Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Internal Medicine of Loudoun, LLC

Internal Medicine Physician in Lansdowne, VA · enumerated 2007 · authorized official Sandhya Chanda, Director.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1710182241

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Registry record

Entity type Organization (Type 2)

Legal business name Internal Medicine of Loudoun, LLC

Practice address 19455 Deerfield Ave, Suite 306, Lansdowne, VA, 20176

Phone (703) 858-7007

Fax (703) 858-5007

Enumeration date Jun 15, 2007

Last updated in NPPES Aug 28, 2008

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 0101232028 (VA) Primary

Authorized official

Name Sandhya Chanda

Title Director

Phone (703) 858-7007

Other identifiers

Identifier	Type	State	Issuer
1043219710	Medicaid	VA	-
DN1371	Other	-	MEDICARE RAILROAD

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Internal Medicine of Loudoun, LLC?

Internal Medicine of Loudoun, LLC is registered in NPPES as a Internal Medicine Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Providers at this address

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Scott Sirlin Pediatric Gastroenterology Physician · Lansdowne, VA NPI 1174517478 Vas Devan Pulmonary Disease Physician · Leesburg, VA NPI 1619967767 Douglas Rennert Pulmonary Disease Physician · Leesburg, VA NPI 1992796502 Khoa Tran Internal Medicine Physician · Lansdowne, VA NPI 1952381451 Timothy Johnson Orthopaedic Surgery Physician · Lansdowne, VA NPI 1801864343 Jane Nguyen Dermatology Physician · Leesburg, VA NPI 1275585473 Harmeet Singh Specialist · Leesburg, VA NPI 1245271402 Loudoun Ent & Allergy Facial Plastic Surgery Physician · Lansdowne, VA NPI 1013951326

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-28.