Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Diane Osborne, LCSW
Social Worker in Fairfax, VA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1013916402
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Registry record
Entity type Individual (Type 1)
Name Diane Osborne
Credential LCSW
Sex Female
Practice address 8500 Executive Park Ave, Suite 200, Fairfax, VA, 22031
Phone (703) 698-5220
Fax (703) 573-2351
Enumeration date Jul 18, 2005
Last updated in NPPES Nov 10, 2011
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 0904003453 (VA) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2160262 | Other | - | MAMSI |
| 513449 | Other | VA | NCPPO |
| 0063 | Other | DC | CAREFIRST DC |
| 7286105 | Other | - | AETNA |
| 119079 | Other | VA | ANTHEM |
| 231593-000 | Other | VA | MAGELLAN |
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 Diane Osborne?
The National Provider Identifier (NPI) for Diane Osborne is 1013916402, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diane Osborne practice?
The practice location on file with NPPES is in Fairfax, VA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Richard Baither Psychologist · Fairfax, VA NPI 1346249026 Tara Brown Psychologist · Fairfax, VA NPI 1982603692 Errol Segall Psychiatry Physician · Fairfax, VA NPI 1407855190 Christine Lederman Social Worker · Fairfax, VA NPI 1891794590 Alexandra Roth Social Worker · Fairfax, VA NPI 1063411528 Robert Castino Psychologist · Fairfax, VA NPI 1659370112 Renee Payne Psychiatry Physician · Fairfax, VA NPI 1871592469 Elizabeth Musil Clinical Social Worker · Fairfax, VA NPI 1184619322
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-10.