RABAIL MAHMOOD SADIQ (MD) – Hospitalist Physician, NPI 1285155994
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
222 ENDOCRINOLOGY in CT
Provider Addresses for RABAIL MAHMOOD SADIQ (MD)
34 Maple Street
Norwalk, CT 06850
Phone: (203) 852-2025
Type: Location
6201 GREENLEIGH AVE FL 2
MIDDLE RIVER, MD 212202004
Phone: (410) 933-0000
Type: Mailing
5755 CEDAR LN
COLUMBIA, MD 210442912
Phone: (410) 720-8695
Fax: (410) 720-8580
Type: Location
Norwalk Hospital, 34, Maple Street, Clarmont, Norwalk, Fairfield County, Connecticut, 06856, United States
NORWALK, CT 068503815
Phone: (203) 852-2025
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 $121.
Total Amount is formed as General ($121) + Research ($0) + Ownership ($0) = $121.
Last reported payment date: 2024-02-22 • Largest payer in this snapshot: Alexion Pharmaceuticals, Inc. ($121).
Total Amount
$121
General + Research + Ownership
Payments
1
Total payment records
General Amount
$121
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alexion Pharmaceuticals, Inc. | $121 |
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: 2025-05-28
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 |
|---|---|---|---|---|
| I20250423003205 | I | Endocrinology | MD | TBD |
| I20250528002446 | I | Endocrinology | DC | 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 06850)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | MD | |
| Nurse Practitioner | MD | |
| E N D O C R I N O L O G Y | NY | |
| Physician Assistant | MD | |
| E N D O C R I N O L O G Y | MD | |
| E N D O C R I N O L O G Y | VA | |
| Endocrinology, Internal Medicine | MI | |
| E N D O C R I N O L O G Y | MD | |
| Endocrinology, Internal Medicine | MD |
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