KATIE L PETERSON
NPI 1740453141
Nurse Anesthetist, Certified Registered in Marshfield, WI
About Katie L Peterson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATIE L PETERSON (NPI 1740453141) is an individual nurse anesthetist, certified registered in Marshfield, Wisconsin, licensed in Wisconsin (13465-33) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center, and maintains a secondary practice location in Green Bay.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Katie L Peterson is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
14Medicare enrollment records show Katie Peterson reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1346239373 (Wisconsin)
- 1,283 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Park Falls, WI 54552
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1700963048 (Wisconsin)
- 1,351 clinicians in this Medicare group
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 144 clinicians in this Medicare group
Suring, WI 54174
- Reassigned Medicare billing, Wisconsin enrollment
- 573 clinicians in this Medicare group
Suring, WI 54174
- Reassigned Medicare billing, Wisconsin enrollment
- 875 clinicians in this Medicare group
Waupun, WI 53963
- Reassigned Medicare billing, Wisconsin enrollment
- 1,447 clinicians in this Medicare group
Green Bay, WI 54301
- Reassigned Medicare billing, Wisconsin enrollment
- 129 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Marshfield Medical Center
Acute Care Hospitals · Marshfield, WIBay Area Medical Center
Acute Care Hospitals · Marinette, WIAurora Medical Ctr Oshkosh
Acute Care Hospitals · Oshkosh, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54449 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARSHFIELD, WI 54449
MARSHFIELD, WI 54449
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Katie Peterson's NPI number?
The NPI number for Katie Peterson is 1740453141. It was assigned to this individual provider in the NPPES registry on April 7, 2008.
Where is Katie Peterson located?
Katie Peterson practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5511.
What is Katie Peterson's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Katie Peterson enrolled in Medicare?
Yes. Katie Peterson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Katie Peterson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katie Peterson reassigns Medicare benefits to 14 organizations: Marshfield Clinic Inc (Marshfield, WI), Mchs Hospitals Inc (Marshfield, WI), Memorial Hospital, Inc (Neillsville, WI), Lakeview Medical Center Inc Of Rice Lake (Chetek, WI), Flambeau Hospital Inc (Park Falls, WI) and 9 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katie Peterson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katie Peterson accept?
Health plans from Blue Cross Blue Shield of North Dakota, CareSource (Common Ground Healthcare) and Sanford Health Plan list Katie Peterson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Katie Peterson affiliated with any hospitals?
According to CMS data, Katie Peterson is affiliated with Marshfield Medical Center, Bay Area Medical Center and Aurora Medical Ctr Oshkosh.
When was this NPI record last updated?
The NPPES record for Katie Peterson was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Katie L Peterson · NPI 1740453141
Nurse Anesthetist, Certified Registered physician in Marshfield, Wisconsin. Individual provider, active in the CMS NPPES registry since April 7, 2008.
## Identity
- **NPI:** 1740453141 (Entity type: Individual)
- **Enumerated:** April 7, 2008
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 13465-33 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1000 N OAK AVE, Marshfield, WI 54449-5703
- **Phone:** (715) 387-5511
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 14 organizations under Medicare reassignment (form CMS-855R): Marshfield Clinic Inc (NPI 1952347981, Marshfield, WI); Mchs Hospitals Inc (NPI 1093221434, Marshfield, WI); Memorial Hospital, Inc (NPI 1679746747, Neillsville, WI); Lakeview Medical Center Inc Of Rice Lake (NPI 1659008605, Chetek, WI); Flambeau Hospital Inc (NPI 1194317966, Park Falls, WI); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** May 6, 2026
- **Other identifiers:** Medicaid 100033154 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1740453141) · Data from the CMS NPPES public registry.