MR. JOHN R WESTBERG CRNA
NPI 1255302337
Nurse Anesthetist, Certified Registered in Wausau, WI
About Mr. John R Westberg Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOHN R WESTBERG CRNA (NPI 1255302337) is an individual nurse anesthetist, certified registered in Wausau, Wisconsin, licensed in Wisconsin (2794) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph Regional Medical Center, and maintains a secondary practice location in Weston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Mr. John R Westberg 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
10Medicare enrollment records show John Westberg reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wausau, WI 54401
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 clinicians in this Medicare group
Merrill, WI 54452
- Reassigned Medicare billing, Wisconsin enrollment
- 351 clinicians in this Medicare group
Wittenberg, WI 54499
- Reassigned Medicare billing, Wisconsin enrollment
- 935 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 619 clinicians in this Medicare group
Stevens Point, WI 54481
- Reassigned Medicare billing, Wisconsin enrollment
- 10 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Stanley, WI 54768
- Reassigned Medicare billing, Wisconsin enrollment
- 168 clinicians in this Medicare group
Woodruff, WI 54568
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Howard Young Medical Center Inc Of Woodruff Wisconsin
- Also billed through NPI 1306898838 (Wisconsin)
- 358 clinicians in this Medicare group
Winona, MN 55987
- Reassigned Medicare billing, Minnesota enrollment
- 330 clinicians in this Medicare group
Moscow, ID 83843
- Reassigned Medicare billing, Idaho enrollment
- 12 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joseph Regional Medical Center
Acute Care Hospitals · Lewiston, IDGritman Medical Center
Critical Access Hospitals · Moscow, IDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54401 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.
WAUSAU, WI 54401
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 John Westberg's NPI number?
The NPI number for John Westberg is 1255302337. It was assigned to this individual provider in the NPPES registry on January 27, 2006.
Where is John Westberg located?
John Westberg practices at 2727 Plaza Dr, Wausau, WI 54401. The listed phone number is (715) 847-3166.
What is John Westberg's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is John Westberg enrolled in Medicare?
Yes. John Westberg 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 John Westberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Westberg reassigns Medicare benefits to 10 organizations: Mchs Hospitals Inc (Wausau, WI), Aspirus Merrill Hospital & Clinics, Inc. (Merrill, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Wittenberg, WI), Aspirus Stevens Point Hospital & Clinics, Inc. (Stevens Point, WI), Stevens Point Anesthesia Association, S.C. (Stevens Point, WI) and 5 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 John Westberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Westberg affiliated with any hospitals?
According to CMS data, John Westberg is affiliated with St Joseph Regional Medical Center and Gritman Medical Center.
When was this NPI record last updated?
The NPPES record for John Westberg was last updated on January 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Mr. John R Westberg, CRNA · NPI 1255302337
Nurse Anesthetist, Certified Registered physician in Wausau, Wisconsin. Individual provider, active in the CMS NPPES registry since January 27, 2006.
## Identity
- **NPI:** 1255302337 (Entity type: Individual)
- **Enumerated:** January 27, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 2794 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2727 PLAZA DR, Wausau, WI 54401-4129
- **Phone:** (715) 847-3166
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Mchs Hospitals Inc (NPI 1164159109, Wausau, WI); Aspirus Merrill Hospital & Clinics, Inc. (NPI 1124084678, Merrill, WI); Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (NPI 1114696507, Wittenberg, WI); Aspirus Stevens Point Hospital & Clinics, Inc. (NPI 1679706022, Stevens Point, WI); Stevens Point Anesthesia Association, S.C. (NPI 1659305399, Stevens Point, WI); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** January 11, 2023
- **Other identifiers:** Other 153938 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1255302337) · Data from the CMS NPPES public registry.