Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sonya D Mellerson, PHD, NCSP

School Psychologist in Falls Church, VA · enumerated 2013.

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

National Provider Identifier

1902237837

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Registry record

Entity type Individual (Type 1)

Name Dr. Sonya D Mellerson

Credential PHD, NCSP

Sex Female

Practice address 8115 Gatehouse Rd, Falls Church, VA, 22042

Phone (571) 423-4102

Enumeration date Dec 3, 2013

Last updated in NPPES Oct 8, 2025

Taxonomy & licenses

103TS0200X School Psychologist Behavioral Health & Social Service Providers · License 70697 (TX) Secondary

103TS0200X School Psychologist Behavioral Health & Social Service Providers · License PPS-0604541 (VA) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

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

Where does Sonya Mellerson practice?

The practice location on file with NPPES is in Falls Church, VA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Sonya Mellerson?

The National Provider Identifier (NPI) for Sonya Mellerson is 1902237837, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-08.