HORIZON VASCULAR SPECIALISTS
NPI 1366449365
Surgery - Vascular Surgery in Germantown, MD
About Horizon Vascular Specialists NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HORIZON VASCULAR SPECIALISTS (NPI 1366449365) is a healthcare organization registered as a vascular surgery in Germantown, Maryland and active in the NPI registry since July 2005. The organization holds a CLIA Waiver certificate valid through June 3, 2028 and lists Robert Fox, Partner/authorized Official, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
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)
Horizon Vascular Specialists is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
9Medicare enrollment records show 9 clinicians reassign Medicare billing to Horizon Vascular Specialists, which bills Medicare for the services they deliver. Of these, 7 practice at this address. They are listed nearest first.
Clinicians, nearest first (9)
Germantown, MD 20876
Germantown, MD 20876
Germantown, MD 20876
Germantown, MD 20876
Source: 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 21D2305589
Horizon Vascular ASC · Germantown, MDFrequently 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 Horizon Surgical Group, PA's NPI number?
The NPI number for Horizon Surgical Group, PA is 1366449365. It was assigned to this organization in the NPPES registry on July 5, 2005. The provider is doing business as Horizon Vascular Specialists.
Where is Horizon Surgical Group, PA located?
Horizon Surgical Group, PA is located at 20410 Observation Drive Suite 100, Germantown, MD 20876. The listed phone number is (301) 762-0277.
What is Horizon Surgical Group, PA's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Horizon Surgical Group, PA enrolled in Medicare?
Yes. Horizon Surgical Group, PA is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Horizon Surgical Group, PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 3 Medicare specialties reassign their Medicare billing to Horizon Surgical Group, PA. 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 (4), Vascular Surgery (4) and Diagnostic Radiology (1). Of these, 7 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Horizon Surgical Group, PA hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 21D2305589) is associated with this NPI, valid through June 3, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Horizon Surgical Group, PA was last updated on March 22, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Horizon Vascular Specialists · NPI 1366449365
Vascular Surgery organization in Germantown, Maryland. Organization record, active in the CMS NPPES registry since July 5, 2005.
## Identity
- **NPI:** 1366449365 (Entity type: Organization)
- **Enumerated:** July 5, 2005
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **Legal business name:** Horizon Surgical Group, Pa
- **Organization subpart:** No
- **Authorized official:** Robert Fox, PARTNER/AUTHORIZED OFFICIAL
## Practice location
- **Address:** 20410 OBSERVATION DRIVE, SUITE 100, Germantown, MD 20876-6419
- **Phone:** (301) 762-0277 · **Fax:** (301) 330-9108
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 9 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (4), Vascular Surgery (4), Diagnostic Radiology (1); 7 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 22, 2017
- **Other identifiers:** Medicare PIN 328P (MD); Medicaid 915011100 (MD); Medicare PIN 153849 (DC)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1366449365) · Data from the CMS NPPES public registry.