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

Loudoun Medical Group, PC

Organization Family Medicine Physician · NPI 1003335886

Loudoun Medical Group, PC is a Family Medicine Physician in Sterling, Virginia. Registered with an NPI since 2017.

In the registry since
2017
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

46440 Benedict Dr Ste 107
Sterling, VA 20164-6602
Phone: (571) 707-2079
Fax: (571) 291-9196
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1003335886
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationLoudoun Medical Group, PC
Authorized official Mary Beth Tamasy — Ceo · (703) 737-6010
Other names Valerie Williamson, Md
NPI enumeratedSeptember 13, 2017
Last updated in NPPESAugust 17, 2023
Certification dateAugust 17, 2023
Mailing address224-D Cornwall Street, Nw, Suite 403, Leesburg, VA 20176-2704

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