CLINTON CHARLES WARREN (M.D.) – Ophthalmology Physician, NPI 1902162076
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
388 OPHTHALMOLOGY in WI
Provider Addresses for CLINTON CHARLES WARREN (M.D.)
925 N 87th St
The Eye Institute
Milwaukee, WI 532264812
Phone: (414) 456-2020
Fax: (414) 456-6300
Type: Location
925 N 87TH ST
THE EYE INSTITUTE
MILWAUKEE, WI 532264812
Phone: (414) 456-2020
Fax: (414) 456-6300
Type: Mailing
5017 GREEN BAY RD STE 148
KENOSHA, WI 531441782
Phone: (262) 420-5888
Fax: (262) 420-5888
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 34 Open Payments records for all available years, with a total value of $1,334.
Total Amount is formed as General ($1,334) + Research ($0) + Ownership ($0) = $1,334.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($544).
Total Amount
$1,334
General + Research + Ownership
Payments
34
Total payment records
General Amount
$1,334
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2016-07-11
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 |
|---|---|---|---|---|
| I20160711001305 | I | Ophthalmology | WI | 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 |
|---|---|---|---|---|
| 92134 | Imaging of retina | 429 | 198 | $0 |
| J0178 | Injection, aflibercept, 1 mg | 244 | 44 | $0 |
| 92004 | New patient complete exam of visual system | 234 | 234 | $0 |
| 67028 | Injection of drug into eye | 217 | 69 | $0 |
| 92012 | Established patient problem focused exam of visual system | 128 | 88 | $0 |
Insurance plans in this area (ZIP 53226)
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