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 provides Family Medicine Physician services 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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