SIMPSON EYE ASSOCIATES LTD – Ophthalmology Physician, NPI 1235376021
Ophthalmology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for SIMPSON EYE ASSOCIATES LTD
650 SPRINGHILL RING RD
SUITE #2020
WEST DUNDEE, IL 601181297
Phone: (847) 426-0227
Fax: (847) 426-0299
Type: Mailing
Hoffman Estates, Prairie Stone Parkway, Hoffman Estates, Barrington Township, Cook County, Illinois, 60179, United States
HOFFMAN ESTATES, IL 60169
Phone: (847) 843-2000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
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 |
|---|---|---|---|---|
| O20040820000087 | O | Clinic/Group Practice | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60118)
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