REZWAN ISLAM (MD) – Medical Oncology Physician, NPI 1154417145
Medical Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
121 MEDICAL ONCOLOGY in WI
Provider Addresses for REZWAN ISLAM (MD)
3501 Cranberry Blvd
Weston, WI 54476
Phone: (715) 847-3017
Type: Location
1700 UNIVERSITY AVE W FL 6
SAINT PAUL, MN 551043727
Phone:
Type: Mailing
5200 FAIRVIEW BLVD STE 1300
WYOMING, MN 550928013
Phone: (651) 982-7980
Type: Location
Marshfield Clinic Marshfield Center, 1000, North Oak Avenue, Marshfield, Wood County, Wisconsin, 54449, United States
MARSHFIELD, WI 544495777
Phone:
Type: Mailing
Marshfield Clinic Weston Center, 3501, Cranberry Boulevard, Weston Medical Center, Village of Weston, Marathon County, Wisconsin, 54476, United States
WESTON, WI 54476
Phone: (715) 847-3017
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: 2026-01-27
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 |
|---|---|---|---|---|
| I20051121000673 | I | Medical Oncology | WI | TBD |
| I20260127003304 | I | Hematology/Oncology | MN | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 364 | 145 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 250 | 193 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 51 | 51 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 35 | 35 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 33 | 33 | $0 |
Insurance plans in this area (ZIP 54476)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease | CO | |
| Internal Medicine | MN | |
| - | MN | |
| Cardiovascular Disease (Cardiology) | IL | |
| - | MN | |
| - | MN | |
| - | MN | |
| - | MN | |
| Internal Medicine | MN | |
| - | MN |
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