. Sieck
- Gender: Female
- Experience: 6 years
- Graduated from: University Of Missouri, Kansas City, School Of Medicine
- Graduation year: 2015
- Sole propriator: No
- NPI: 1649664129
Dr. Erin G. Sieck MD
Ophthalmologist
She is located at 517 South Euclid Avenue Dept Opthalmology, 1st Fl in Saint Louis, MO 63110. Can help patients with the following: Binocular Dysfunction (BVD), Esotropia, Eye Floaters, Oculomotor Dysfunction, Optic Neuritis, Presbyopia. Her National Provider Identifier (NPI) number is 1649664129. Appointment can be made via the phone number (314) 362-3431. She is affiliated with 1 hospitals.
Conditions treated
Dr. Erin Gwen Sieck, being an ophthalmologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Erin G. Sieck.
- Astigmatism
- Binocular Dysfunction (BVD)
- Blepharitis
- Blindness
- Cataracts
- Chalazion
- Color Blindness
- Corneal Disease
- Corneal Ulcer
- Crossed Eyes
- Diabetic Retinopathy
- Double Vision
- Dry Eyes
- Esotropia
- Exotropia
- Eye Floaters
- Eye Strain
- Farsightedness
- Glaucoma
- Herpes of the Eye
- Hypertropia
- Keratitis
- Keratoconus
- LASIK
- Lazy Eye
- Macular Degeneration
- Nearsightedness
- Oculomotor Dysfunction
- Optic Neuritis
- Pink Eye
- Presbyopia
- Retinal Detachment
- Retinitis Pigmentosa (RP)
- Scleritis
- Sty
- Subconjunctival Hemorrhage
- Tunnel Vision
- Usher Syndrome
- Uveitis
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Erin G. Sieck as in-network for the following 2026 plans.
Health plans
Cox HealthPlans
Network data as of Sep 11, 2026, as reported by the insurer.
Show all 7 plans from Cox HealthPlans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Cox HealthPlans Bronze Expanded Standard | EPO · Expanded Bronze | EPO | Accepting new patients |
| Cox HealthPlans Bronze Preferred | EPO · Bronze | EPO | Accepting new patients |
| Cox HealthPlans Gold Preferred | EPO · Gold | EPO | Accepting new patients |
| Cox HealthPlans Gold Standard | EPO · Gold | EPO | Accepting new patients |
| Cox HealthPlans Silver Connect | EPO · Silver | EPO | Accepting new patients |
| Cox HealthPlans Silver Preferred | EPO · Silver | EPO | Accepting new patients |
| Cox HealthPlans Silver Standard | EPO · Silver | EPO | Accepting new patients |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 13 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential (No Referrals) | EPO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard+ (Dental + Vision, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Erin G. Sieck is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Erin G. Sieck is enrolled to bill Medicare as a Practitioner - Ophthalmology .
Bills through: Washington University
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Alcon | $108 |
| Genentech | $81 |
Other
| Food and Beverage | $190 |
Studies
UNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated in 2015Additional Specialities
- Resident
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Questions & Answers
Has Dr. Erin Gwen Sieck affiliation with hospitals?
Dr. Erin Gwen Sieck is affiliated with BARNES JEWISH HOSPITAL.
Where can you meet with Dr. Erin Gwen Sieck?
Dr. Erin Gwen Sieck's office is located at 517 South Euclid Avenue Dept Opthalmology, 1st Fl in Saint Louis, MO 63110.
Does Dr. Erin Gwen Sieck accept insurance?
Dr. Erin Gwen Sieck is listed in-network for 20 ACA Marketplace (Obamacare/HealthCare.gov) plans from Cox HealthPlans, UnitedHealthcare. See the Marketplace plans section for details.
What conditions does Dr. Erin Gwen Sieck treat?
Dr. Erin Gwen Sieck provides treatment for Binocular Dysfunction (BVD), Esotropia, Eye Floaters, Oculomotor Dysfunction, Optic Neuritis, Presbyopia. For the full list see this list.