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LOUDOUN MEDICAL GROUP, PC
NPI 1285382820
Family Medicine - Obesity Medicine in Ashburn, VA

Active since March 14, 2022CLIA 49D2121291 · Waiver
21035 SYCOLIN ROAD, SUITE 180, ASHBURN, VA 20147(703) 783-5673(703) 297-3919 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 15, 2026, Aug 18, 2023, Sep 27, 2022 (3 updates tracked since 2022).

About Loudoun Medical Group, Pc NPPES

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

LOUDOUN MEDICAL GROUP, PC (NPI 1285382820), doing business as Physicians Premiere Weight And Wellness Center, is a healthcare organization registered as an obesity medicine in Ashburn, Virginia and active in the NPI registry since March 2022. The organization holds a CLIA Waiver certificate valid through November 1, 2026 and lists Mary Beth Tamasy, Ceo, as its authorized official.

NPPES Registry Identity

NPI1285382820
Entity TypeOrganization
Primary Taxonomy207QB0002X
Legal Business NameLOUDOUN MEDICAL GROUP, PC
Location Address21035 SYCOLIN ROAD, SUITE 180Ashburn, VA 20147-4311
Mailing Address224-d Cornwall Street, Nw, Suite 403Leesburg, VA 20176-2704 · (703) 737-6010 · Fax (703) 443-8643
Phone(703) 783-5673
Fax(703) 297-3919
Organization SubpartYes
Authorized OfficialMary Beth TamasyCeo · (703) 737-6010
Enumeration DateMarch 14, 2022
Last NPPES UpdateJanuary 15, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 15, 2026
✔ NPI 1285382820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Obesity MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QB0002X
Definition
A family medicine physician who specializes in the treatment of obesity demonstrates competency in and a thorough understanding of the treatment of obesity and the genetic, biologic, environmental, social, and behavioral factors that contribute to obesity. The obesity medicine physician employs therapeutic interventions including diet, physical activity, behavioral change, and pharmacotherapy. The obesity medicine physician utilizes a comprehensive approach, and may include additional resources such as dietitians, exercise physiologists, mental health professionals and bariatric surgeons as indicated to achieve optimal results. Additionally, the obesity medicine physician maintains competency in providing pre- peri- and post-surgical care of bariatric surgery patients, promotes the prevention of obesity, and advocates for those who suffer from obesity.
Also ListedFamily MedicineTaxonomy 207Q00000X
21035 SYCOLIN ROAD, SUITE 180, Ashburn, VA 20147
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Other Names 1

Doing Business AsPhysicians Premiere Weight And Wellness Center

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 49D2121291

Loudoun Medical Group Dba Virginia Medical Center & Urgent Care · Ashburn, VA
Active · expires Nov 1, 2026
CLIA Number49D2121291
Laboratory TypePhysician Office
Certificate Effective DateNovember 2, 2024
Certificate Expiration DateNovember 1, 2026
Laboratory DirectorIrfan Idrees
Laboratory Phone(540) 338-0032
Laboratory LocationLoudoun Medical Group Dba Virginia Medical Center & Urgent Care21785 Filligree Court #215, Ashburn, VA 20147
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JANET PERROTTA NP
Nurse Practitioner (Family)
21035 SYCOLIN ROAD, SUITE 180
ASHBURN, VA 20147
Loudoun County (703) 783-5673
SHREYA MATHUR
Nurse Practitioner (Acute Care)
21035 SYCOLIN ROAD, SUITE 180
ASHBURN, VA 20147
Loudoun County (703) 783-5673
KELLY SPENCER FNP-BC
Nurse Practitioner (Family)
21035 SYCOLIN ROAD, SUITE 180
ASHBURN, VA 20147
Loudoun County (703) 783-5673
TRUPTI PATEL M.D.
Family Medicine
21035 SYCOLIN ROAD, SUITE 180
ASHBURN, VA 20147
Loudoun County (703) 783-5673

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 1285382820. It was assigned to this organization in the NPPES registry on March 14, 2022. The provider is doing business as Physicians Premiere Weight and Wellness Center.

Where is Loudoun Medical Group, PC located?

Loudoun Medical Group, PC is located at 21035 Sycolin Road, Suite 180, Ashburn, VA 20147. The listed phone number is (703) 783-5673.

What is Loudoun Medical Group, PC's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Obesity Medicine, with taxonomy code 207QB0002X.

Does Loudoun Medical Group, PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 49D2121291) is associated with this NPI, valid through November 1, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Loudoun Medical Group, PC was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.