Katrina M. Merkel, FNP
Nurse Practitioner · Eau Claire, WI
At a glance
1221 Whipple St, Eau Claire, WI 54703-5270
NPPES record updated Aug 24, 2022. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1221 Whipple StEau Claire, WI 54703-5270
Additional reported practice locations
3119 Woodman DrAltoona, WI 547202668
Phone: 7157176700 1220 3Rd Ave W
Durand, WI 547361600
Phone: 7156724211
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2018
- CMS specialties
- Nurse Practitioner
Practice groups
- Chippewa Valley Hospital And Oakview Care Center Inc
- Mayo Clinic Health System-Northwest Wisconsin Region Inc
Reported hospital affiliations
- Chippewa Valley Hospital Durand, WI
- Mayo Clinic Health System Eau Claire Hospital Eau Claire, WI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $81.97 |
Reporting companies
| Company | Amount |
|---|---|
| SOLVENTUM CORPORATION | $81.97 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Nurse Practitioner
- Taxonomy code
- 363L00000X
- Enumeration date
- Nov 20, 2018
- Record updated
- Aug 24, 2022
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- FNP
Reported taxonomies and licenses
163W00000X
License reported: 20158630 WI
363LF0000X
License reported: 8897-33 WI
363L00000X · Primary
License reported: 8897-33 WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1221 Whipple StEau Claire, WI 54703-5270
- Phone
- (715) 838-3311
Mailing address
S674 COUNTY ROAD HMONDOVI, WI 547558206
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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