TIFFANY LEE PETERSEN
NPI 1861169716
Nurse Anesthetist, Certified Registered in Eau Claire, WI
About Tiffany Lee Petersen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIFFANY LEE PETERSEN (NPI 1861169716) is an individual nurse anesthetist, certified registered in Eau Claire, Wisconsin, licensed in Wisconsin (11741) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System Eau Claire Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Tiffany Lee Petersen 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
9Medicare enrollment records show Tiffany Petersen reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- 1,248 clinicians in this Medicare group
Chippewa Falls, WI 54729
- Reassigned Medicare billing, Wisconsin enrollment
- 17 clinicians in this Medicare group
Mondovi, WI 54755
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1124063573 (Wisconsin)
- 293 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Black River Falls, WI 54615
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1811940331 (Wisconsin)
- 227 clinicians in this Medicare group
Rice Lake, WI 54868
- Reassigned Medicare billing, Wisconsin enrollment
- 10 clinicians in this Medicare group
River Falls, WI 54022
- Reassigned Medicare billing, Wisconsin enrollment
- 530 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 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 3
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.
Mayo Clinic Health System Eau Claire Hospital
Acute Care Hospitals · Eau Claire, WIMarshfield Medical Center - Eau Claire
Acute Care Hospitals · Eau Claire, WIRiver Falls Area Hospital
Critical Access Hospitals · River Falls, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54701 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.
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 Tiffany Petersen's NPI number?
The NPI number for Tiffany Petersen is 1861169716. It was assigned to this individual provider in the NPPES registry on August 27, 2021.
Where is Tiffany Petersen located?
Tiffany Petersen practices at 2116 Craig Rd, Eau Claire, WI 54701. The listed phone number is (715) 858-4500.
What is Tiffany Petersen's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Tiffany Petersen enrolled in Medicare?
Yes. Tiffany Petersen 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 Tiffany Petersen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Petersen reassigns Medicare benefits to 9 organizations: Mchs Hospitals Inc (Eau Claire, WI), Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Eau Claire, WI), Independent Surgery Center LLC (Chippewa Falls, WI), Tri-County Memorial Hospital Inc (Mondovi, WI), Lakeview Medical Center Inc Of Rice Lake (Chetek, WI) and 4 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 Tiffany Petersen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tiffany Petersen accept?
Health plans from Sanford Health Plan list Tiffany Petersen 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 Tiffany Petersen affiliated with any hospitals?
According to CMS data, Tiffany Petersen is affiliated with Mayo Clinic Health System Eau Claire Hospital, Marshfield Medical Center - Eau Claire and River Falls Area Hospital.
When was this NPI record last updated?
The NPPES record for Tiffany Petersen was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Tiffany Lee Petersen · NPI 1861169716
Nurse Anesthetist, Certified Registered physician in Eau Claire, Wisconsin. Individual provider, active in the CMS NPPES registry since August 27, 2021.
## Identity
- **NPI:** 1861169716 (Entity type: Individual)
- **Enumerated:** August 27, 2021
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 11741 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2116 CRAIG RD, Eau Claire, WI 54701-6118
- **Phone:** (715) 858-4500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Mchs Hospitals Inc (NPI 1316416035, Eau Claire, WI); Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (NPI 1235588831, Eau Claire, WI); Independent Surgery Center LLC (NPI 1922316835, Chippewa Falls, WI); Tri-County Memorial Hospital Inc (NPI 1013748060, Mondovi, WI); Lakeview Medical Center Inc Of Rice Lake (NPI 1659008605, Chetek, WI); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** December 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1861169716) · Data from the CMS NPPES public registry.