DR. CAROL MARIE GRABOWSKI (MD) – Radiation Oncology Physician, NPI 1669582532
Radiation Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. CAROL MARIE GRABOWSKI (MD)
4100 State Highway 66
Stevens Point, WI 544828410
Phone: (715) 343-7730
Type: Location
3232, North Ballard Road, Northeast Business Park, Appleton, Outagamie County, Wisconsin, 54911, United States
SUITE 200
APPLETON, WI 549118804
Phone: (920) 749-9668
Fax: (920) 734-5307
Type: Mailing
3925, North Gateway Drive, Appleton, Outagamie County, Wisconsin, 54913, United States
APPLETON, WI 549137863
Phone: (920) 749-1171
Fax: (920) 749-1172
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2016-01-20
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 |
|---|---|---|---|---|
| I20050316000688 | I | Radiation Oncology | MN | TBD |
| I20160120001936 | I | Radiation Oncology | WI | 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 | 220 | 15 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 65 | 24 | $0 |
| 77300 | Calculation of radiation therapy dose | 63 | 18 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 62 | 36 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 54 | 19 | $0 |
Insurance plans in this area (ZIP 54482)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| P S Y C H I A T R Y | IL | |
| - | WI | |
| Internal Medicine | WI | |
| Nurse Practitioner | IL | |
| - | WI | |
| - | WI | |
| - | WI | |
| - | WI |
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