DR. WILLIAM JOSEPH DEMEO PH.D.
NPI 1235178807
Social Worker - Clinical in Washington, DC
About Dr. William Joseph Demeo Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM JOSEPH DEMEO PH.D. (NPI 1235178807) is an individual clinical provider in Washington, District Of Columbia, licensed in District Of Columbia (LC300040) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1973).
NPPES Registry Identity
Specialties & Licenses
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. William Joseph Demeo Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20015
WASHINGTON, DC 20015
WASHINGTON, DC 20015
WASHINGTON, DC 20015
WASHINGTON, DC 20015
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Demeo's NPI number?
The NPI number for William Demeo is 1235178807. It was assigned to this individual provider in the NPPES registry on June 6, 2006.
Where is William Demeo located?
William Demeo practices at 5225 Connecticut Ave NW Suite 311, Washington, DC 20015. The listed phone number is (202) 363-2550.
What is William Demeo's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is William Demeo enrolled in Medicare?
Yes. William Demeo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for William Demeo was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
