CLARK ALLIANCE SERVICES INC
NPI 1952892028
Internal Medicine in Alexandria, VA
About Clark Alliance Services Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLARK ALLIANCE SERVICES INC (NPI 1952892028) is a healthcare organization registered as an internal medicine in Alexandria, Virginia and active in the NPI registry since May 2018. The organization maintains a secondary practice location in Suffolk and lists Victor Pierre Clark, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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)
Clark Alliance Services Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
60Medicare enrollment records show 60 clinicians reassign Medicare billing to Clark Alliance Services Inc, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 10
Nearest to this location (20)
See all 60Source: 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 Clark Alliance Services Inc's NPI number?
The NPI number for Clark Alliance Services Inc is 1952892028. It was assigned to this organization in the NPPES registry on May 24, 2018.
Where is Clark Alliance Services Inc located?
Clark Alliance Services Inc is located at 2501 Parkers Ln Fl 4, Alexandria, VA 22306. The listed phone number is (703) 664-7000.
What is Clark Alliance Services Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Clark Alliance Services Inc enrolled in Medicare?
Yes. Clark Alliance Services Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Clark Alliance Services Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 60 clinicians in 10 Medicare specialties reassign their Medicare billing to Clark Alliance Services Inc. 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 (21), Internal Medicine (16) and Hospitalist (12). Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Clark Alliance Services Inc accept?
Health plans from Highmark Blue Cross Blue Shield West Virginia list Clark Alliance Services Inc 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 Clark Alliance Services Inc was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Clark Alliance Services Inc · NPI 1952892028
Internal Medicine organization in Alexandria, Virginia. Organization record, active in the CMS NPPES registry since May 24, 2018.
## Identity
- **NPI:** 1952892028 (Entity type: Organization)
- **Enumerated:** May 24, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Victor Clark, CEO
## Practice location
- **Address:** 2501 PARKERS LN FL 4, Alexandria, VA 22306-3209
- **Phone:** (703) 664-7000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 60 clinicians in 10 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (21), Internal Medicine (16), Hospitalist (12); 1 practice within 10 miles; [full list](https://npiprofile.com/npi/1952892028/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 14, 2026
- **Other identifiers:** Medicaid 1821251943 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1952892028) · Data from the CMS NPPES public registry.