TAMMY G BUCHANAN CRNA
NPI 1487627022
Nurse Anesthetist, Certified Registered in Menomonie, WI
About Tammy G Buchanan Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY G BUCHANAN CRNA (NPI 1487627022) is an individual nurse anesthetist, certified registered in Menomonie, Wisconsin, licensed in Wisconsin (6389) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System Eau Claire Hospital, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
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
Tammy G Buchanan 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
12Medicare enrollment records show Tammy Buchanan reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Menomonie, WI 54751
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1154372944 (Wisconsin), NPI 1700837812 (Wisconsin), NPI 1740239557 (Wisconsin)
- 1,248 clinicians in this Medicare group
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- 2,476 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
- 293 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Rice Lake, WI 54868
- Reassigned Medicare billing, Wisconsin enrollment
- 10 clinicians in this Medicare group
Stanley, WI 54768
- Reassigned Medicare billing, Wisconsin enrollment
- 168 clinicians in this Medicare group
Gilman, WI 54433
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- 1,440 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
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
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, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54751 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 Tammy Buchanan's NPI number?
The NPI number for Tammy Buchanan is 1487627022. It was assigned to this individual provider in the NPPES registry on February 13, 2006.
Where is Tammy Buchanan located?
Tammy Buchanan practices at 2321 Stout Rd, Menomonie, WI 54751. The listed phone number is (715) 235-9671.
What is Tammy Buchanan's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Tammy Buchanan enrolled in Medicare?
Yes. Tammy Buchanan 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 Tammy Buchanan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Buchanan reassigns Medicare benefits to 12 organizations: Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Menomonie, WI), Mchs Hospitals 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 7 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 Tammy Buchanan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tammy Buchanan affiliated with any hospitals?
According to CMS data, Tammy Buchanan is affiliated with Mayo Clinic Health System Eau Claire Hospital.
When was this NPI record last updated?
The NPPES record for Tammy Buchanan was last updated on August 28, 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.
# Tammy G Buchanan, CRNA · NPI 1487627022
Nurse Anesthetist, Certified Registered physician in Menomonie, Wisconsin. Individual provider, active in the CMS NPPES registry since February 13, 2006.
## Identity
- **NPI:** 1487627022 (Entity type: Individual)
- **Enumerated:** February 13, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 6389 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2321 STOUT RD, Menomonie, WI 54751-7003
- **Phone:** (715) 235-9671
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 12 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (NPI 1235666967, Menomonie, WI); Mchs Hospitals Inc (NPI 1316416035, 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 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** August 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1487627022) · Data from the CMS NPPES public registry.