DIANNE H ANDRUZZI LCSW
NPI 1346513199
Social Worker in Ashburn, VA
About Dianne H Andruzzi Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANNE H ANDRUZZI LCSW (NPI 1346513199) is an individual social worker in Ashburn, Virginia, licensed in Virginia (0904007857) and active in the NPI registry since February 2012. She is enrolled in Medicare PECOS and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses
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
Dianne H Andruzzi 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 Reassignment
Medicare enrollment records show Dianne Andruzzi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ashburn, VA 20147
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
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
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.
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 Dianne Andruzzi's NPI number?
The NPI number for Dianne Andruzzi is 1346513199. It was assigned to this individual provider in the NPPES registry on February 9, 2012.
Where is Dianne Andruzzi located?
Dianne Andruzzi practices at 21393 Maidsville Ct, Ashburn, VA 20147. The listed phone number is (703) 495-3123.
What is Dianne Andruzzi's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Dianne Andruzzi enrolled in Medicare?
Yes. Dianne Andruzzi 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 organization bills Medicare for Dianne Andruzzi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dianne Andruzzi reassigns Medicare benefits to Triangle Counseling Services LLC (Ashburn, VA). The 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 Dianne Andruzzi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dianne Andruzzi accept?
Health plans from Oscar Health list Dianne Andruzzi 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 Dianne Andruzzi was last updated on May 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dianne H Andruzzi, LCSW · NPI 1346513199
Social Worker provider in Ashburn, Virginia. Individual provider, active in the CMS NPPES registry since February 9, 2012.
## Identity
- **NPI:** 1346513199 (Entity type: Individual)
- **Enumerated:** February 9, 2012
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 0904007857 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 21393 MAIDSVILLE CT, Ashburn, VA 20147
- **Phone:** (703) 495-3123
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Triangle Counseling Services LLC (NPI 1295234904, Ashburn, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** May 3, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1346513199) · Data from the CMS NPPES public registry.