DR. KATHLEEN KEARNEY MAHAR PH. D., LCSW
NPI 1447430194
Social Worker - Clinical in Woodbridge, VA
About Dr. Kathleen Kearney Mahar Ph. D., Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHLEEN KEARNEY MAHAR PH. D., LCSW (NPI 1447430194) is an individual clinical provider in Woodbridge, Virginia, licensed in Virginia (0904005229) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Kathleen Kearney Mahar Ph. D., Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Kathleen Mahar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glen Burnie, MD 21061
- Reassigned Medicare billing, District of Columbia enrollment
- 6 clinicians in this Medicare group
Glen Burnie, MD 21061
- Reassigned Medicare billing, District of Columbia enrollment
- 26 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22192 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Kathleen Mahar's NPI number?
The NPI number for Kathleen Mahar is 1447430194. It was assigned to this individual provider in the NPPES registry on November 10, 2007.
Where is Kathleen Mahar located?
Kathleen Mahar practices at 3251 Chancellor Dr, Woodbridge, VA 22192. The listed phone number is (703) 490-6459.
What is Kathleen Mahar's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Kathleen Mahar enrolled in Medicare?
Yes. Kathleen Mahar is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kathleen Mahar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Mahar reassigns Medicare benefits to 2 organizations: Greater Baltimore Counseling Center, LLC (Glen Burnie, MD) and Oasis The Mental Health Center, LLC (Glen Burnie, MD). 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 Kathleen Mahar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Kathleen Mahar was last updated on June 19, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Kathleen Kearney Mahar, PH. D., LCSW · NPI 1447430194
Clinical provider in Woodbridge, Virginia. Individual provider, active in the CMS NPPES registry since November 10, 2007.
## Identity
- **NPI:** 1447430194 (Entity type: Individual)
- **Enumerated:** November 10, 2007
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 0904005229 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3251 CHANCELLOR DR, Woodbridge, VA 22192-3345
- **Phone:** (703) 490-6459
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Greater Baltimore Counseling Center, LLC (NPI 1376616938, Glen Burnie, MD); Oasis The Mental Health Center, LLC (NPI 1174606057, Glen Burnie, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 19, 2009
---
Source: [NPI Profile](https://npiprofile.com/npi/1447430194) · Data from the CMS NPPES public registry.