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STERLING FAMILY PRACTICE
NPI 1457475857
Family Medicine in Sterling, VA

Active since March 19, 2007CLIA 49D0876677 · Microscopy
21135 WHITFIELD PL, SUITE 107, STERLING, VA 20165(703) 421-7000(703) 430-4830 Get Directions Write a Review

NPPES record last updated: August 18, 2023. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Sterling Family Practice NPPES

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

STERLING FAMILY PRACTICE (NPI 1457475857) is a healthcare organization registered as a family medicine in Sterling, Virginia and active in the NPI registry since March 2007. The organization holds a CLIA Microscopy certificate valid through November 23, 2026 and lists Mary Beth Tamasy, Ceo, as its authorized official.

NPPES Registry Identity

NPI1457475857
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameLOUDOUN MEDICAL GROUP, PC
Location Address21135 WHITFIELD PL, SUITE 107Sterling, VA 20165-7283
Mailing AddressPo Box 17334Baltimore, MD 21297-1334 · (703) 443-6717 · Fax (703) 443-8643
Phone(703) 421-7000
Fax(703) 430-4830
Organization SubpartYes
Authorized OfficialMary Beth TamasyCeo · (703) 737-6010
Enumeration DateMarch 19, 2007
Last NPPES UpdateAugust 18, 2023
NPPES CertifiedAugust 18, 2023
✔ NPI 1457475857 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
21135 WHITFIELD PL, Sterling, VA 20165
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Other Names 1

Doing Business AsSterling Family Practice

Other Identifiers 1

OtherCG8678VA · Rr Medicare Pin

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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) 49D0876677

Sterling Family Practice · Sterling, VA
Active · expires Nov 23, 2026
CLIA Number49D0876677
Laboratory TypePhysician Office
Certificate Effective DateNovember 24, 2024
Certificate Expiration DateNovember 23, 2026
Laboratory DirectorSarah Fletcher MD
Laboratory Phone(703) 421-7000
Laboratory LocationSterling Family Practice21135 Whitfield Place - Suite 107, Sterling, VA 20165
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 5

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

KATHLEEN MARY DICKMAN CFNP
Nurse Practitioner (Family)
21135 WHITFIELD PL, SUITE 107
STERLING, VA 20165
Loudoun County (703) 421-7000
RYAN CRENSHAW MD PC
Internal Medicine (Gastroenterology)
21135 WHITFIELD PL, SUITE 102
STERLING, VA 20165
Loudoun County (703) 444-4799
RYAN CRENSHAW MD PC
Internal Medicine (Gastroenterology)
21135 WHITFIELD PL, SUITE 102
STERLING, VA 20165
Loudoun County (703) 444-4799
FOR WOMEN OB-GYN ASSOCIATES
Obstetrics & Gynecology
21135 WHITFIELD PL, SUITE 101
STERLING, VA 20165
Loudoun County (703) 430-7779
STERLING OSTEOPATHIC AND WELLNESS CENTER
Family Medicine
21135 WHITFIELD PL, SUITE 107
STERLING, VA 20165
Loudoun County (703) 421-7000

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 1457475857. It was assigned to this organization in the NPPES registry on March 19, 2007. The provider is doing business as Sterling Family Practice.

Where is Loudoun Medical Group, PC located?

Loudoun Medical Group, PC is located at 21135 Whitfield Pl Suite 107, Sterling, VA 20165. The listed phone number is (703) 421-7000.

What is Loudoun Medical Group, PC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

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

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 49D0876677) is associated with this NPI, valid through November 23, 2026. 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 August 18, 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.