DENNIS DEMILLE MS
NPI 1114565405
Counselor - Mental Health in Spokane, WA
About Dennis Demille Ms NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENNIS DEMILLE MS (NPI 1114565405) is an individual mental health provider in Spokane, Washington, licensed in Washington (LH61530145) and active in the NPI registry since December 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Dennis Demille Ms 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 Dennis Demille reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mountlake Terrace, WA 98043
- Reassigned Medicare billing, Washington enrollment
- 777 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPOKANE, WA 99201
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 Dennis Demille's NPI number?
The NPI number for Dennis Demille is 1114565405. It was assigned to this individual provider in the NPPES registry on December 17, 2019.
Where is Dennis Demille located?
Dennis Demille practices at 316 W Boone Ave Ste 380, Spokane, WA 99201. The listed phone number is (509) 903-8606.
What is Dennis Demille's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Dennis Demille enrolled in Medicare?
Yes. Dennis Demille 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 Dennis Demille's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Demille reassigns Medicare benefits to Mindful Therapy Group PC (Mountlake Terrace, 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 Dennis Demille's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dennis Demille accept?
Health plans from Kaiser Permanente and Premera Blue Cross Blue Shield of Alaska list Dennis Demille 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 Dennis Demille was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 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.
# Dennis Demille, MS · NPI 1114565405
Mental Health provider in Spokane, Washington. Individual provider, active in the CMS NPPES registry since December 17, 2019.
## Identity
- **NPI:** 1114565405 (Entity type: Individual)
- **Enumerated:** December 17, 2019
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** LH61530145 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 316 W BOONE AVE STE 380, Spokane, WA 99201-2346
- **Phone:** (509) 903-8606
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Mindful Therapy Group PC (NPI 1316238678, Mountlake Terrace, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 2, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1114565405) · Data from the CMS NPPES public registry.