SOUTHSIDE BEHAVIORAL HEALTH
NPI 1700890761
Community/Behavioral Health in Clarksville, VA
About Southside Behavioral Health NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOUTHSIDE BEHAVIORAL HEALTH (NPI 1700890761), doing business as Southside Community Services Board, is a healthcare organization registered as a community/behavioral health in Clarksville, Virginia and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through December 25, 2027, maintains 2 additional practice locations, and lists Elizabeth C Engelhorn, Executive Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Secondary Practice Locations 2
Other Identifiers 4
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)
Southside Behavioral Health is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
29Medicare enrollment records show 29 clinicians reassign Medicare billing to Southside Behavioral Health, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 4
Nearest to this location (20)
See all 29Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 49D2176824
Southside Behavioral Health · South Boston, VAFrequently 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 Southside Behavioral Health's NPI number?
The NPI number for Southside Behavioral Health is 1700890761. It was assigned to this organization in the NPPES registry on July 27, 2006. The provider was formerly known as Southside Community Services Board.
Where is Southside Behavioral Health located?
Southside Behavioral Health is located at 143 Industrial Parkway, Clarksville, VA 23927. The listed phone number is (434) 572-6916.
What is Southside Behavioral Health's specialty?
The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.
Is Southside Behavioral Health enrolled in Medicare?
Yes. Southside Behavioral Health is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Southside Behavioral Health?
According to the CMS Revalidation Reassignment List (October 2026 release), 29 clinicians in 4 Medicare specialties reassign their Medicare billing to Southside Behavioral 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 Mental Health Counselor (12), Clinical Social Worker (9) and Nurse Practitioner (4). Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Southside Behavioral Health hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 49D2176824) is associated with this NPI, valid through December 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Southside Behavioral Health was last updated on March 9, 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.
# Southside Behavioral Health · NPI 1700890761
Community/Behavioral Health organization in Clarksville, Virginia. Organization record, active in the CMS NPPES registry since July 27, 2006.
## Identity
- **NPI:** 1700890761 (Entity type: Organization)
- **Enumerated:** July 27, 2006
- **Primary specialty:** Community/Behavioral Health · taxonomy 251S00000X
- **Organization subpart:** No
- **Authorized official:** Elizabeth Engelhorn, EXECUTIVE DIRECTOR
## Practice location
- **Address:** 143 INDUSTRIAL PARKWAY, Clarksville, VA 23927
- **Phone:** (434) 572-6916 · **Fax:** (434) 374-3321
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 29 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Mental Health Counselor (12), Clinical Social Worker (9), Nurse Practitioner (4); 2 practice at this address and 3 within 10 miles; [full list](https://npiprofile.com/npi/1700890761/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 9, 2021
- **Other identifiers:** Medicaid 004945514 (VA); Medicaid 1700890761 (VA); Medicaid 1912252958 (VA); and 1 more
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1700890761) · Data from the CMS NPPES public registry.