Ellen Katherine Marshall, LCSW
Clinical Social Worker · Lewes, DE
Ellen Katherine Marshall, LCSW is a clinical social worker with a practice address in Lewes, Delaware, and NPI 1699542837, issued on Dec 7, 2023. Check the license (Delaware Q10012683, as entered in NPPES) with the Delaware board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ellen Katherine Marshall
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License numbers
- Q10012683 DE
B2-0010498 DE
Self-reported in NPPES; status is on the state search - Practice location
- 17527 Nassau Commons Blvd Ste 101, Lewes, DE 19958
- Phone
- (302) 260-9439
- Enumerated
- Dec 7, 2023
- Record last updated
- Jul 20, 2026
- Medicare enrollment
- Enrolled (PECOS I20250408000221); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 935 in Delaware → Look up another NPI →
Also registered at 17527 Nassau Commons Blvd Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cleveland Ray, LPCMHProfessional Counselor1548425663
Verify Ellen Katherine Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license Q10012683Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ellen Katherine Marshall among 935 clinical social worker records in Delaware
Ellen Katherine Marshall, LCSW is one of 935 clinical social worker records with a practice address in Delaware. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2023, is newer than 87% of them.
- NPI issued2023 · 87% of these records are older, 8% newer
- In a Medicare fileNo · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated2023 · median 2006 among the 253 with a school on file
- Record last updated2026 · 57% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 clinical social worker records list a practice address in Lewes
They are 43 of the 1,696 NPPES records with a practice address in Lewes, and 935 clinical social worker records in Delaware. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 935 in Delaware → Every provider in Lewes → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Toni Ballas-Rowe, LCSWLewes, DE 199581124027537
- Kathleen Coletti, DSW, LCSWLewes, DE 199581487703773
- Amy Goodhue, LCSWLewes, DE 199581942342522
- Kathryn Harris, LCSWLewes, DE 199581891702346
- Dawn Hood, LCSWLewes, DE 199581144393000
- Nancy Lee, L.C.S.W.Lewes, DE 199581033296348
- Harold Lipton, MSWLewes, DE 199581700935426
- Kathleen Madden, LCSWLewes, DE 199581871718320
Common questions
What is Ellen Katherine Marshall, LCSW's NPI number?
Ellen Katherine Marshall, LCSW's National Provider Identifier (NPI) is 1699542837, issued on Dec 7, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Katherine Marshall, LCSW located?
The NPPES record lists a practice address at 17527 Nassau Commons Blvd Ste 101, Lewes, DE, 19958. Phone: (302) 260-9439. Providers update this record themselves, so call before visiting.
How can I verify Ellen Katherine Marshall, LCSW's license?
NPPES lists Delaware license number Q10012683, as entered by the provider. Search the Delaware 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. 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.