WOOSUK STEVE YOON (M.D.) – Ophthalmology Physician, NPI 1295844934
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
958 OPHTHALMOLOGY in IL
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Provider Addresses for WOOSUK STEVE YOON (M.D.)
6785, Weaver Road, Rockford, Winnebago County, Illinois, 61114, United States
STE D
ROCKFORD, IL 611148055
Phone: (815) 227-0077
Fax: (815) 227-5886
Type: Mailing
4777, East State Street, Rockford, Winnebago County, Illinois, 61108, United States
ROCKFORD, IL 611082273
Phone: (815) 227-0077
Fax: (815) 227-5886
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $896.
Total Amount is formed as General ($896) + Research ($0) + Ownership ($0) = $896.
Last reported payment date: 2023-02-24 • Largest payer in this snapshot: Carl Zeiss Meditec USA, Inc. ($896).
Total Amount
$896
General + Research + Ownership
Payments
1
Total payment records
General Amount
$896
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-02-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Carl Zeiss Meditec USA, Inc. | $896 |
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: 2005-05-19
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 |
|---|---|---|---|---|
| I20050519000687 | 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 |
|---|---|---|---|---|
| 66984 | Removal of cataract with insertion of prosthetic lens | 446 | 170 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 303 | 303 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 191 | 191 | $0 |
| 92012 | Established patient problem focused exam of visual system | 169 | 90 | $0 |
| 92014 | Established patient complete exam of visual system | 165 | 160 | $0 |
Insurance plans in this area (ZIP 61114)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | IL | |
| O P T O M E T R Y | IL | |
| O P H T H A L M O L O G Y | WI | |
| O P H T H A L M O L O G Y | IN | |
| O P T O M E T R Y | IL |
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