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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Arun Kumar, MD

Diagnostic Radiology Physician in Leesburg, VA · enumerated 2007 · practices at Loudoun Medical Group, PC.

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

National Provider Identifier

1326256678

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Registry record

Entity type Individual (Type 1)
Name Arun Kumar
Credential MD
Sex Male
Practice address Leesburg, VA, 20176
Phone (571) 375-8601
Fax (571) 223-6773
Enumeration date May 18, 2007
Last updated in NPPES Aug 18, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 0101245018 (VA) Secondary
2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 4301513500 (MI) Secondary
2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 036.175933 (IL) Secondary
2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License C132500 (CA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
1326256678 Medicaid VA -

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 is the NPI number for Arun Kumar?
The National Provider Identifier (NPI) for Arun Kumar is 1326256678, a Type 1 (individual) record in the CMS NPPES registry.
Where does Arun Kumar practice?
The practice location on file with NPPES is in Leesburg, VA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-18.