MARY A STRINGER LCSW
NPI 1083884217
Social Worker - Clinical in Alexandria, VA
About Mary A Stringer Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY A STRINGER LCSW (NPI 1083884217) is an individual clinical provider in Alexandria, Virginia, licensed in Virginia (0904005917) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Annandale, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Mary A Stringer 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 Mary Stringer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 282 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22314 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Stringer's NPI number?
The NPI number for Mary Stringer is 1083884217. It was assigned to this individual provider in the NPPES registry on March 4, 2008.
Where is Mary Stringer located?
Mary Stringer practices at 325 S Washington St, Alexandria, VA 22314. The listed phone number is (703) 683-7220.
What is Mary Stringer's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mary Stringer enrolled in Medicare?
Yes. Mary Stringer 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 Mary Stringer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Stringer reassigns Medicare benefits to Inova Health Care Services (Falls Church, 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 Mary Stringer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Stringer accept?
Health plans from Oscar Health list Mary Stringer 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 Mary Stringer was last updated on August 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mary A Stringer, LCSW · NPI 1083884217
Clinical provider in Alexandria, Virginia. Individual provider, active in the CMS NPPES registry since March 4, 2008.
## Identity
- **NPI:** 1083884217 (Entity type: Individual)
- **Enumerated:** March 4, 2008
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 0904005917 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 S WASHINGTON ST, Alexandria, VA 22314-3627
- **Phone:** (703) 683-7220 · **Fax:** (703) 535-7946
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Inova Health Care Services (NPI 1952320061, Falls Church, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** August 13, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1083884217) · Data from the CMS NPPES public registry.