KATHERINE COLLEEN WALKER NP
NPI 1063136547
Nurse Practitioner - Acute Care in Troy, MI
About Katherine Colleen Walker Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE COLLEEN WALKER NP (NPI 1063136547) is an individual acute care provider in Troy, Michigan, licensed in Michigan (4704313034) and active in the NPI registry since September 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Southfield, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 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
Katherine Colleen Walker Np 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 Katherine Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Troy, MI 48084
- Reassigned Medicare billing, Michigan enrollment
- 279 clinicians in this Medicare group
Kalamazoo, MI 49048
- Reassigned Medicare billing, Michigan enrollment
- 596 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48084 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 19
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 Katherine Walker's NPI number?
The NPI number for Katherine Walker is 1063136547. It was assigned to this individual provider in the NPPES registry on September 28, 2022. The provider is also known as Katherine Colleen Jones.
Where is Katherine Walker located?
Katherine Walker practices at 500 Kirts Blvd Ste 100, Troy, MI 48084. The listed phone number is (248) 824-6000.
What is Katherine Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Katherine Walker enrolled in Medicare?
Yes. Katherine Walker 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 Katherine Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Walker reassigns Medicare benefits to 2 organizations: Vpa PC (Troy, MI) and Sound Inpatient Physicians-Michigan, PLLC (Kalamazoo, MI). 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 Katherine Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Walker accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Katherine Walker 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.
When was this NPI record last updated?
The NPPES record for Katherine Walker was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Katherine Colleen Walker, NP · NPI 1063136547
Acute Care physician in Troy, Michigan. Individual provider, active in the CMS NPPES registry since September 28, 2022.
## Identity
- **NPI:** 1063136547 (Entity type: Individual)
- **Enumerated:** September 28, 2022
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 4704313034 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 500 KIRTS BLVD STE 100, Troy, MI 48084-4135
- **Phone:** (248) 824-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Vpa PC (NPI 1336153295, Troy, MI); Sound Inpatient Physicians-Michigan, PLLC (NPI 1093967861, Kalamazoo, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** February 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1063136547) · Data from the CMS NPPES public registry.