Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Loudoun Medical Group, PC

Organization Internal Medicine Physician · NPI 1558803684

Loudoun Medical Group, PC is an Internal Medicine Physician in Dulles, Virginia. Registered with an NPI since 2016.

In the registry since
2016
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

24430 Stone Springs Blvd Ste 100
Dulles, VA 20166-2269
Phone: (703) 404-5900
Fax: (703) 421-1099
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1558803684
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationLoudoun Medical Group, PC
Authorized official Mary Beth Tamasy — Ceo · (703) 737-6010
Other names The Iyer Clinic; The Iyer Clinic
NPI enumeratedNovember 7, 2016
Last updated in NPPESApril 24, 2023
Certification dateApril 24, 2023
Mailing address224-D Cornwall Street, Nw, Suite 403, Suite 403, Leesburg, VA 20176-2704

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