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NORTHERN VIRGINIA ENT ASSOCIATES
NPI 1235253741
Otolaryngology in Leesburg, VA

Active since March 19, 2007
19465 DEERFIELD AVENUE, SUITE 301, LEESBURG, VA 20176(703) 729-8080(703) 729-1914 Get Directions Write a Review

NPPES record last updated: April 24, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 26, 2022, Aug 17, 2021 (2 updates tracked since 2021).

About Northern Virginia Ent Associates NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NORTHERN VIRGINIA ENT ASSOCIATES (NPI 1235253741) is a healthcare organization registered as an otolaryngology 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

NPI1235253741
Entity TypeOrganization
Primary Taxonomy207Y00000X
Legal Business NameLOUDOUN MEDICAL GROUP, PC
Location Address19465 DEERFIELD AVENUE, SUITE 301Leesburg, VA 20176-1705
Mailing Address224-d Cornwall Street, Nw, Suite 403Leesburg, VA 20176-2704 · (703) 737-6010 · Fax (571) 291-9786
Phone(703) 729-8080
Fax(703) 729-1914
Organization SubpartYes
Authorized OfficialMary Beth TamasyCeo · (703) 737-6010
Enumeration DateMarch 19, 2007
Last NPPES UpdateApril 24, 20232 updates tracked since enumeration
NPPES CertifiedApril 24, 2023
✔ NPI 1235253741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
19465 DEERFIELD AVENUE, SUITE 301, Leesburg, VA 20176
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Other Names 1

Doing Business AsNorthern Virginia Ent Associates

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Northern Virginia Ent Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

291

Medicare enrollment records show 291 clinicians reassign Medicare billing to Northern Virginia Ent Associates, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 167 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 35

Nurse Practitioner82
Family Practice29
Diagnostic Radiology24
Internal Medicine22
Certified Nurse Midwife (CNM)16
Obstetrics/Gynecology13
Urology13
Gastroenterology9
27 other specialties83

Nearest to this location (20)

See all 291
Simren Ajrawat, FNP-BC
Nurse Practitioner
NPI 1437826393
19465 DEERFIELD AVE, SUITE 405
Leesburg, VA 20176
(571) 252-8119
✔ PECOS✔ Accepts MedicareSame address
Jennifer Ebbertt, RN
Nurse Practitioner
NPI 1104410273
19465 DEERFIELD AVENUE, SUITE 405
Leesburg, VA 20176
(571) 252-8119
✔ PECOS✔ Accepts MedicareSame address
Sunmi Kim, FNP
Nurse Practitioner
NPI 1457151581
19465 DEERFIELD AVE STE 405
Leesburg, VA 20176
(571) 252-8119
✔ PECOS✔ Accepts MedicareSame address
Lakshmi Mahendran
Physical Therapist in Private Practice
NPI 1841807278
19465 DEERFIELD AVENUE, SUITE 208
Leesburg, VA 20176
(571) 580-0220
✔ Accepts MedicareSame address
Neven Ujevic, MD
Internal Medicine
NPI 1699769646
19465 DEERFIELD AVE, SUITE 301
Leesburg, VA 20176
(703) 293-5242
✔ PECOS✔ Accepts MedicareSame address
Debora Feeney, NP
Nurse Practitioner
NPI 1568518298
19465 DEERFIELD AVE SUITE 207
Leesburg, VA 20176
(703) 723-6774
✔ PECOSSame address
Michael Todd, MD
Dermatology
NPI 1609860337
19465 DEERFIELD AVE SUITE 401
Leesburg, VA 20176
(703) 723-5700
✔ PECOS✔ Accepts MedicareSame address
Edwina Barthelemy, NP
Nurse Practitioner
NPI 1477382877
19455 DEERFIELD AVENUE, SUITE 204
Leesburg, VA 20176
(703) 858-1500
✔ PECOS✔ Accepts Medicare0.1 mi
Kessie Herring, CNM
Certified Nurse Midwife (CNM)
NPI 1376305045
19455 DEERFIELD AVENUE, SUITE 204
Leesburg, VA 20176
(703) 858-1500
✔ PECOS✔ Accepts Medicare0.1 mi
Younghae Hyun Park, MD
Obstetrics/Gynecology
NPI 1134178965
19455 DEERFIELD AVENUE, SUITE 204
Leesburg, VA 20176
(703) 858-1500
✔ PECOS✔ Accepts Medicare0.1 mi
Jennifer Young, MD
Urology
NPI 1740479971
19415 DEERFIELD AVE SUITE 112
Leesburg, VA 20176
(703) 724-1195
✔ PECOS✔ Accepts Medicare0.1 mi
Tareq Abedin, MD
Internal Medicine
NPI 1336109610
19415 DEERFIELD AVE, SUITE 213
Leesburg, VA 20176
(703) 729-9220
✔ PECOS✔ Accepts Medicare0.1 mi
Sarbjot Dulai, M.D.
Neurology
NPI 1013992593
19415 DEERFIELD AVE SUITE 310
Leesburg, VA 20176
(703) 726-6393
✔ PECOS✔ Accepts Medicare0.1 mi
Van Ha, MD
Dermatology
NPI 1649263195
19415 DEERFIELD AVENUE, SUITE 314
Leesburg, VA 20176
(703) 723-7171
✔ PECOS✔ Accepts Medicare0.1 mi
Syed Ali, M.D.
Hematology/Oncology
NPI 1780844233
19500 SANDRIDGE WAY, SUITE 450
Leesburg, VA 20176
(703) 656-9805
✔ PECOS✔ Accepts Medicare0.2 mi
Nicholas Caruana, M.D.
Diagnostic Radiology
NPI 1760617435
19500 SANDRIDGE WAY, SUITE 420
Leesburg, VA 20176
(571) 375-8601
✔ PECOS✔ Accepts Medicare0.2 mi
Michael Grimm, MD
Interventional Radiology
NPI 1447238050
19500 SANDRIDGE WAY, SUITE 420
Leesburg, VA 20176
(571) 375-8601
✔ PECOS✔ Accepts Medicare0.2 mi
Claire Edwards, MD
General Surgery
NPI 1134364599
19500 SANDRIDGE WAY, SUITE 450
Leeesburg, VA 20176
(703) 724-9474
✔ PECOS✔ Accepts Medicare0.2 mi
Lindsay Roach, D.O.
Pediatric Medicine
NPI 1659695526
19500 SANDRIDGE WAY SUITE 110
Leesburg, VA 20176
(703) 723-7337
✔ PECOS0.2 mi
Nauman Akhtar, M.D.
Orthopedic Surgery
NPI 1003017682
19450 DEERFIELD AVENUE, SUITE 200
Leesburg, VA 20176
(571) 209-1875
✔ PECOS✔ Accepts Medicare0.2 mi
See all 291 clinicians

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 1235253741. It was assigned to this organization in the NPPES registry on March 19, 2007. The provider is doing business as Northern Virginia Ent Associates.

Where is Loudoun Medical Group, PC located?

Loudoun Medical Group, PC is located at 19465 Deerfield Avenue, Suite 301, Leesburg, VA 20176. The listed phone number is (703) 729-8080.

What is Loudoun Medical Group, PC's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

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, 7 practice at this address and 167 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 April 24, 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.