ONSITE MENTAL HEALTH
NPI 1639744378
Nurse Practitioner - Psychiatric/Mental Health in Easley, SC
About Onsite Mental Health NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ONSITE MENTAL HEALTH (NPI 1639744378) is a healthcare organization registered as a psychiatric/mental health in Easley, South Carolina and active in the NPI registry since May 2021. The organization lists Sherri Thorsen, Director Of Operations, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Onsite Mental Health is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
26Medicare enrollment records show 26 clinicians reassign Medicare billing to Onsite Mental Health, which bills Medicare for the services they deliver. Of these, 6 practice at this address. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 26Source: 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 Onsite Mental Health's NPI number?
The NPI number for Onsite Mental Health is 1639744378. It was assigned to this organization in the NPPES registry on May 25, 2021.
Where is Onsite Mental Health located?
Onsite Mental Health is located at 105 Franklin Square Way Ste A, Easley, SC 29642. The listed phone number is (864) 881-3105.
What is Onsite Mental Health's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Onsite Mental Health enrolled in Medicare?
Yes. Onsite Mental Health is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Onsite Mental Health?
According to the CMS Revalidation Reassignment List (October 2026 release), 26 clinicians in 3 Medicare specialties reassign their Medicare billing to Onsite 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. The largest specialties are Nurse Practitioner (23), Clinical Social Worker (2) and Psychiatry (1). Of these, 6 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Onsite Mental Health accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, First Choice Next and Molina Healthcare list Onsite Mental Health 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 Onsite Mental Health was last updated on May 25, 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.
# Onsite Mental Health · NPI 1639744378
Psychiatric/Mental Health organization in Easley, South Carolina. Organization record, active in the CMS NPPES registry since May 25, 2021.
## Identity
- **NPI:** 1639744378 (Entity type: Organization)
- **Enumerated:** May 25, 2021
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **Also known as:** OnSite Mental Health (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Sherri Thorsen, DIRECTOR OF OPERATIONS
## Practice location
- **Address:** 105 FRANKLIN SQUARE WAY STE A, Easley, SC 29642-3715
- **Phone:** (864) 881-3105
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 26 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (23), Clinical Social Worker (2), Psychiatry (1); 6 practice at this address; [full list](https://npiprofile.com/npi/1639744378/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 25, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1639744378) · Data from the CMS NPPES public registry.