MICHAEL JAMES HENDERSON FNP
NPI 1407340730
Nurse Practitioner - Family in Walla Walla, WA
About Michael James Henderson Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL JAMES HENDERSON FNP (NPI 1407340730) is an individual family provider in Walla Walla, Washington, licensed in Washington (AP60851799) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with Evergreenhealth Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Michael James Henderson Fnp 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 Reassignment
Medicare enrollment records show Michael Henderson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sammamish, WA 98074
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: King County Public Hospital District No 2
- 1,074 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 6
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.
Evergreenhealth Medical Center
Acute Care Hospitals · Kirkland, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 99362 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.
WALLA WALLA, WA 99362
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 Michael Henderson's NPI number?
The NPI number for Michael Henderson is 1407340730. It was assigned to this individual provider in the NPPES registry on June 20, 2018.
Where is Michael Henderson located?
Michael Henderson practices at 380 Chase Ave, Walla Walla, WA 99362. The listed phone number is (509) 897-3000.
What is Michael Henderson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Michael Henderson enrolled in Medicare?
Yes. Michael Henderson 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 organization bills Medicare for Michael Henderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Henderson reassigns Medicare benefits to Public Hospital District No 2 (Sammamish, WA). The 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 Michael Henderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Henderson accept?
Health plans from Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Michael Henderson 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 Michael Henderson affiliated with any hospitals?
According to CMS data, Michael Henderson is affiliated with Evergreenhealth Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Henderson was last updated on June 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Michael James Henderson, FNP · NPI 1407340730
Family physician in Walla Walla, Washington. Individual provider, active in the CMS NPPES registry since June 20, 2018.
## Identity
- **NPI:** 1407340730 (Entity type: Individual)
- **Enumerated:** June 20, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP60851799 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 380 CHASE AVE, Walla Walla, WA 99362-2924
- **Phone:** (509) 897-3000
## 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:** Public Hospital District No 2 (NPI 1417058694, Sammamish, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** June 24, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1407340730) · Data from the CMS NPPES public registry.