DR. WILLIAM F HARTSELL (M.D.) – Radiation Oncology Physician, NPI 1770574881
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. WILLIAM F HARTSELL (M.D.)
Dick's Sporting Goods, 500, Commerce Boulevard, Stroudsburg, Monroe County, Pennsylvania, 18360, United States
OAK BROOK, IL 605238736
Phone: (847) 698-0600
Fax: (847) 698-0600
Type: Mailing
1 SALT CREEK LN
HINSDALE, IL 605212936
Phone: (630) 286-5500
Type: Location
4455, Weaver Parkway, Warrenville, DuPage County, Illinois, 60555, United States
WARRENVILLE, IL 605553269
Phone: (630) 821-6400
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 3 Open Payments records for all available years, with a total value of $78.
Total Amount is formed as General ($78) + Research ($0) + Ownership ($0) = $78.
Last reported payment date: 2024-09-30 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($48).
Total Amount
$78
General + Research + Ownership
Payments
3
Total payment records
General Amount
$78
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $48 |
| Mevion_Medical_Systems_Inc | $30 |
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: 2010-07-02
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 |
|---|---|---|---|---|
| I20100702000093 | 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 |
|---|---|---|---|---|
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 939 | 212 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 280 | 235 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 232 | 106 | $0 |
| 77300 | Calculation of radiation therapy dose | 196 | 76 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 99 | 90 | $0 |
Insurance plans in this area (ZIP 60523)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | IL | 77427 | Radiation treatment management, 5 treatments | 240 | 79 |
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 | |
| Radiation Oncology | IL | |
| - | IL |
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