DR. BLAKE STEVEN HOLBROOK MD
NPI 1497331235
Emergency Medicine in Eau Claire, WI
About Dr. Blake Steven Holbrook Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BLAKE STEVEN HOLBROOK MD (NPI 1497331235) is an individual emergency medicine provider in Eau Claire, Wisconsin, licensed in Wisconsin (83766) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Health System Eau Claire Hospital, and maintains a secondary practice location in Baton Rouge.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Dr. Blake Steven Holbrook Md 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
2Medicare enrollment records show Blake Holbrook reassigns Medicare billing to 2 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
- Also billed through NPI 1154372944 (Wisconsin), NPI 1700837812 (Wisconsin), NPI 1912958026 (Wisconsin), NPI 1740239557 (Wisconsin)
- 1,248 clinicians in this Medicare group
Sparta, WI 54656
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1629056049 (Wisconsin)
- 336 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, WIMayo Clinic Health System-Northland
Critical Access Hospitals · Barron, WIMayo Clinic Health System-Red Cedar Inc
Critical Access Hospitals · Menomonie, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54703 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 Blake Holbrook's NPI number?
The NPI number for Blake Holbrook is 1497331235. It was assigned to this individual provider in the NPPES registry on March 22, 2021.
Where is Blake Holbrook located?
Blake Holbrook practices at 1400 Bellinger St, Eau Claire, WI 54703. The listed phone number is (715) 838-5222.
What is Blake Holbrook's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Blake Holbrook enrolled in Medicare?
Yes. Blake Holbrook 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 Blake Holbrook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Blake Holbrook reassigns Medicare benefits to 2 organizations: Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Eau Claire, WI) and Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (Sparta, WI). 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 Blake Holbrook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Blake Holbrook affiliated with any hospitals?
According to CMS data, Blake Holbrook is affiliated with Mayo Clinic Health System Eau Claire Hospital, Mayo Clinic Health System-Northland and Mayo Clinic Health System-Red Cedar Inc.
When was this NPI record last updated?
The NPPES record for Blake Holbrook was last updated on August 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.