MRS. MARIE A WALKER (M.D.) – Physical Medicine & Rehabilitation Physician, NPI 1861474041
Physical Medicine & Rehabilitation Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
596 PHYSICAL MEDICINE AND REHABILITATION in IL
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Provider Addresses for MRS. MARIE A WALKER (M.D.)
Reno & Zahm LLP, 2902, McFarland Road, Rockford, Winnebago County, Illinois, 61114, United States
SUITE 300
ROCKFORD, IL 611076801
Phone: (815) 316-2100
Fax: (815) 316-2099
Type: Mailing
2223 LIME KILN RD STE 1
GREEN BAY, WI 543116238
Phone: (920) 430-8113
Fax: (920) 430-8122
Type: Location
5320 W MICHAELS DR
APPLETON, WI 549138446
Phone: (920) 882-8200
Fax: (920) 882-8210
Type: Mailing
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: 2020-10-01
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 |
|---|---|---|---|---|
| I20201001002060 | I | Physical Medicine And Rehabilitation | 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 |
|---|---|---|---|---|
| 95886 | Needle measurement of electrical activity in arm or leg muscles, complete study | 175 | 109 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 113 | 61 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 48 | 36 | $0 |
| 95909 | Nerve conduction, 5-6 studies | 40 | 40 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 28 | 28 | $0 |
Insurance plans in this area (ZIP 61107)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| R H E U M A T O L O G Y | WI | |
| Orthopedic Surgery | WI | |
| Orthopedic Surgery | WI | |
| Pain Management | MN | |
| Orthopedic Surgery | WI | |
| Nurse Practitioner | WI | |
| Orthopedic Surgery | WI | |
| N E U R O S U R G E R Y | WI | |
| Orthopedic Surgery | PA | |
| R H E U M A T O L O G Y | WI |
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