DR. GREGORY PAUL VANSTAVERN (MD) – Neuro-ophthalmology Physician, NPI 1134166051
Neuro-ophthalmology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
444 OPHTHALMOLOGY in MO
Provider Addresses for DR. GREGORY PAUL VANSTAVERN (MD)
PO BOX 7412011
CHICAGO, IL 606742011
Phone: (314) 362-3937
Fax: (314) 362-3725
Type: Mailing
4901 FOREST PARK AVE
DEPT OPHTHALMOLOGY, 6TH FL
SAINT LOUIS, MO 631081495
Phone: (314) 362-3937
Fax: (314) 362-3725
Type: Location
660, South Euclid Avenue, Central West End, City of Saint Louis, Missouri, 63110, United States
CB 8096
SAINT LOUIS, MO 631101010
Phone: (314) 362-3937
Fax: (314) 362-3725
Type: Mailing
Forest Park Avenue, Midtown, City of Saint Louis, Missouri, 63108, United States
6TH FL
SAINT LOUIS, MO 631081402
Phone: (314) 362-3937
Fax: (314) 362-3725
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $92.
Total Amount is formed as General ($92) + Research ($0) + Ownership ($0) = $92.
Last reported payment date: 2023-10-14 • Largest payer in this snapshot: PFIZER INC. ($92).
Total Amount
$92
General + Research + Ownership
Payments
2
Total payment records
General Amount
$92
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $92 |
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: 2009-04-08
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 |
|---|---|---|---|---|
| I20090408000555 | 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 |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 173 | 145 | $0 |
| 92134 | Imaging of retina | 160 | 143 | $0 |
| 92083 | Exam of visual field with extended testing | 150 | 126 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 115 | 115 | $0 |
| 92060 | Exam to measure eye deviation and range of motion | 46 | 37 | $0 |
Insurance plans in this area (ZIP 60674)
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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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