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

Marc V Felizzi, LCSW, PHD

Individual provider Clinical Social Worker · NPI 1497852503

Marc V Felizzi, LCSW, PHD is a Clinical Social Worker in Wilmington, Delaware. Qualified in 2011, 15 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
15
Licensed in
DE
In the registry since
2006
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1601 Milltown Rd Ste 22
Wilmington, DE 19808-4084
Phone: (302) 897-4942
Fax: (302) 998-7670
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence Q10000490 (DE)

Record details

NPI number1497852503
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , PHD
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJune 20, 2016

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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