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

Marcia K Lis, LCSW

Individual provider Clinical Social Worker · NPI 1639219751

Marcia K Lis, LCSW is a Clinical Social Worker in Wilmington, Delaware. Qualified in 1997, 29 years ago. Practices with Delaware Behavioral Health Inc, a 16-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Delaware.

Years since qualifying
29
Licensed in
DE
In the registry since
2007
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

1601 Concord Pike Suites 92-100
Wilmington, DE 19803-3612
Phone: (302) 409-3434
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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 Q1-0000790 (DE)

Record details

NPI number1639219751
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedFebruary 7, 2007
Last updated in NPPESFebruary 26, 2014

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Delaware Behavioral Health Inc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Wilmington