DR. IAN WALKER WINTER (MD) – Radiation Oncology Physician, NPI 1013413285
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
312 RADIATION ONCOLOGY in IL
Provider Addresses for DR. IAN WALKER WINTER (MD)
3815 Highland Ave
Downers Grove, IL 605151500
Phone: (630) 275-2300
Type: Location
1700 LUTHER LN
PARK RIDGE, IL 600681270
Phone: (847) 723-8030
Type: Location
3815 HIGHLAND AVE
DOWNERS GROVE, IL 605151500
Phone: (630) 275-2300
Type: Location
700 COMMERCE DR STE 500
OAK BROOK, IL 605238736
Phone: (847) 698-0600
Fax: (847) 698-0601
Type: Mailing
West Grace Street, Pine Grove, Lake View, Lakeview, Chicago, Lake View Township, Cook County, Illinois, 60613, United States
CHICAGO, IL 606183646
Phone: (630) 347-8864
Type: Mailing
Presence Saint Francis Hospital, 355, Ridge Avenue, South Evanston, Evanston, Evanston Township, Cook County, Illinois, 60202, United States
EVANSTON, IL 602023328
Phone: (847) 316-4000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $163.
Total Amount is formed as General ($163) + Research ($0) + Ownership ($0) = $163.
Last reported payment date: 2023-10-09 • Largest payer in this snapshot: Elekta, Inc. ($146).
Total Amount
$163
General + Research + Ownership
Payments
3
Total payment records
General Amount
$163
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Elekta, Inc. | $146 |
| Boston Scientific Corporation | $16 |
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: 2023-06-13
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 |
|---|---|---|---|---|
| I20230613001306 | I | Radiation Oncology | IL | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 243 | 51 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 85 | 53 | $0 |
| 77300 | Calculation of radiation therapy dose | 70 | 24 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 66 | 34 | $0 |
| 77263 | Complex radiation therapy planning | 35 | 34 | $0 |
Insurance plans in this area (ZIP 60515)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | NY | |
| Radiation Oncology | IL | |
| - | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| - | IL | |
| Radiation Oncology | IL |
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