ANN O CONNOR (MD) – Pediatric Surgery Physician, NPI 1154309284
Pediatric Surgery Physician
Main info
Contacts
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for ANN O CONNOR (MD)
Northwestern Medicine Central DuPage Hospital, 25, North Winfield Road, Geneva Road, Winfield, DuPage County, Illinois, 60190, United States
WINFIELD, IL 60190
Phone: (630) 933-6631
Fax: (630) 933-4936
Type: Mailing
25 N. Winfield Road
Winfield, IL 60190
Phone: (630) 933-6631
Fax: (630) 933-4936
Type: Location
333 N SANTA ROSA
SAN ANTONIO, TX 782073108
Phone: (713) 798-1750
Fax: (713) 798-4693
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 20 Open Payments records for all available years, with a total value of $5,603.
Total Amount is formed as General ($5,603) + Research ($0) + Ownership ($0) = $5,603.
Last reported payment date: 2024-09-25 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($5,259).
Total Amount
$5,603
General + Research + Ownership
Payments
20
Total payment records
General Amount
$5,603
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $5,259 |
| Medtronic, Inc. | $285 |
| Baxter Healthcare | $33 |
| Davol Inc. | $26 |
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: 2022-02-03
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 |
|---|---|---|---|---|
| I20220203001483 | I | General Surgery | TX | 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 60190)
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