DR. WILLIAM C. PARK (M.D.) – Ophthalmology Physician, NPI 1942458237
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 DR. WILLIAM C. PARK (M.D.)
EDWARD HINES JR VA HOSPITAL
BUILDING 200, RM A153
HINES, IL 60141
Phone: (708) 202-8387
Fax: (708) 202-2175
Type: Mailing
North Arlington Heights Road, Arlington Heights, Wheeling Township, Cook County, Illinois, 60004, United States
ARLINGTON HEIGHTS, IL 600043906
Phone: (847) 392-9220
Fax: (847) 392-9252
Type: Location
1300 N HIGHLAND AVE STE 1
AURORA, IL 605061481
Phone: (630) 897-5104
Fax: (630) 897-5089
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 $801.
Total Amount is formed as General ($801) + Research ($0) + Ownership ($0) = $801.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Salix Pharmaceuticals, a division of Bausch Health US, LLC ($195).
Total Amount
$801
General + Research + Ownership
Payments
34
Total payment records
General Amount
$801
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
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: 2009-02-05
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 |
|---|---|---|---|---|
| I20090205000231 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 60141)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| 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 |
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