NATHAN C FRITSCH CRNA
NPI 1427689553
Nurse Anesthetist, Certified Registered in Amery, WI
About Nathan C Fritsch Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATHAN C FRITSCH CRNA (NPI 1427689553) is an individual nurse anesthetist, certified registered in Amery, Wisconsin, licensed in Wisconsin (9841-33) and active in the NPI registry since January 2020. He is enrolled in Medicare PECOS, is affiliated with St Croix Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Nathan C Fritsch Crna 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
7Medicare enrollment records show Nathan Fritsch reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Amery, WI 54001
- Reassigned Medicare billing, Wisconsin enrollment
- 348 clinicians in this Medicare group
New Richmond, WI 54017
- Reassigned Medicare billing, Wisconsin enrollment
- 357 clinicians in this Medicare group
Saint Croix Falls, WI 54024
- Reassigned Medicare billing, Wisconsin enrollment
- 453 clinicians in this Medicare group
Osceola, WI 54020
- Reassigned Medicare billing, Wisconsin enrollment
- 170 clinicians in this Medicare group
Baldwin, WI 54002
- Reassigned Medicare billing, Wisconsin enrollment
- 111 clinicians in this Medicare group
Hudson, WI 54016
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1255532875 (Wisconsin)
- 180 clinicians in this Medicare group
Lewistown, MT 59457
- Reassigned Medicare billing, Montana enrollment
- 83 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Croix Regional Medical Center
Critical Access Hospitals · Saint Croix Falls, WIWestfields Hospital And Clinic
Critical Access Hospitals · New Richmond, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Nathan Fritsch's NPI number?
The NPI number for Nathan Fritsch is 1427689553. It was assigned to this individual provider in the NPPES registry on January 28, 2020.
Where is Nathan Fritsch located?
Nathan Fritsch practices at 265 Griffin St E, Amery, WI 54001. The listed phone number is (715) 268-8000.
What is Nathan Fritsch's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Nathan Fritsch enrolled in Medicare?
Yes. Nathan Fritsch 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 Nathan Fritsch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Fritsch reassigns Medicare benefits to 7 organizations: Amery Regional Medical Center, Inc. (Amery, WI), Westfields Hospital, Inc. (New Richmond, WI), St. Croix Regional Medical Center (Saint Croix Falls, WI), Ladd Memorial Hospital (Osceola, WI), Baldwin Area Medical Center, Inc. (Baldwin, WI) and 2 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 Nathan Fritsch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nathan Fritsch accept?
Health plans from Blue Cross and Blue Shield of Montana list Nathan Fritsch 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 Nathan Fritsch affiliated with any hospitals?
According to CMS data, Nathan Fritsch is affiliated with St Croix Regional Medical Center and Westfields Hospital And Clinic.
When was this NPI record last updated?
The NPPES record for Nathan Fritsch was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.
# Nathan C Fritsch, CRNA · NPI 1427689553
Nurse Anesthetist, Certified Registered physician in Amery, Wisconsin. Individual provider, active in the CMS NPPES registry since January 28, 2020.
## Identity
- **NPI:** 1427689553 (Entity type: Individual)
- **Enumerated:** January 28, 2020
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 9841-33 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 265 GRIFFIN ST E, Amery, WI 54001-1439
- **Phone:** (715) 268-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Amery Regional Medical Center, Inc. (NPI 1093763518, Amery, WI); Westfields Hospital, Inc. (NPI 1881640183, New Richmond, WI); St. Croix Regional Medical Center (NPI 1043240922, Saint Croix Falls, WI); Ladd Memorial Hospital (NPI 1467560227, Osceola, WI); Baldwin Area Medical Center, Inc. (NPI 1467496133, Baldwin, WI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** September 15, 2026
- **Other identifiers:** Other 9841-33 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1427689553) · Data from the CMS NPPES public registry.