DR. WILLIAM JOHN IV PARKES (M.D.) – Pediatric Otolaryngology Physician, NPI 1821231028
Pediatric Otolaryngology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. WILLIAM JOHN IV PARKES (M.D.)
Nemours/Alfred I. duPont Hospital for Children, 1600, Rockland Road, Wilmington, New Castle County, Delaware, 19803, United States
WILMINGTON, DE 19803
Phone: (215) 498-2493
Type: Location
191, Mill Street, Rockport, Knox County, Maine, 04856, United States
ROCKLAND, DE 197320191
Phone: (302) 651-4200
Fax: (302) 651-5835
Type: Mailing
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 $86.
Total Amount is formed as General ($86) + Research ($0) + Ownership ($0) = $86.
Last reported payment date: 2024-07-26 • Largest payer in this snapshot: iotaMotion, Inc. ($86).
Total Amount
$86
General + Research + Ownership
Payments
1
Total payment records
General Amount
$86
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| iotaMotion, Inc. | $86 |
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: 2017-08-04
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 |
|---|---|---|---|---|
| I20170804001055 | I | Otolaryngology | NJ | 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 19803)
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Reviews
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