DR. MALIKA LISA SIKER (M.D.) – Radiation Oncology Physician, NPI 1346444874
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
186 RADIATION ONCOLOGY in WI
Provider Addresses for DR. MALIKA LISA SIKER (M.D.)
W180N8085 Town Hall Rd
Menomonee Falls, WI 530513518
Phone: (262) 257-5151
Fax: (262) 253-7801
Type: Location
9000 W Wisconsin Ave
Milwaukee, WI 532264874
Phone: (414) 607-5280
Fax: (414) 805-4369
Type: Location
3200 Pleasant Valley Rd
West Bend, WI 530959274
Phone: (262) 836-7200
Fax: (262) 836-7201
Type: Location
7901 S 6th St
Oak Creek, WI 531542010
Phone: (414) 346-8000
Fax: (414) 346-8010
Type: Location
9200 W WISCONSIN AVE
MILWAUKEE, WI 532263522
Phone: (414) 805-4400
Fax: (414) 805-4369
Type: Mailing
West Innovation Drive, Wauwatosa, Milwaukee County, Wisconsin, 53226, United States
SUITE 300
MILWAUKEE, WI 532264837
Phone: (414) 456-5006
Fax: (414) 456-6259
Type: Mailing
Froedtert Hospital, 9200, West Wisconsin Avenue, Cannon Park, Wauwatosa, Milwaukee County, Wisconsin, 53226, United States
DEPARTMENT OF NEOPLASTIC DISEASES
MILWAUKEE, WI 532263522
Phone: (414) 805-6800
Fax: (414) 805-6805
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.
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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: 2011-06-08
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 |
|---|---|---|---|---|
| I20110608000380 | 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 |
|---|---|---|---|---|
| 77334 | Design and construction of complex radiation treatment device | 100 | 21 | $0 |
| 77300 | Calculation of radiation therapy dose | 77 | 22 | $0 |
| 77014 | Ct guidance for insertion of radiation therapy fields | 51 | 18 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 50 | 27 | $0 |
| 77290 | Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 32 | 17 | $0 |
Insurance plans in this area (ZIP 53051)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| - | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| Diagnostic Radiology | WI | |
| Orthopedic Surgery | IL | |
| - | WI |
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