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LOUDOUN DERMATOLOGY ASSOCIATES
NPI 1710001235
Dermatology in Leesburg, VA

Active since March 19, 2007CLIA 49D0943892 · Microscopy
19415 DEERFIELD AVENUE, SUITE 314, LEESBURG, VA 20176(703) 723-7171(703) 723-7176 Get Directions Write a Review

NPPES record last updated: April 24, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 21, 2022, Mar 11, 2022 (2 updates tracked since 2022).

About Loudoun Dermatology Associates NPPES

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

LOUDOUN DERMATOLOGY ASSOCIATES (NPI 1710001235) is a healthcare organization registered as a dermatology in Leesburg, Virginia and active in the NPI registry since March 2007. The organization holds a CLIA Microscopy certificate valid through January 23, 2027 and lists Mary Beth Tamasy, Ceo, as its authorized official.

NPPES Registry Identity

NPI1710001235
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameLOUDOUN MEDICAL GROUP, PC
Location Address19415 DEERFIELD AVENUE, SUITE 314Leesburg, VA 20176-8472
Mailing Address224-d Cornwall Street, Nw, Suite 403Leesburg, VA 20176-3346 · (703) 737-6010 · Fax (703) 443-8643
Phone(703) 723-7171
Fax(703) 723-7176
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 1710001235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
19415 DEERFIELD AVENUE, SUITE 314, Leesburg, VA 20176
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Other Names 1

Doing Business AsLoudoun Dermatology Associates

Other Identifiers 1

OtherCG8678VA · Rr Medicare Pin

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 for Provider-Performed Microscopy Procedures (PPMP) 49D0943892

Loudoun Dermatology Associates · Leesburg, VA
Active · expires Jan 23, 2027
CLIA Number49D0943892
Laboratory TypePhysician Office
Certificate Effective DateJanuary 24, 2025
Certificate Expiration DateJanuary 23, 2027
Laboratory DirectorVan T. Ha
Laboratory Phone(703) 723-7171
Laboratory LocationLoudoun Dermatology Associates19415 Deerfield Avenue - Suite 314, Leesburg, VA 20176
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Other Providers at the Same Location NPPES 2

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

KELSEY GINESTRO PA-C
Physician Assistant
19415 DEERFIELD AVENUE, SUITE 314
LEESBURG, VA 20176
Loudoun County (703) 723-7171
VAN TRONG HA MD
Dermatology
19415 DEERFIELD AVENUE, SUITE 314
LEESBURG, VA 20176
Loudoun County (703) 723-7171

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 1710001235. It was assigned to this organization in the NPPES registry on March 19, 2007. The provider is doing business as Loudoun Dermatology Associates.

Where is Loudoun Medical Group, PC located?

Loudoun Medical Group, PC is located at 19415 Deerfield Avenue, Suite 314, Leesburg, VA 20176. The listed phone number is (703) 723-7171.

What is Loudoun Medical Group, PC's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

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

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 49D0943892) is associated with this NPI, valid through January 23, 2027. 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 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.