MACKENZIE BLACKWELL PMHNP-BC
NPI 1407697105
Nurse Practitioner - Psychiatric/Mental Health in Grandview, WA
About Mackenzie Blackwell Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MACKENZIE BLACKWELL PMHNP-BC (NPI 1407697105) is an individual psychiatric/mental health provider in Grandview, Washington, licensed in Washington (AP70067727) and active in the NPI registry since June 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in Grand Junction, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Mackenzie Blackwell Pmhnp-bc 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 Mackenzie Blackwell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grandview, WA 98930
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1306897681 (Washington)
- 232 clinicians in this Medicare group
Grand Junction, CO 81505
- Reassigned Medicare billing, Colorado enrollment
- 100 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 98930 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRANDVIEW, WA 98930
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 Mackenzie Blackwell's NPI number?
The NPI number for Mackenzie Blackwell is 1407697105. It was assigned to this individual provider in the NPPES registry on June 5, 2024.
Where is Mackenzie Blackwell located?
Mackenzie Blackwell practices at 1003 Wallace Way, Grandview, WA 98930. The listed phone number is (509) 203-1080.
What is Mackenzie Blackwell's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Mackenzie Blackwell enrolled in Medicare?
Yes. Mackenzie Blackwell 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 Mackenzie Blackwell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Blackwell reassigns Medicare benefits to 2 organizations: Prosser Public Hospital District Of Benton County (Grandview, WA) and Community Medical Group, LLC (Grand Junction, CO). 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 Mackenzie Blackwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mackenzie Blackwell accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mackenzie Blackwell 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 Mackenzie Blackwell was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.
# Mackenzie Blackwell, PMHNP-BC · NPI 1407697105
Psychiatric/Mental Health physician in Grandview, Washington. Individual provider, active in the CMS NPPES registry since June 5, 2024.
## Identity
- **NPI:** 1407697105 (Entity type: Individual)
- **Enumerated:** June 5, 2024
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** AP70067727 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1003 WALLACE WAY, Grandview, WA 98930-8805
- **Phone:** (509) 203-1080
## 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): Prosser Public Hospital District Of Benton County (NPI 1376026237, Grandview, WA); Community Medical Group, LLC (NPI 1164997524, Grand Junction, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1407697105) · Data from the CMS NPPES public registry.