DR. ERIN GWEN SIECK (MD) – Glaucoma Specialist (Ophthalmology) Physician, NPI 1649664129
Glaucoma Specialist (Ophthalmology) Physician
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Profile Insights
NPPES metrics only — not quality of care.
444 OPHTHALMOLOGY in MO
Provider Addresses for DR. ERIN GWEN SIECK (MD)
660 S EUCLID AVE
CB 8096
SAINT LOUIS, MO 631101010
Phone: (314) 747-5380
Fax: (314) 747-5375
Type: Mailing
PO BOX 7412011
CHICAGO, IL 606742011
Phone: (314) 362-3431
Fax: (314) 362-6564
Type: Mailing
517 S EUCLID AVE
DEPT OPTHALMOLOGY, 1ST FL
SAINT LOUIS, MO 631101007
Phone: (314) 362-3431
Fax: (314) 362-6564
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $2,878.
Total Amount is formed as General ($2,878) + Research ($0) + Ownership ($0) = $2,878.
Last reported payment date: 2024-06-11 • Largest payer in this snapshot: ABBVIE INC. ($1,698).
Total Amount
$2,878
General + Research + Ownership
Payments
11
Total payment records
General Amount
$2,878
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,698 |
| Alcon Research LLC | $1,046 |
| Alcon Vision LLC | $133 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2019-06-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20190618000156 | I | Ophthalmology | MO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 595 | 374 | $0 |
| 92083 | Exam of visual field with extended testing | 385 | 356 | $0 |
| 92133 | Imaging of optic nerve | 306 | 288 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 217 | 175 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 108 | 86 | $0 |
Insurance plans in this area (ZIP 63110)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| - | MO | |
| - | FL | |
| - | MO | |
| Diagnostic Radiology | IL | |
| - | IL | |
| - | MO | |
| - | MO | |
| - | MO | |
| - | MO |
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