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

Individual provider Clinical Social Worker · NPI 1063929271

William Hall Phelps, LCSW is a Clinical Social Worker in Denver, Colorado. Qualified in 2013, 13 years ago. Practices with Mental Health Center of Denver, a 86-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
13
Licensed in
CO
In the registry since
2018
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

4141 E Dickenson Pl
Denver, CO 80222-6012
Phone: (303) 504-6500
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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 CSW.09924689 (CO)

Record details

NPI number1063929271
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJanuary 9, 2018
Last updated in NPPESJanuary 9, 2018

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Mental Health Center Of Denver — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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