DR. ANDREW YOOWON LEE (M.D.) – Radiation Oncology Physician, NPI 1407118359
Radiation Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
312 RADIATION ONCOLOGY in IL
Provider Addresses for DR. ANDREW YOOWON LEE (M.D.)
700 COMMERCE DR STE 500
OAK BROOK, IL 605238736
Phone: (847) 698-0600
Fax: (847) 698-0601
Type: Mailing
27750 W STATE ROUTE 22 STE G50
BARRINGTON, IL 600101948
Phone: (478) 842-0300
Fax: (847) 842-0370
Type: Location
4455 Weaver Pkwy
Warrenville, IL 605553940
Phone: (630) 821-6430
Fax: (888) 678-4915
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $693.
Total Amount is formed as General ($693) + Research ($0) + Ownership ($0) = $693.
Last reported payment date: 2024-11-06 • Largest payer in this snapshot: Bard Peripheral Vascular, Inc. ($400).
Total Amount
$693
General + Research + Ownership
Payments
7
Total payment records
General Amount
$693
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bard Peripheral Vascular, Inc. | $400 |
| Teleflex LLC | $267 |
| Argentum Medical | $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: 2019-03-18
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 |
|---|---|---|---|---|
| I20190318001438 | 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 | 684 | 81 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 271 | 99 | $0 |
| 77300 | Calculation of radiation therapy dose | 245 | 73 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 244 | 93 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 240 | 186 | $0 |
Insurance plans in this area (ZIP 60523)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | IL | |
| Radiation Oncology | NY | |
| Radiation Oncology | IL | |
| - | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| Radiation Oncology | IL | |
| - | IL | |
| Radiation Oncology | IL |
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