GILLIAN LEIGH MCCUSKER
NPI 1376214049
Social Worker - Clinical in Columbia, MD
About Gillian Leigh Mccusker NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GILLIAN LEIGH MCCUSKER (NPI 1376214049) is an individual clinical provider in Columbia, Maryland, licensed in Maryland (17083) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (2011).
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 and accepts Medicare assignment
Gillian Leigh Mccusker 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 Gillian Mccusker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lynchburg, VA 24504
- Reassigned Medicare billing, Maryland enrollment
- 65 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 21044 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLUMBIA, MD 21044
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 Gillian Mccusker's NPI number?
The NPI number for Gillian Mccusker is 1376214049. It was assigned to this individual provider in the NPPES registry on September 23, 2021.
Where is Gillian Mccusker located?
Gillian Mccusker practices at 5410 Lynx Ln Ste 285, Columbia, MD 21044. The listed phone number is (855) 284-7483.
What is Gillian Mccusker's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Gillian Mccusker enrolled in Medicare?
Yes. Gillian Mccusker 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 Gillian Mccusker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gillian Mccusker reassigns Medicare benefits to Thrive Counseling LLC (Lynchburg, 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 Gillian Mccusker'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 Gillian Mccusker was last updated on September 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Gillian Leigh Mccusker · NPI 1376214049
Clinical provider in Columbia, Maryland. Individual provider, active in the CMS NPPES registry since September 23, 2021.
## Identity
- **NPI:** 1376214049 (Entity type: Individual)
- **Enumerated:** September 23, 2021
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 17083 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 5410 LYNX LN STE 285, Columbia, MD 21044-2483
- **Phone:** (855) 284-7483 · **Fax:** (617) 807-0958
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Thrive Counseling LLC (NPI 1215181300, Lynchburg, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** September 23, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1376214049) · Data from the CMS NPPES public registry.