CHRISTOPHER M MUELLER (NP) – Nurse Practitioner, NPI 1225554108
Nurse Practitioner
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Profile Insights
NPPES metrics only — not quality of care.
6,033 NURSE PRACTITIONER in WI
Provider Addresses for CHRISTOPHER M MUELLER (NP)
1000 N Oak Ave
Marshfield, WI 544495703
Phone: (800) 782-8581
Type: Location
1000 N OAK AVE
MARSHFIELD, WI 544495703
Phone: (715) 387-5511
Type: Mailing
1701, West McMillan Street, Marshfield, Town of Lincoln, Wood County, Wisconsin, 54449, United States
MARSHFIELD, WI 544498817
Phone: (715) 316-8393
Type: Mailing
Marshfield Clinic Colby/Abbotsford Center, 111, Dehne Drive, Colby, Marathon County, Wisconsin, 54421, United States
COLBY, WI 544219581
Phone: (715) 223-2331
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: 2017-11-01
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 |
|---|---|---|---|---|
| I20171101001648 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 54449)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | WI | |
| Nurse Practitioner | WI | |
| Physician Assistant | WI | |
| Family Practice | WI | |
| Internal Medicine | WI | |
| Orthopedic Surgery | WI | |
| Internal Medicine, Pediatric Medicine | WI | |
| Physician Assistant | WI | |
| Emergency Medicine | WI | |
| Nurse Practitioner | WI |
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