Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Ellen Katherine Marshall, LCSW

Individual provider Counselor · NPI 1699542837

Dr. Ellen Katherine Marshall, LCSW is a Clinical Social Worker in Lewes, Delaware. Qualified in 2023, 3 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Delaware.

Years since qualifying
3
Licensed in
DE
In the registry since
2023
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

17527 Nassau Commons Blvd Ste 101
Lewes, DE 19958-6283
Phone: (302) 260-9439
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence Q10012683 (DE)
Counselor Taxonomy 101Y00000X · Licence B2-0010498 (DE)

Record details

NPI number1699542837
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedDecember 7, 2023
Last updated in NPPESJuly 20, 2026
Certification dateJuly 20, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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