DR. KIRSTEN J BUCK M.D.
NPI 1366447278
Anesthesiology in Marinette, WI
About Dr. Kirsten J Buck M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KIRSTEN J BUCK M.D. (NPI 1366447278) is an individual anesthesiology provider in Marinette, Wisconsin, licensed in Ohio (35.155742) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center - Cedar Rapids, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 3
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
Dr. Kirsten J Buck M.d. 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
5Medicare enrollment records show Kirsten Buck reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Crandon, WI 54520
- Reassigned Medicare billing, Wisconsin enrollment
- 935 clinicians in this Medicare group
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Mount Pleasant, WI 53405
- Reassigned Medicare billing, Wisconsin enrollment
- 162 clinicians in this Medicare group
Cedar Rapids, IA 52402
- Reassigned Medicare billing, Iowa enrollment
- 387 clinicians in this Medicare group
Woodsfield, OH 43793
- Reassigned Medicare billing, Ohio enrollment
- 411 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Medical Center - Cedar Rapids
Acute Care Hospitals · Cedar Rapids, IAMarietta Memorial Hospital
Acute Care Hospitals · Marietta, OHAurora Medical Ctr Oshkosh
Acute Care Hospitals · Oshkosh, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARINETTE, WI 54143
MARINETTE, WI 54143
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 Kirsten Buck's NPI number?
The NPI number for Kirsten Buck is 1366447278. It was assigned to this individual provider in the NPPES registry on June 16, 2005.
Where is Kirsten Buck located?
Kirsten Buck practices at 3003 University Dr, Marinette, WI 54143. The listed phone number is (715) 735-4200.
What is Kirsten Buck's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Kirsten Buck enrolled in Medicare?
Yes. Kirsten Buck 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 Kirsten Buck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kirsten Buck reassigns Medicare benefits to 5 organizations: Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Crandon, WI), Aurora Medical Group, Inc. (Sheboygan, WI), Racine Anesthesia Services, LLC (Mount Pleasant, WI), Mercy Medical Center (Cedar Rapids, IA) and Marietta Memorial Hospital (Woodsfield, OH). 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 Kirsten Buck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kirsten Buck accept?
Health plans from CareSource, CareSource (Common Ground Healthcare), Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Kirsten Buck 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 Kirsten Buck affiliated with any hospitals?
According to CMS data, Kirsten Buck is affiliated with Mercy Medical Center - Cedar Rapids, Marietta Memorial Hospital and Aurora Medical Ctr Oshkosh.
When was this NPI record last updated?
The NPPES record for Kirsten Buck was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.