OrganizationActive
Loudoun Medical Group, PC
NPI 1649948746 · Pulmonary Disease Physician · Dulles, VA
Provider details
- NPI number
- 1649948746
- Entity type
- Organization
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Loudoun Medical Group, PC
- Organization subpart
- Yes
- Authorized official
- Mary Beth Tamasy, Ceo(703) 737-6010
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
24430 Stone Springs Blvd Unit 100
Dulles, VA 20166-2269
Phone: (703) 723-7504
Fax: (703) 723-7550
Street-level locationGet directions
Mailing address
224d Cornwall St Nw Ste 403
Leesburg, VA 20176-2704
Other names (DBA / former)
- Doing business as
- Loudoun Pulmonary and Sleep Medicine Stone Springs
- Doing business as
- Loudoun Pulmonary and Sleep Medicine Stone Springs
Registry dates
- Enumerated
- 2021-09-02
- Last updated
- 2023-08-18
- Certified
- 2023-08-18
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.