Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Jo Delahunt, RDH
Dental Hygienist in Leesburg, VA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1295396018
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Registry record
Entity type Individual (Type 1)
Name Mary Jo Delahunt
Credential RDH
Sex Female
Practice address 163 Fort Evans Rd Ne, Leesburg, VA, 20176
Phone (703) 443-2000
Enumeration date Jun 24, 2019
Last updated in NPPES Jun 24, 2019
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
What is the NPI number for Mary Delahunt?
The National Provider Identifier (NPI) for Mary Delahunt is 1295396018, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Delahunt practice?
The practice location on file with NPPES is in Leesburg, VA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Jade Bernard Dental Hygienist · Leesburg, VA NPI 1588762520 Linda Renner Dentist · Leesburg, VA NPI 1518053370 Jennifer Hickman Obstetrics & Gynecology Physician · Leesburg, VA NPI 1467581504 Janine Rethy Pediatrics Physician · Leesburg, VA NPI 1093932618 Stephanie Puloka Family Medicine Physician · Leesburg, VA NPI 1255537023 Malar Family Practice of Loudoun Inc Family Medicine Physician · Leesburg, VA NPI 1922283084 Evanna Burkett Psychiatric/Mental Health Nurse Practitioner · Leesburg, VA NPI 1255504742 Medhine Wijetilleke Pediatrics Physician · Leesburg, VA NPI 1659548873
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-24.