MAINSTREAM MENTAL HEALTH
NPI 1427890482
Nurse Practitioner - Psychiatric/Mental Health in Atchison, KS
About Mainstream Mental Health NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAINSTREAM MENTAL HEALTH (NPI 1427890482) is a healthcare organization registered as a psychiatric/mental health in Atchison, Kansas and active in the NPI registry since June 2024. The organization lists Deena Shelton, Director/owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mainstream Mental Health is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Mainstream Mental Health, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Mainstream Mental Health's NPI number?
The NPI number for Mainstream Mental Health is 1427890482. It was assigned to this organization in the NPPES registry on June 11, 2024.
Where is Mainstream Mental Health located?
Mainstream Mental Health is located at 1642 Main St # 3, Atchison, KS 66002. The listed phone number is (913) 360-0806.
What is Mainstream Mental Health's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Mainstream Mental Health enrolled in Medicare?
Yes. Mainstream Mental Health is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mainstream Mental Health?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Mainstream Mental Health. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mainstream Mental Health was last updated on June 11, 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.
# Mainstream Mental Health · NPI 1427890482
Psychiatric/Mental Health organization in Atchison, Kansas. Organization record, active in the CMS NPPES registry since June 11, 2024.
## Identity
- **NPI:** 1427890482 (Entity type: Organization)
- **Enumerated:** June 11, 2024
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **Organization subpart:** No
- **Authorized official:** Deena Shelton, DIRECTOR/OWNER
## Practice location
- **Address:** 1642 MAIN ST # 3, Atchison, KS 66002-2686
- **Phone:** (913) 360-0806 · **Fax:** (913) 370-8002
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1427890482) · Data from the CMS NPPES public registry.