THE IYER CLINIC
NPI 1558803684
Internal Medicine in Dulles, VA

Active since November 07, 2016
24430 STONE SPRINGS BLVD SUITE 100, DULLES, VA 20166(703) 404-5900(703) 421-1099 Get Directions Write a Review

NPPES record last updated: April 24, 2023. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 20, 2022, Nov 7, 2016 (2 updates tracked since 2016).

About The Iyer Clinic NPPES

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

THE IYER CLINIC (NPI 1558803684) is a healthcare organization registered as an internal medicine in Dulles, Virginia and active in the NPI registry since November 2016. The organization lists Mary Beth Tamasy, Ceo, as its authorized official.

NPPES Registry Identity

NPI1558803684
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameLOUDOUN MEDICAL GROUP, PC
Location Address24430 STONE SPRINGS BLVD SUITE 100Dulles, VA 20166-2269
Mailing Address224-d Cornwall Street, Nw, Suite 403, Suite 403Leesburg, VA 20176-2704 · (703) 737-6010 · Fax (703) 443-8643
Fax(703) 421-1099
Organization SubpartYes
Authorized OfficialMary Beth TamasyCeo · (703) 737-6010
Enumeration DateNovember 7, 2016
Last NPPES UpdateApril 24, 20232 updates tracked since enumeration
NPPES CertifiedApril 24, 2023
NPI 1558803684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
24430 STONE SPRINGS BLVD SUITE 100, Dulles, VA 20166

Other Names 1

Doing Business AsThe Iyer Clinic

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 49D2309022

The Iyer Clinic · Dulles, VA
Expired · Aug 7, 2026
CLIA Number49D2309022
Laboratory TypePhysician Office
Certificate Effective DateAugust 8, 2024
Certificate Expiration DateAugust 7, 2026
Laboratory DirectorRavi R. Iyer
Laboratory Phone(703) 404-5900
Laboratory LocationThe Iyer Clinic24430 Stone Springs Blvd, Suite 100B, Dulles, VA 20166
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only 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.

Psychiatry & Neurology (Neurology)
24430 STONE SPRINGS BLVD SUITE 100
DULLES, VA 20166
Psychiatry & Neurology (Neurology)
24430 STONE SPRINGS BLVD SUITE 100
DULLES, VA 20166

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 1558803684. It was assigned to this organization in the NPPES registry on November 7, 2016. The provider is doing business as The Iyer Clinic.

Where is Loudoun Medical Group, PC located?

Loudoun Medical Group, PC is located at 24430 Stone Springs Blvd Suite 100, Dulles, VA 20166. The listed phone number is (703) 404-5900.

What is Loudoun Medical Group, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

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.