DR. STEPHEN C GIESER (M.D.) – Ophthalmology Physician, NPI 1851389787
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
958 OPHTHALMOLOGY in IL
Provider Addresses for DR. STEPHEN C GIESER (M.D.)
2015, North Main Street, Wheaton, DuPage County, Illinois, 60187, United States
WHEATON, IL 601873152
Phone: (630) 668-8250
Fax: (630) 668-8916
Type: Mailing
3860 W Ogden Ave
Chicago, IL 606232460
Phone: (872) 588-3000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $311.
Total Amount is formed as General ($311) + Research ($0) + Ownership ($0) = $311.
Last reported payment date: 2024-10-15 • Largest payer in this snapshot: Glaukos Corporation ($132).
Total Amount
$311
General + Research + Ownership
Payments
9
Total payment records
General Amount
$311
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Glaukos Corporation | $132 |
| ABBVIE INC. | $76 |
| Alcon Vision LLC | $55 |
| Thea Pharma Inc. | $24 |
| Bausch & Lomb Americas Inc. | $24 |
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: 2010-04-22
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 |
|---|---|---|---|---|
| I20100422000999 | I | Ophthalmology | IL | 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 | 1,219 | 684 | $0 |
| 92133 | Imaging of optic nerve | 614 | 598 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 573 | 553 | $0 |
| 92083 | Exam of visual field with extended testing | 534 | 496 | $0 |
| 92250 | Photography of the retina | 228 | 226 | $0 |
Insurance plans in this area (ZIP 60187)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | OH | |
| O P H T H A L M O L O G Y | IL | |
| O P H T H A L M O L O G Y | IL | |
| O P H T H A L M O L O G Y | IL | |
| O P H T H A L M O L O G Y | IL | |
| O P H T H A L M O L O G Y | IL | |
| O P T O M E T R Y | IL | |
| - | IL | |
| O P H T H A L M O L O G Y | IL | |
| - | IL |
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