DR. ROBERT AARON MARSHALL (MD, MPH) – Occupational Medicine Physician, NPI 1063438570
Occupational Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. ROBERT AARON MARSHALL (MD, MPH)
1010, North Washington Street, Janesville, Rock County, Wisconsin, 53548, United States
JANESVILLE, WI 535481500
Phone: (608) 741-3800
Fax: (608) 741-3838
Mailing address matches the actual address.
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: 2015-09-23
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20150715000576 | I | Family Practice | WI | TBD |
| I20150923002336 | I | Preventive Medicine | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 53548)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| Nurse Practitioner | WI | |
| - | WI | |
| O P H T H A L M O L O G Y | IL | |
| - | WI | |
| - | IL | |
| - | WI | |
| Hematology/Oncology, Internal Medicine | IL | |
| - | WI | |
| Family Practice, Geriatric Medicine | IL |
Reviews
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