Gillian Leigh McCusker
Clinical Social Worker · Columbia, MD
Gillian Leigh McCusker is a clinical social worker with a practice address in Columbia, Maryland, and NPI 1376214049, issued on Sep 23, 2021. Check the license (Maryland 17083, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gillian Leigh McCusker
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 17083 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5410 Lynx LN Ste 285, Columbia, MD 21044
- Phone
- (855) 284-7483
- Enumerated
- Sep 23, 2021
- Record last updated
- Sep 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 807-0958
- Medicare enrollment
- Enrolled (PECOS I20211006001459); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 9,007 in Maryland → Look up another NPI →
Also registered at 5410 Lynx LN Ste 285
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mercy Awokunle, CRNPPsychiatric/Mental Health Nurse Practitioner1043888233
- Stephanie Bowen, LCSW-CClinical Social Worker1851941827
Verify Gillian Leigh McCusker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 17083Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Thrive Counseling LLCColumbia, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gillian Leigh McCusker among 9,007 clinical social worker records in Maryland
Gillian Leigh McCusker is one of 9,007 clinical social worker records with a practice address in Maryland. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 75% of them.
- NPI issued2021 · 75% of these records are older, 20% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2011 · median 2006 among the 1,685 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
346 clinical social worker records list a practice address in Columbia
They are 346 of the 6,690 NPPES records with a practice address in Columbia, and 9,007 clinical social worker records in Maryland.
All 9,007 in Maryland → Every provider in Columbia → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Sarah Blake, LCSW-CColumbia, MD 210441114958915
- Pamela Colbert, LCSWCColumbia, MD 210441740277334
- Jeffrey Crouch, LCSW-CColumbia, MD 210441326080136
- Barbara Dougherty, LCSW-CColumbia, MD 210441548276322
- Phillip Eichmiller, LCSW-CColumbia, MD 210441205860624
- Janine FeslerColumbia, MD 210441083658504
- Ilene Gallner-Toller, LCSW-CColumbia, MD 210441962427963
- Annette Harris, LCSW-CColumbia, MD 210441013942804
Common questions
What is Gillian Leigh McCusker's NPI number?
Gillian Leigh McCusker's National Provider Identifier (NPI) is 1376214049, issued on Sep 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Gillian Leigh McCusker located?
The NPPES record lists a practice address at 5410 Lynx LN Ste 285, Columbia, MD, 21044. Phone: (855) 284-7483. Providers update this record themselves, so call before visiting.
How can I verify Gillian Leigh McCusker's license?
NPPES lists Maryland license number 17083, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.