DIANE OSBORNE LCSW
NPI 1013916402
Social Worker in Fairfax, VA
About Diane Osborne Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANE OSBORNE LCSW (NPI 1013916402) is an individual social worker in Fairfax, Virginia, licensed in Virginia (0904003453) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Diane Osborne Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Diane Osborne reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia enrollment
- 17 clinicians in this Medicare group
Fairfax, VA 22030
- Reassigned Medicare billing, District of Columbia enrollment
- 19 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22031
FAIRFAX, VA 22031
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Diane Osborne's NPI number?
The NPI number for Diane Osborne is 1013916402. It was assigned to this individual provider in the NPPES registry on July 18, 2005.
Where is Diane Osborne located?
Diane Osborne practices at 8500 Executive Park Ave Suite 200, Fairfax, VA 22031. The listed phone number is (703) 698-5220.
What is Diane Osborne's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Diane Osborne enrolled in Medicare?
Yes. Diane Osborne is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Diane Osborne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Osborne reassigns Medicare benefits to 2 organizations: Northern Virginia Psychiatric Group (Fairfax, VA) and Neuropsych Wellness Center, PC (Fairfax, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Diane Osborne's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diane Osborne accept?
Health plans from Oscar Health list Diane Osborne as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Diane Osborne was last updated on November 10, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Diane Osborne, LCSW · NPI 1013916402
Social Worker provider in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since July 18, 2005.
## Identity
- **NPI:** 1013916402 (Entity type: Individual)
- **Enumerated:** July 18, 2005
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 0904003453 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 8500 EXECUTIVE PARK AVE, SUITE 200, Fairfax, VA 22031-2225
- **Phone:** (703) 698-5220 · **Fax:** (703) 573-2351
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Northern Virginia Psychiatric Group (NPI 1396786141, Fairfax, VA); Neuropsych Wellness Center, PC (NPI 1588977748, Fairfax, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1983
## Record status
- **NPPES last updated:** November 10, 2011
- **Other identifiers:** Other 0063 (DC); Medicare PIN 004432N56 (DC); Other 7286105; and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1013916402) · Data from the CMS NPPES public registry.