REHAM ABDOU (M.D) – Pediatric Gastroenterology Physician, NPI 1629350855
Pediatric Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,159 PEDIATRIC MEDICINE in IL
Provider Addresses for REHAM ABDOU (M.D)
1725 W HARRISON ST STE 710
CHICAGO, IL 606123863
Phone: (312) 942-3034
Type: Mailing
5300 E ERICKSON DR STE 100
TUCSON, AZ 857122809
Phone: (520) 324-7200
Fax: (520) 324-7201
Type: Location
PO BOX 31235
TUCSON, AZ 857511235
Phone: (520) 324-4100
Fax: (520) 324-1406
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 21 Open Payments records for all available years, with a total value of $962.
Total Amount is formed as General ($962) + Research ($0) + Ownership ($0) = $962.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: AIMMUNE THERAPEUTICS, INC. ($355).
Total Amount
$962
General + Research + Ownership
Payments
21
Total payment records
General Amount
$962
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
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: 2018-10-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20170824000782 | I | Pediatric Medicine | NY | TBD |
| I20181023000673 | I | Pediatric Medicine | AZ | 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 60612)
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