LOUDOUN PEDIATRIC ASSOCIATES
NPI 1457475873
Pediatrics in Leesburg, VA
About Loudoun Pediatric Associates NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LOUDOUN PEDIATRIC ASSOCIATES (NPI 1457475873) is a healthcare organization registered as a pediatrics in Leesburg, Virginia and active in the NPI registry since March 2007. The organization lists Mary Beth Tamasy, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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)
Loudoun Pediatric Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
291Medicare enrollment records show 291 clinicians reassign Medicare billing to Loudoun Pediatric Associates, which bills Medicare for the services they deliver. Of these, 20 practice at this address and 183 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 35
Nearest to this location (20)
See all 291Leeesburg, VA 20176
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 Loudoun Medical Group, PC's NPI number?
The NPI number for Loudoun Medical Group, PC is 1457475873. It was assigned to this organization in the NPPES registry on March 19, 2007. The provider is doing business as Loudoun Pediatric Associates.
Where is Loudoun Medical Group, PC located?
Loudoun Medical Group, PC is located at 19500 Sandridge Way Suite 110, Leesburg, VA 20176. The listed phone number is (703) 723-7337.
What is Loudoun Medical Group, PC's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Loudoun Medical Group, PC enrolled in Medicare?
Yes. Loudoun Medical Group, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Loudoun Medical Group, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 291 clinicians in 35 Medicare specialties reassign their Medicare billing to Loudoun Medical Group, PC. 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 (82), Family Practice (29) and Diagnostic Radiology (24). Of these, 20 practice at this address and 183 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Loudoun Medical Group, PC was last updated on August 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Loudoun Pediatric Associates · NPI 1457475873
Pediatrics organization in Leesburg, Virginia. Organization record, active in the CMS NPPES registry since March 19, 2007.
## Identity
- **NPI:** 1457475873 (Entity type: Organization)
- **Enumerated:** March 19, 2007
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **Legal business name:** Loudoun Medical Group, Pc
- **Organization subpart:** Yes (part of Loudoun Medical Group, Pc)
- **Authorized official:** Mary Beth Tamasy, CEO
## Practice location
- **Address:** 19500 SANDRIDGE WAY, SUITE 110, Leesburg, VA 20176-3688
- **Phone:** (703) 723-7337 · **Fax:** (703) 723-8278
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 291 clinicians in 35 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (82), Family Practice (29), Diagnostic Radiology (24); 20 practice at this address and 183 within 10 miles; [full list](https://npiprofile.com/npi/1457475873/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 18, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1457475873) · Data from the CMS NPPES public registry.