WINSTON D RAJENDRAM (M.D.) – Family Medicine Physician, NPI 1659530467
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,037 FAMILY PRACTICE in IL
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Provider Addresses for WINSTON D RAJENDRAM (M.D.)
1850 GATEWAY DR
SYCAMORE, IL 601783192
Phone: (815) 758-8671
Fax: (815) 756-4892
Type: Mailing
1860 PAYSPHERE CIR
CHICAGO, IL 606740018
Phone: (630) 469-9200
Type: Mailing
105, East Main Street, East Dundee, Kane County, Illinois, 60118, United States
EAST DUNDEE, IL 60118
Phone: (847) 428-3322
Type: Location
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 $164.
Total Amount is formed as General ($164) + Research ($0) + Ownership ($0) = $164.
Last reported payment date: 2023-04-06 • Largest payer in this snapshot: Abbott Laboratories ($164).
Total Amount
$164
General + Research + Ownership
Payments
1
Total payment records
General Amount
$164
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $164 |
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: 2008-07-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-12-31 (890 days ago).
Enrollment records
1
Earliest due date
2023-12-31
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 |
|---|---|---|---|---|
| I20080703000426 | I | Family Practice | IL | 2023-12-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 736 | 329 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 255 | 255 | $0 |
| 99497 | Advance care planning, first 30 minutes | 241 | 241 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 216 | 49 | $0 |
| J3420 | Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 198 | 40 | $0 |
Insurance plans in this area (ZIP 60178)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | IL | |
| Vascular Surgery | IL | |
| - | IL | |
| Nurse Practitioner | IL | |
| - | IL | |
| C H I R O P R A C T I C | IL | |
| Family Practice | IL | |
| Physical Medicine And Rehabilitation | CO | |
| - | IL | |
| Hospitalist, Family Practice | IL |
Reviews
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