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

Dr. William Joseph Demeo, PHD

Individual provider Clinical Social Worker · NPI 1235178807

Dr. William Joseph Demeo, PHD is a Clinical Social Worker in Washington, District of Columbia. Qualified in 1973, 53 years ago. Accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
53
Licensed in
DC
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

5225 Connecticut Ave NW Ste 311
Washington, DC 20015-1845
Phone: (202) 363-2550
Fax: (202) 363-2550
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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 LC300040 (DC)

Record details

NPI number1235178807
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1973 (53 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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