Loudoun Medical Group, PC
NPI 1194448753 · Gastroenterology Physician · Sterling, VA
Loudoun Medical Group, PC is a Gastroenterology Physician organization in Sterling, VA (NPI 1194448753).
Provider details
- NPI number
- 1194448753
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Loudoun Medical Group, PC
- Organization subpart
- Yes
- Authorized official
- Mary Tamasy, Ceo(703) 737-6010
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
Mailing address
Other names (DBA / former)
- Doing business as
- Loudoun Gastroenterology
Registry dates
- Enumerated
- 2022-09-20
- Last updated
- 2022-09-20
- Certified
- 2022-09-08
Frequently asked questions
- What is Loudoun Medical Group, PC's NPI number?
- Loudoun Medical Group, PC's National Provider Identifier (NPI) is 1194448753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Loudoun Medical Group, PC?
- Loudoun Medical Group, PC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Loudoun Medical Group, PC located?
- Loudoun Medical Group, PC's practice location on file with NPPES is 46169 Westlake Drive, Suite 200, Sterling, VA 20165-5875.
- What is Loudoun Medical Group, PC's phone number?
- The practice phone number listed in the NPPES registry for Loudoun Medical Group, PC is (703) 378-1734.
- Who is the authorized official for Loudoun Medical Group, PC?
- The authorized official listed on Loudoun Medical Group, PC's NPPES record is Mary Tamasy, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Loudoun Medical Group, PC's NPI active?
- Yes — Loudoun Medical Group, PC's NPI (1194448753) is active in the NPPES registry as of the last update on 2022-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.