Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Kathleen G Dillon
Dentist in Reston, VA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720158975
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Registry record
Entity type Individual (Type 1)
Name Dr. Kathleen G Dillon
Sex Female
Practice address 11503 Sunrise Valley Dr, Reston, VA, 20191
Phone (703) 860-3200
Fax (703) 391-8828
Enumeration date Nov 8, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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.
Frequently asked questions
Where does Kathleen Dillon practice?
The practice location on file with NPPES is in Reston, VA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Kathleen Dillon?
The National Provider Identifier (NPI) for Kathleen Dillon is 1720158975, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Elaine Barlan General Practice Dentistry · Reston, VA NPI 1801856182 Joseph Rusz General Practice Dentistry · Reston, VA NPI 1043273394 Matthew Gramkee Periodontics · Reston, VA NPI 1487679338 Wayne Dollard Endodontics · Reston, VA NPI 1972697043 Mark Perez Dentist · Reston, VA NPI 1922181742 Zachary Casagrande Dentist · Reston, VA NPI 1255403283 Haress Rahim Dentist · Reston, VA NPI 1245302272 Robert Averne Dentist · Reston, VA NPI 1932272671
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.